561
20
11858
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Articles
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Thermal analysis of a radiative nanofluid over a stretching/shrinking cylinder with viscous dissipation
Subject
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Convective condition; Nanofluid; Stretching/Shrinking Cylinder; Thermal radiation; Viscous dissipation
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This study explores the impact of thermal radiation and viscous dissipation on the stagnation point flow of a copperwater nanofluid across a convective stretching/shrinking cylinder. The copper suspension in the base fluid water enables the fluid to conduct more heat by increasing its thermal conductivity. The mathematical model that governs the flow of Cu-H2O nanofluid is formulated by the system of partial differential equations (PDEs) which are then subjected to transformation by introducing suitable similarity variables so the system is transformed to the Ordinary Differential Equations (ODEs). These equations have been solved numerically via the bvp4c package in MATLAB. The outcomes have been signified graphically in the form of heat transfer rate, temperature, skin friction and velocity which are dependent on the concerning flow parameters. For each of these result, dual solutions have been produced which are conditional on the shrinking of cylinder. These results declare that the skin friction increases for the shrinking cylinder and decreases for the stretching cylinder whereas an opposite trend is seen for the rate of heat transfer. Similarly, heat transfer is found to be decreasing for the increase in both Biot and Eckert number. Meanwhile, the existence of greater values of curvature parameter causes to enhance both first and second solution of velocity as well as the temperature is augmenting with the increase in Eckert number and volume fraction of nano particles. 2022 Elsevier B.V.
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Alqahtani A.M.; Riaz Khan M.; Akkurt N.; Puneeth V.; Alhowaity A.; Hamam H.
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Chemical Physics Letters, Vol-808
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Elsevier B.V.
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2022-01-01
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<a href="https://doi.org/10.1016/j.cplett.2022.140133" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.cplett.2022.140133</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85140485626&doi=10.1016%2Fj.cplett.2022.140133&partnerID=40&md5=5eac979d0b7aabb24e4f41ebcb3954f9" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85140485626&doi=10.1016%2fj.cplett.2022.140133&partnerID=40&md5=5eac979d0b7aabb24e4f41ebcb3954f9</a>
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ISSN: 92614; CODEN: CHPLB
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English
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Article
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Alqahtani A.M., Department of Mathematical Sciences, College of Science, Princess Nourah bint Abdulrahman University, P. O. Box 84428, Riyadh, 11671, Saudi Arabia; Riaz Khan M., Department of Mathematics, Quaid-i-Azam University, 45320, Islamabad, 44000, Pakistan; Akkurt N., Munzur University, Department of Mechanical Engineering 62000, Tunceli, Turkey; Puneeth V., Department of Computational Sciences, CHRIST (Deemed to be University), Ghaziabad, 201003, India; Alhowaity A., Department of Mathematics, College of Science and Arts at Alkamil, University of Jeddah, Jeddah, Saudi Arabia; Hamam H., Mathematics Department, Umm Al-Qura University, Makkah, Saudi Arabia
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Articles
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Faculty Publications -Articles
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Title
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Thermal analysis of nanofluid flow containing gyrotactic microorganisms in bioconvection and second-order slip with convective condition
Subject
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Bioconvection; MHD; Microorganisms; Nanofluid; Nonlinear radiation; Second-order slip
Description
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Bioconvection in magneto-nanoliquid embedded with gyrotactic microorganisms across an elongated sheet with velocity slip of second order is addressed. Nonlinear thermal radiation and chemical reaction aspects are retained in energy and concentration equations. Numerical simulations for the modeled problem are proposed via RungeKuttaFehlberg-based shooting technique. Special attention is given to the impact of involved parameters on the profiles of motile microorganisms, nanoparticle volume fraction, temperature and velocity. Our simulations figured out that assisting flow generates more heat transfer than the opposing flow situation. The motile microorganisms boundary layer decayed for higher bioconvection Peclet and bioconvection Lewis numbers. 2018, Akadiai Kiad Budapest, Hungary.
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Sampath Kumar P.B.; Gireesha B.J.; Mahanthesh B.; Chamkha A.J.
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Journal of Thermal Analysis and Calorimetry, Vol-136, No. 5, pp. 1947-1957.
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Springer Netherlands
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2019-01-01
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<a href="https://doi.org/10.1007/s10973-018-7860-0" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s10973-018-7860-0</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85056108999&doi=10.1007%2Fs10973-018-7860-0&partnerID=40&md5=fe8941793087142d2a3ec97d25977995" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85056108999&doi=10.1007%2fs10973-018-7860-0&partnerID=40&md5=fe8941793087142d2a3ec97d25977995</a>
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ISSN: 13886150; CODEN: JTACF
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English
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Sampath Kumar P.B., Department of Studies and Research in Mathematics, Kuvempu University, Shankaraghatta, Shimoga, 577451, Karnataka, India; Gireesha B.J., Department of Studies and Research in Mathematics, Kuvempu University, Shankaraghatta, Shimoga, 577451, Karnataka, India; Mahanthesh B., Department of Studies and Research in Mathematics, Kuvempu University, Shankaraghatta, Shimoga, 577451, Karnataka, India, Department of Mathematics, Christ University, Bengaluru, 560029, Karnataka, India, Mechanical Engineering Department, Prince Sultan Endowment for Energy and Environment, Prince Mohammad Bin Fahd University, Al-Khobar, 31952, Saudi Arabia; Chamkha A.J., Mechanical Engineering Department, Prince Sultan Endowment for Energy and Environment, Prince Mohammad Bin Fahd University, Al-Khobar, 31952, Saudi Arabia, RAK Research and Innovation Center, American University, Ras Al Khaimah, United Arab Emirates
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Articles
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Thermal and entropy generation of non-Newtonian magneto-Carreau fluid flow in microchannel
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Bejan number; Carreau fluid; Entropy generation; Magnetic field; Magnetic field; Microchannel
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The heat flow in microchannels can be established in numerous applications such as micro air vehicles, mechanicalelectromechanical systems, cooling of electronic devices and micro heat exchanger systems. Heat flow optimization deliberates the function of entropy generation minimization (EGM) in engineering applications. Hence, this paper investigates the heat transport of non-Newtonian magneto-Carreau fluid in a microchannel with EGM. Mathematical modeling incorporates the Carreau fluid model. Further, viscous heating, Joule heating and convective heating aspects are also analyzed. The physical features of entropy production in the flow of non-Newtonian Carreau fluid in a microchannel are the major focus of this model. Dimensionless variables are executed for the simplicity of basic equations. The subsequent system is treated by using finite element method. Behaviors of effective parameters on velocity, Bejan number, entropy generation rate and temperature are interpreted. It is established that EGM is occurred for larger values of Weissenberg number. The Carreau fluid exponent is positively related to Bejan number, whereas it is negatively related to EG, temperature and velocity fields. 2020, Akadiai Kiad Budapest, Hungary.
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Shehzad S.A.; Madhu M.; Shashikumar N.S.; Gireesha B.J.; Mahanthesh B.
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Journal of Thermal Analysis and Calorimetry, Vol-143, No. 3, pp. 2717-2727.
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Springer Science and Business Media B.V.
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2021-01-01
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<a href="https://doi.org/10.1007/s10973-020-09706-8" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s10973-020-09706-8</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85083973075&doi=10.1007%2Fs10973-020-09706-8&partnerID=40&md5=35290336596b6a2a49076424a2e1aad0" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85083973075&doi=10.1007%2fs10973-020-09706-8&partnerID=40&md5=35290336596b6a2a49076424a2e1aad0</a>
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English
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Shehzad S.A., Department of Mathematics, COMSATS University Islamabad, Sahiwal, 57000, Pakistan; Madhu M., Department of Mathematics, Kuvempu University, Shimoga, India; Shashikumar N.S., Department of Mathematics, Malnad College of Engineering, Hassan, 573202, India; Gireesha B.J., Department of Mathematics, Kuvempu University, Shimoga, India; Mahanthesh B., Department of Mathematics, CHRIST (Deemed to be University), Bangalore, 560029, India
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Articles
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Thermal and solutal stratified Heimanz flow of AA7072-deionized water over a wedge in the presence of bioconvection
Subject
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Bioconvection; Buongiornos model; Heimanz flow; modified differential transform method; thermal stratification; wedge
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The bioconvective Heimanz flow of nanofluid across a wedge with thermal stratification is analyzed in this article. The wedges are often seen in glider aircraft, rocket climbing frames, etc. The nanofluid considered in this study is composed of aluminum alloys of AA7072 and deionized water. The AA7072 alloys are specially manufactured materials composed of Aluminum and Zinc in the ratio of (Formula presented.) along with metals like silicon, ferrous, and copper so that they possess enhanced heat transfer features. The mathematical model is formed using the modified Buongiornos model that includes the discussions related to slip mechanisms and volumetric analysis in terms of the weight of the nanoparticle. The model is in the form of partial differential equations and is later converted to ordinary differential equations with the assistance of similarity transformation. This set of equations is solved by the Differential Transformation Method (DTM) and the outcomes are discussed through graphs.,. 2024 Taylor & Francis Group, LLC.
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Li S.; Puneeth V.; Al-Yarimi F.A.M.; Manjunatha S.; Anwar M.S.; Chamkha A.J.
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Numerical Heat Transfer, Part B: Fundamentals
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Taylor and Francis Ltd.
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2024-01-01
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<a href="https://doi.org/10.1080/10407790.2024.2319337" target="_blank" rel="noreferrer noopener">https://doi.org/10.1080/10407790.2024.2319337</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85187165022&doi=10.1080%2F10407790.2024.2319337&partnerID=40&md5=c344146811db90af42d2a7be7cfba3a0" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85187165022&doi=10.1080%2f10407790.2024.2319337&partnerID=40&md5=c344146811db90af42d2a7be7cfba3a0</a>
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ISSN: 10407790; CODEN: NHBFE
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English
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Article
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Li S., School of Computer Science and Technology, Shandong Technology and Business University, Yantai, China; Puneeth V., Centre for Mathematical Needs, Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, India; Al-Yarimi F.A.M., Department of Computer Science, King Khalid University, Abha, Saudi Arabia; Manjunatha S., Department of Sciences and Humanities, CHRIST (Deemed to be University), Bangalore, India; Anwar M.S., Department of Mathematics, University of Jhang, Jhang, Pakistan; Chamkha A.J., Faculty of Engineering, Kuwait College of Engineering, Doha, Kuwait
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Title
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Conference Papers
Conference Paper
Faculty Publications- Conference Papers
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Thermal Barrier Coating Development on Automobile Piston Material (Al-Si alloy), Numerical Analysis and Validation
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Atmospheric Plasma Spray; Material characterization; Numerical analysis; Thermal barrier coatings; Yttria Stabilized Zirconia
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This work is focused on the thermal barrier coating (TBC) development on aluminium-silicon (Al-Si) alloy casting materials, widely used as automobile components (cylinder blocks, pistons etc.). TBCs enable enhanced combustion within the chambers of diesel engines resulting in improved performance and components life. Uniform coating thickness development on complex contours of automobile pistons is a challenging task worldwide which results in varying thermal barrier characteristics across the non-uniform thickness. In consistent (in thickness) coatings are most likely to lead to uneven thermal barrier effects across the TBC thicknesses which directly affect the performance and the lubrication system of the engine. This warrants the development of stable and consistently thick coatings for ideal performance of the Low Heat rejection (LHR) engine. The present research work involved building different thicknesses (100, 125 and 150?m) of commercial 6-8%Yttria stabilized zirconia (YSZ) TBCs on 50? to 75? thick nickel aluminide (NiAl) bond coat. The influence of thickness on thermal barrier characteristics via experimentation and numerical analysis has been studied. Flat plates machined from automobile pistons were used as substrates. The coatings were characterized for thermal barrier effects for hot ceramic surface face temperatures up to 550C (by using oxy-acetylene flame to heat up the TBC surface), structural phase analysis by X-ray Diffraction (XRD) and microstructure analysis in metallographic cross section by employing Scanning Electron Microscope (SEM). An analytical investigation also was carried out to determine the approximate temperature at each interface. A code was developed to calculate the temperature drops across the coated plate and the net heat available at the coated surface using MATLAB. This is important considering the effects, small changes in temperatures will bring on the creep life on the metal. 2019 Elsevier Ltd.
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Reghu V.R.; Mathew N.; Tilleti P.; Shankar V.; Ramaswamy P.
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Materials Today: Proceedings, Vol-22, pp. 1274-1284.
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Elsevier Ltd
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2019-01-01
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<a href="https://doi.org/10.1016/j.matpr.2020.01.420" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.matpr.2020.01.420</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85085585753&doi=10.1016%2Fj.matpr.2020.01.420&partnerID=40&md5=8dad543b023ae4da25c18fd0ab7d50ce" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85085585753&doi=10.1016%2fj.matpr.2020.01.420&partnerID=40&md5=8dad543b023ae4da25c18fd0ab7d50ce</a>
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ISSN: 22147853
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Online
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English
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Conference paper
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Reghu V.R., Department of Mechanical and Automobile Engineering, CHRIST (Deemed to Be University), Bangalore, 566074, India; Mathew N., Research Scholar, IIT Mandi, 175005, Himachal Pradesh, India; Tilleti P., Department of Mechanical and Automobile Engineering, CHRIST (Deemed to Be University), Bangalore, 566074, India; Shankar V., Department of Mechanical and Automobile Engineering, CHRIST (Deemed to Be University), Bangalore, 566074, India; Ramaswamy P., Department of Mechanical and Automobile Engineering, CHRIST (Deemed to Be University), Bangalore, 566074, India
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Articles
Article
Faculty Publications -Articles
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Thermal behavior of PC-ABS based graphene filled polymer nanocomposite synthesized by FDM process
Subject
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Differential scanning calorimetry; Electron microscopy; Graphene; Nanocomposite
Description
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Property enhancement of polymers could be achieved through blending of two or more polymers and via addition of filler materials to meet the application requirements. In the present investigation Polycarbonate (PC) and Acrylonitrile Butadiene Styrene (ABS), the two polymers were blended together and Graphene platelets as nanofiller was added in the ratio of 0.2, 0.4, 0.6 and 0.8 wt% respectively. Polymer blend and graphene platelets were mixed at appropriate temperature and extruded out in the form of filament of 1.75 mm diameter. Filament was used as a feed material for Fused Deposition Modelling (FDM) to develop the test samples. The nanocomposites developed using FDM were subjected to differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA) to study the effect of graphene platelets. Addition of graphene platelets resulted in significant increase in Young's modulus with highest value of 4.038 GPa obtained for nanocomposite with 0.8% graphene content. Thermal analysis showed that addition of graphene platelets increases the glass transition temperature and reduces the mass with increase in temperature. 2019
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Tambrallimath V.; Keshavamurthy R.; D S.; Koppad P.G.; Kumar G.S.P.
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Composites Communications, Vol-15, pp. 129-134.
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Elsevier Ltd
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2019-01-01
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<a href="https://doi.org/10.1016/j.coco.2019.07.009" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.coco.2019.07.009</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85069806781&doi=10.1016%2Fj.coco.2019.07.009&partnerID=40&md5=2cebcf75dff6a74497006a601aaad895" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85069806781&doi=10.1016%2fj.coco.2019.07.009&partnerID=40&md5=2cebcf75dff6a74497006a601aaad895</a>
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ISSN: 24522139
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Online
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English
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Article
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Tambrallimath V., Automobile Engineering, Dayananda Sagar College of Engineering, Bangalore, 560078, India; Keshavamurthy R., Mechanical Engineering, Dayananda Sagar College of Engineering, Bangalore, 560078, India; D S., Mechanical Engineering, Dayananda Sagar University, Bangalore, 560078, India; Koppad P.G., Mechanical Engineering, Dayananda Sagar College of Engineering, Bangalore, 560078, India; Kumar G.S.P., Department of Mechanical and Automobile Engineering, Christ (Deemed to be University), Bangalore, 560074, India
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Articles
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Thermal diffusivity study of one-pot synthesised polypyrrole silver nanocomposite by thermal lens method
Subject
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EDAX spectrum; Polypyrrole; Thermal diffusivity
Description
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We are reporting the results of our exploration of the thermal lens method to determine the thermal diffusivity of Ppy and Ppy/Ag nanocomposites synthesised by simple, cost effective in situ chemical oxidative polymerisation. EDAX spectrum confirms the presence of silver in the samples. Raman analysis shows that the increase in the concentration of silver in composite results in an increase in the conjugation length of the samples. We have adopted the dual-beam pump-probe technique to determine the thermal diffusivity of polypyrrole and polypyrrole silver nanocomposite with varying silver concentrations. We report suppression of thermal diffusivity of polypyrrole with the addition of a small concentration of silver and an enhanced thermal diffusivity with an increase in the concentration of silver with ethanol as the base fluid. Increased thermal diffusivity of the samples makes them suitable for use as coolants. 2022 Elsevier Ltd
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Punnakkal V.S.; Francis F.; Pius M.; Santhi A.; Anila E.I.
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Materials Today Communications, Vol-34
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Elsevier Ltd
Date
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2023-01-01
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<a href="https://doi.org/10.1016/j.mtcomm.2022.105151" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.mtcomm.2022.105151</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85144490751&doi=10.1016%2Fj.mtcomm.2022.105151&partnerID=40&md5=68c5b73a6fcfdb0610b353be28c09a39" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85144490751&doi=10.1016%2fj.mtcomm.2022.105151&partnerID=40&md5=68c5b73a6fcfdb0610b353be28c09a39</a>
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ISSN: 23524928
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Online
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English
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Article
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Punnakkal V.S., Optoelectronic and Nanomaterials Research Laboratory, Department of Physics, Union Christian College, Kerala, Aluva, 683102, India, Sree Sankara College, Kerala, Kalady, 683574, India; Francis F., St. Teresa's College (Autonomous), Kerala, Ernakulam, 682011, India; Pius M., St. Teresa's College (Autonomous), Kerala, Ernakulam, 682011, India; Santhi A., St. Teresa's College (Autonomous), Kerala, Ernakulam, 682011, India; Anila E.I., Optoelectronic and Nanomaterials Research Laboratory, Department of Physics, Union Christian College, Kerala, Aluva, 683102, India, Christ (Deemed to be University), Karnataka, Bengaluru, 560029, India
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Title
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Thermal Enhancement of Radiating Magneto-Nanoliquid with Nanoparticles Aggregation and Joule Heating: A Three-Dimensional Flow
Subject
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Aggregation nanoparticles; Chemical reaction; Joule heating; Nanoliquid; Titania nanoparticles
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This article studies the effect of nanoparticle aggregation on the 3D flow of titanium nanoliquid based on ethylene glycol (C 2H 6O 2- TiO 2) due to an exponentially elongated surface. Thermal analysis is carried out considering linear thermal radiation, Joule heating, and mechanisms of the heat source/sink, while the aspect of the homogeneous single-order chemical reaction is included in the analysis of the solute. The variable magnetic field is also accounted. The modified Maxwell model (MaxwellBruggeman) is implemented to estimate the effective conductivity of the nanoliquid. The displayed equations are moderated in quantities without dimensions. The 2-point nonlinear boundary value problem (BVP) is solved by the shooting procedure. The importance of effective parameters is described through graphs. Numerical data are presented to study the friction factor, the heat transfer rate, and the mass transfer rate. It has been established that the aggregation of nanoparticles significantly improves the thermal field. Furthermore, the effect of magnetism is more in ordinary fluid than in nanofluid. 2020, King Fahd University of Petroleum & Minerals.
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Swain K.; Mahanthesh B.
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Arabian Journal for Science and Engineering, Vol-46, No. 6, pp. 5865-5873.
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Springer Science and Business Media Deutschland GmbH
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2021-01-01
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<a href="https://doi.org/10.1007/s13369-020-04979-5" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s13369-020-04979-5</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85092778609&doi=10.1007%2Fs13369-020-04979-5&partnerID=40&md5=6fbbaddde2838ec75ded78dfda628f4f" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85092778609&doi=10.1007%2fs13369-020-04979-5&partnerID=40&md5=6fbbaddde2838ec75ded78dfda628f4f</a>
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ISSN: 2193567X
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English
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Swain K., Department of Mathematics, Gandhi Institute for Technology, Bhubaneswar, 752054, Odisha, India; Mahanthesh B., Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, 560029, Karnataka, India
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Thermal fatigue characteristics of 8Y2O3-ZrO2, La2Zr2O7, La2(Zr0.7Ce0.3)2O7 and La2Ce2O7 thermal barrier coatings in duplex, multilayer functionally graded and multilayer configurations
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pyrochlore oxides; structure; thermal barrier coatings; thermal fatigue
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La2Zr2O7, La2(Zr0.7Ce0.3)2O7 and La2Ce2O7 pyrochlore plasma sprayable powders were synthesized and plasma spray coated on steel plates with NiCrAlY bond coat. Three different configurations were used: duplex, multilayer functionally graded and multilayer, with different combinations of commercial 8% yttria stabilized zirconia (8YSZ) and NiCrAlY (bond coat) layers. The prepared coatings were compared with the standard duplex 8YSZ thermal barrier coatings (TBCs) with a goal to study their suitability to serve as TBCs. TBCs layer thicknesses and interfaces were studied via SEM on polished cross section metallographic samples removed from the spray coated TBCs. Thermal fatigue resistance was evaluated by directing a gas flame on the ceramic surface at 1200 and 1400 C, followed by its rapid withdrawal and forced cooling by pedestal fan. The maximum number of thermal shock cycles the coatings could withstand before failure was determined. The multilayered TBCs with lanthanum cerate composition stacked with 8YSZ exhibited the superior thermal fatigue resistance characteristics compared to all other studied TBCs. The findings were correlated with the crystalline phases of the ceramic coatings, obtained via XRD, and discussed in the light of existing literature. 2023 University of Novi Sad, Faculty of Technology. All rights reserved.
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Pasupuleti K.T.; Vattappara K.; Gomes S.A.; Ramaswamy P.
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Processing and Application of Ceramics, Vol-17, No. 3, pp. 236-247.
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University of Novi Sad, Faculty of Technology
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2023-01-01
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<a href="https://doi.org/10.2298/PAC2303236P" target="_blank" rel="noreferrer noopener">https://doi.org/10.2298/PAC2303236P</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85176252504&doi=10.2298%2FPAC2303236P&partnerID=40&md5=7f29b3e5c7c932cb0dc07aa0f0e006ad" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85176252504&doi=10.2298%2fPAC2303236P&partnerID=40&md5=7f29b3e5c7c932cb0dc07aa0f0e006ad</a>
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ISSN: 18206131
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English
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Pasupuleti K.T., Department of Mechanical Engineering, School of Engineering & Technology, CHRIST (Deemed to be University), Bangalore Kengeri Campus, Bangalore, 560074, India; Vattappara K., Department of Mechanical Engineering, School of Engineering & Technology, CHRIST (Deemed to be University), Bangalore Kengeri Campus, Bangalore, 560074, India; Gomes S.A., Department of Mechanical Engineering, School of Engineering & Technology, CHRIST (Deemed to be University), Bangalore Kengeri Campus, Bangalore, 560074, India; Ramaswamy P., Department of Mechanical Engineering, School of Engineering & Technology, CHRIST (Deemed to be University), Bangalore Kengeri Campus, Bangalore, 560074, India
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Thermal Marangoni convection in two-phase flow of dusty Casson fluid
Subject
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Casson fluid; Dusty fluid; Marangoni convection; Runge-Kutta-Fehlberg method; Two-phase flow
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This paper deals with the thermal Marangoni convection effects in magneto-Casson liquid flow through suspension of dust particles. The transpiration cooling aspect is accounted. The surface tension is assumed to be fluctuating linearly with temperature. The fluid and dust particle's temperature of the interface is chosen as a quadratic function of interface arc length. The governing problem is modelled by conservation laws of mass, momentum and energy for fluid and dust particle phase. Stretching transformation technique is utilized to form ordinary differential equations from the partial differential equations. Later, the numerical solutions based on Runge-Kutta-Fehlberg method are established. The momentum and heat transport distributions are focused on the outcome of distinct governing parameters. The results of Nusselt number is also presented and discussed. It is established that the heat transfer rate is higher in the case of dusty non-Newtonian fluid than dusty Newtonian fluid. The rate of heat transfer can be enhanced by suspending dust particles in a base liquid. 2017
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Mahanthesh B.; Gireesha B.J.
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Results in Physics, Vol-8, pp. 537-544.
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Elsevier B.V.
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2018-01-01
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<a href="https://doi.org/10.1016/j.rinp.2017.12.066" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.rinp.2017.12.066</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85042257364&doi=10.1016%2Fj.rinp.2017.12.066&partnerID=40&md5=340c9e2588d322d8855e854c213ac7a7" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85042257364&doi=10.1016%2fj.rinp.2017.12.066&partnerID=40&md5=340c9e2588d322d8855e854c213ac7a7</a>
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ISSN: 22113797
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English
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Mahanthesh B., Department of MathematicsChrist University, Bangalore, 560029, India; Gireesha B.J., Department of Studies and Research in MathematicsKuvempu University, Shankaraghatta, Shimoga, 577451, Karnataka, India
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Thermal optimisation through multilayer convective flow of CuO- MWCNT hybrid nanofluid in a composite porous annulus
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differential transformation method; heat source/sink; hybrid nanofluid; Multi-layer flow; porous annulus
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The present article deals with the analysis of the three-layer convective flow of immiscible nanofluids in a composite porous annulus. Water and kerosene are chosen as base fluids due to their immiscible property that leads to the formation of a non-physical boundary separation and thus forming a multi-layer flow. In this model, the hybrid nanofluid is formed by suspending copper oxide (CuO) and multi walled carbon nanotubes (MWCNTs) in water which is sandwiched between layers of nanofluid formed by suspending CuO in kerosene leading to two boundary separations that give rise to the interface regions. Such a flow finds applications in the field of solar reactors, electronic cooling, etc. The model based on the above assumptions is in the form of a system of ordinary differential equations that are solved using the differential transformation method. The solutions are found to be in agreement with the existing literature and the results of this study are interpreted graphically. It is to be noted that the interfacial region in the multilayer nanofluid flow helps in maintaining the system at an optimum temperature which helps to cool down the systems. Further, the increase in the Eckert number increases the heat conduction of the nanofluid and pressure enhances the flow speed of the nanofluid. 2022 Informa UK Limited, trading as Taylor & Francis Group.
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Anandika R.; Puneeth V.; Manjunatha S.; Chamkha A.J.
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International Journal of Ambient Energy, Vol-43, No. 1, pp. 6463-6473.
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Taylor and Francis Ltd.
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2022-01-01
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<a href="https://doi.org/10.1080/01430750.2021.2023044" target="_blank" rel="noreferrer noopener">https://doi.org/10.1080/01430750.2021.2023044</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85123432384&doi=10.1080%2F01430750.2021.2023044&partnerID=40&md5=dd08591df69b404806b039c8f4e85c19" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85123432384&doi=10.1080%2f01430750.2021.2023044&partnerID=40&md5=dd08591df69b404806b039c8f4e85c19</a>
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ISSN: 1430750; CODEN: IJAED
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English
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Article
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Anandika R., Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, India; Puneeth V., Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, India; Manjunatha S., Department of Sciences and Humanities, CHRIST (Deemed to be University), Bengaluru, India; Chamkha A.J., Faculty of Engineering, Kuwait College of Science and Technology, Doha District, Kuwait
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Articles
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Thermal optimisation through the stratified bioconvective jetflow of nanofluid
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Bioconvection; jetflow; microorganisms; nanofluid; slip mechanisms
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Bioconvection is a fascinating phenomenon observed in various biological systems, where the motion of motile microorganisms generates fluid flow patterns. This article explores the occurrence and characteristics of bioconvection within the context of a jet flow. The study of bioconvection in jet flow involves the interaction between motile microorganisms and the fluid dynamics of the surrounding medium. Microorganisms such as bacteria and algae are known to exhibit directed swimming behavior, which can lead to the formation of dynamic flow structures. Investigating the mechanisms underlying bioconvection in jet flow requires a multidisciplinary approach encompassing fluid dynamics, microbial ecology, and mathematical modeling. Experimental techniques, such as microscopy and particle image velocimetry, along with computational simulations, are employed to analyze the complex interactions between microorganisms and the fluid flow. In this regard, a supportive mathematical model is designed using partial differential equations (PDEs) which are later transformed into ordinary differential equations using similarity transformations. The resulting system of equations is solved using the RKF-45 method and the outcomes are recorded in tables and graphs. The consideration of thermophoresis has shown a significant impact on the heat and mass transfer of the jet flow and both these profiles are observed to increase with thermophoresis. Meanwhile, the Schmidt number decrease their respective mass profiles. Furthermore, the porosity is found to create a drag force which tends to oppose the fluid flow. 2023 Taylor & Francis Group, LLC.
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Yu L.; Li Y.; Puneeth V.; Singh C.; Singhal A.; Anwar M.S.
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Numerical Heat Transfer, Part B: Fundamentals, Vol-85, No. 6, pp. 791-804.
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Taylor and Francis Ltd.
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2024-01-01
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<a href="https://doi.org/10.1080/10407790.2023.2256971" target="_blank" rel="noreferrer noopener">https://doi.org/10.1080/10407790.2023.2256971</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85170661232&doi=10.1080%2F10407790.2023.2256971&partnerID=40&md5=88df1982b734da8de4ef0d2faae6cab9" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85170661232&doi=10.1080%2f10407790.2023.2256971&partnerID=40&md5=88df1982b734da8de4ef0d2faae6cab9</a>
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ISSN: 10407790; CODEN: NHBFE
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English
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Yu L., School of Computer Science and Technology, Shandong Technology and Business University, Yantai, China; Li Y., School of Computer Science, University of St. Andrews, St. Andrews, United Kingdom; Puneeth V., School of Sciences, CHRIST University, Delhi-NCR, Ghaziabad, India; Singh C., School of Sciences, CHRIST University, Delhi-NCR, Ghaziabad, India; Singhal A., School of Sciences, CHRIST University, Delhi-NCR, Ghaziabad, India; Anwar M.S., Department of Mathematics, University of Jhang, Jhang, Pakistan
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Conference Papers
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Title
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Thermal Studies of Multiwalled Carbon Nanotube Reinforced with Silicone Elastomer Nanocomposites
Subject
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Nano particle; Nanocomposites; Silicon rubber; Thermal properties; Thermogravimetric analysis (TGA)
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This article studies the enhancement in the properties of silicon elastomer (SiR) reinforced by multiwalled carbon nanotube (MWCNT). Multiwalled carbon nanotube filled silicone rubber composites were prepared. The effects of loading levels of MWCNT on the thermal properties of silicone elastomer were investigated. SEM studies reveal the smooth distribution of MWCNT in silicon matrix. At higher concentration nanoparticles collapse together to form agglomerates. The high resolution transmission electron microscopy (HR-TEM) photographs shows excellent/homogeneous distribution of MWCNT in silicon matrix and agglomeration occurs at higher concentrations. Thermal properties of nanocomposites have been characterized using differential scanning calorimetry (DSC) and thermo-gravimetric analysis (TGA). The transition temperature appears at below -25C for MWCNT reinforced SiR nanocomposites. TGA thermogram, shows that temperature at 10%, 20%, 30%, and 50% weight loss for SiR nanocomposites is higher than as compared to unfilled SiR. The results indicate that the addition of MWCNT significantly enhanced the thermal stability of silicon elastomer. 2018 Elsevier Ltd.
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Saji J.
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Materials Today: Proceedings, Vol-11, pp. 935-943.
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Elsevier Ltd
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2019-01-01
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<a href="https://doi.org/10.1016/j.matpr.2018.12.022" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.matpr.2018.12.022</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85065733781&doi=10.1016%2Fj.matpr.2018.12.022&partnerID=40&md5=727cd9f23ea5ec70b90a78014506b533" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85065733781&doi=10.1016%2fj.matpr.2018.12.022&partnerID=40&md5=727cd9f23ea5ec70b90a78014506b533</a>
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ISSN: 22147853
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Online
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English
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Conference paper
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Saji J., Department of Sciences and Humanities, Faculty of Engineering, Christ (Deemed to Be University), Bengaluru, 560074, India
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Thermal, mechanical and ?-ray shielding properties of micro- and nano-Ta2O5 loaded DGEBA epoxy resin composites
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dynamic mechanical analysis; epoxy nanocomposites; tantalum oxide; thermal properties; ?-ray shielding
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In this work, we have investigated the synergistic effect of micro- and nano-Ta2O5 fillers in the epoxy matrix on the thermal, mechanical, and radioprotective properties of the composites. Morphological analysis revealed uniform dispersion of fillers in the matrix. Both the thermal stability and tensile properties of matrices have enhanced in the presence of fillers. Although the nanocomposites showed significantly higher tensile strength and Youngs modulus compared to micro-composites, the enhancement in these properties was predominant at low loadings. Dynamic mechanical analysis indicated good interfacial adhesion and positive reinforcing effect on the matrix even at higher loading (30 wt%) of nano-Ta2O5. ?-Ray attenuation studies performed in the energy range of 0.3561.332 MeV revealed better ?-ray shielding ability of nanocomposites compared to microcomposites at same weight fraction of fillers. In particular, ?-ray attenuation at 0.356 MeV for 30 wt% nano-Ta2O5 loaded epoxy composite was enhanced by around 13% compared to the microcomposite at the same loading. Increased surface-to-volume ratio of nanofillers and consequent increase in matrix-filler adhesion and radiation-matter interaction have manifested in an overall enhancement in the thermal, mechanical, dynamic mechanical, and radiation shielding characteristics of nano-Ta2O5/epoxy composites, proving them as promising ?-ray shields. 2021 Wiley Periodicals LLC.
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Prabhu S.; Bubbly S.G.; Gudennavar S.B.
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Journal of Applied Polymer Science, Vol-138, No. 44
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John Wiley and Sons Inc
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2021-01-01
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<a href="https://doi.org/10.1002/app.51289" target="_blank" rel="noreferrer noopener">https://doi.org/10.1002/app.51289</a>
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ISSN: 218995; CODEN: JAPNA
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English
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Article
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Prabhu S., Department of Physics and Electronics, CHRIST (Deemed to be University), Bangalore Central Campus, Bengaluru, India; Bubbly S.G., Department of Physics and Electronics, CHRIST (Deemed to be University), Bangalore Central Campus, Bengaluru, India; Gudennavar S.B., Department of Physics and Electronics, CHRIST (Deemed to be University), Bangalore Central Campus, Bengaluru, India
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Thermo-solutal Marangoni convective assisting/resisting flow of a nanofluid with radiative heat flux: A model with heat transfer optimization
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The mixed Marangoni assisting/resisting flow of a nanofluid with thermal radiative heat flux is analyzed when thermal and solutal buoyant forces are significant. The heat and mass transfer rates are simultaneously optimized by utilizing the Response Surface Methodology (RSM). The face-centered Central Composite Design (fc-CCD) is used for the numerical experimental design involved in RSM. The sensitivities of the heat and mass transfer rates are evaluated to compare the impact of the thermal and solutal buoyant forces. Appropriate scaling and similarity transformations are utilized to simplify the problem and then numerical solutions are obtained. The nanoliquid flow, temperature, and concentration profiles are plotted for the buoyancy assisting and opposing Marangoni cases. The Marangoni flow with opposite buoyancy is found to have a greater magnitude of velocity while the flows assisted by the buoyancy have a greater magnitude of temperature and concentration profiles. Thermal buoyancy force has a predominant (0.6%) impact on both heat and mass transfer rates compared to solutal buoyancy force. Buoyancy forces are positively sensitive to heat and mass transfer rates. The thermal radiation aspect augments the temperature profile throughout the domain. The optimized mass and heat transfer rates ((Formula presented.) and (Formula presented.)) is achieved at the highest level of the buoyancy forces and ratio of Marangoni numbers. 2022 Wiley-VCH GmbH.
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Mackolil J.; Basavarajappa M.
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ZAMM Zeitschrift fur Angewandte Mathematik und Mechanik, Vol-102, No. 11
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John Wiley and Sons Inc
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2022-01-01
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<a href="https://doi.org/10.1002/zamm.202100504" target="_blank" rel="noreferrer noopener">https://doi.org/10.1002/zamm.202100504</a>
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ISSN: 442267
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Online
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English
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Article
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Mackolil J., Centre for Mathematical Needs, Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, India; Basavarajappa M., Centre for Mathematical Needs, Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, India, School of Mathematical and Statistical Sciences, The University of Texas Rio Grande Valley, Edinburg, 78539, TX, United States
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Thermoconvective instability in a vertically oscillating horizontal ferrofluid layer with variable viscosity
Subject
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ferrofluid; g-jitter; magnetic numbers; magnetorheological; modulation; sawtooth; sinusoidal; thermorheological; variable viscosity; waveforms
Description
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The paper sheds light on the linear and nonlinear stability of a ferrofluid with the temperature and magnetic-field-dependent viscosity subjected to an imposed time-periodic gravity modulation. The perturbations in the system due to external reasons are expanded in terms of the amplitude of modulation in the case of linear stability and a truncated representation of the Fourier series in the case of nonlinear stability. A nonautonomous Lorenz model for the problem is first obtained, and both linear and nonlinear analyses of the system are performed using this. The expression for the critical Rayleigh number, (Formula presented.), and the correction Rayleigh number, (Formula presented.), is found from the linearized Lorenz model. The Lorenz system of equations is solved for the amplitude to arrive at the Nusselt number (Nu), which quantifies the heat transport. In the study we find that the thermorheological effect and the magnetization effect work in unison to destabilize the system, while the magnetorheological effect and the effect of vertical oscillations stabilize the system. The influence of the parameters on the heat transport is the opposite to their effect on the critical Rayleigh number. The results of the paper agree quite well with those of limiting cases. 2020 Wiley Periodicals LLC
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Aanam A N.; Siddheshwar P.G.; Nagouda S.S.; Pranesh S.
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Heat Transfer, Vol-49, No. 8, pp. 4543-4564.
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John Wiley and Sons Inc
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2020-01-01
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<a href="https://doi.org/10.1002/htj.21840" target="_blank" rel="noreferrer noopener">https://doi.org/10.1002/htj.21840</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85096416631&doi=10.1002%2Fhtj.21840&partnerID=40&md5=9bc268de839e17414adf3af555129b5b" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85096416631&doi=10.1002%2fhtj.21840&partnerID=40&md5=9bc268de839e17414adf3af555129b5b</a>
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ISSN: 26884534
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Online
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English
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Article
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Aanam A N., Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, Karnataka, India; Siddheshwar P.G., Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, Karnataka, India; Nagouda S.S., Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, Karnataka, India; Pranesh S., Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, Karnataka, India
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Title
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Book Chapter
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Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Thermoelectric effects in graphene
Description
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Graphene, owing to its unique electronic properties, has become one of the active areas of condensed matter research with promising applications in future efficient thermoelectric (TE) and energy storage devices. The present work reviews the status of thermoelectric power (TEP) of graphene systems, including single-layer, bilayer, and nanoribbons. The theory of TEP, based on the Boltzmann transport formalism in 2D systems, is given. An analysis of the experimental data, in terms of the diffusion and the phonon-drag contributions to TEP, with regard to the various scattering mechanisms operative in graphene systems, is presented. The outlook on TEP for better understanding of the TE properties of graphene is discussed. 2016 by Taylor & Francis Group, LLC. All rights reserved.
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Sankeshwar N.S.; Kubakaddi S.S.; Mulimani B.G.
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Graphene Science Handbook, Vol-45811, pp. 273-291.
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CRC Press
Date
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2016-01-01
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<a href="" target="_blank" rel="noreferrer noopener"></a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85135390580&partnerID=40&md5=4eb86683006fbd37330724a8bcade511" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85135390580&partnerID=40&md5=4eb86683006fbd37330724a8bcade511</a>
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ISBN: 978-146659119-6; 978-131537409-3
Format
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Online
Language
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English
Type
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Book chapter
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Sankeshwar N.S., Department of Physics, Christ University, Karnataka, India; Kubakaddi S.S., Department of Physics, Karnatak University, Karnataka, India; Mulimani B.G., Department of Physics, B.L.D.E. University, Karnataka, India
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The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Book Chapter
Book Chapter
Faculty Publications- Book Chapter
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Thermoelectric effects in graphene
Description
An account of the resource
Graphene, owing to its unique electronic properties, has become one of the active areas of condensed matter research with promising applications in future efficient thermoelectric (TE) and energy storage devices. The present work reviews the status of thermoelectric power (TEP) of graphene systems, including single-layer, bilayer, and nanoribbons. The theory of TEP, based on the Boltzmann transport formalism in 2D systems, is given. An analysis of the experimental data, in terms of the diffusion and the phonon-drag contributions to TEP, with regard to the various scattering mechanisms operative in graphene systems, is presented. The outlook on TEP for better understanding of the TE properties of graphene is discussed. 2016 by Taylor and Francis Group, LLC.
Creator
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Sankeshwar N.S.; Kubakaddi S.S.; Mulimani B.G.
Source
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Graphene Science Handbook: Electrical and Optical Properties, pp. 273-292.
Publisher
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CRC Press
Date
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2016-01-01
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<a href="https://doi.org/10.1201/b19642-18" target="_blank" rel="noreferrer noopener">https://doi.org/10.1201/b19642-18</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019499826&doi=10.1201%2Fb19642-18&partnerID=40&md5=dfa2143aa85464ccf2816a6236550c1d" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019499826&doi=10.1201%2fb19642-18&partnerID=40&md5=dfa2143aa85464ccf2816a6236550c1d</a>
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ISBN: 978-146659132-5; 978-146659131-8
Format
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Online
Language
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English
Type
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Book chapter
Coverage
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Sankeshwar N.S., Department of Physics, Christ University, Karnataka, India; Kubakaddi S.S., Department of Physics, Christ University, Karnataka, India; Mulimani B.G., Department of Physics, B.L.D.E. University, Karnataka, India
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Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
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Faculty Publications -Articles
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Thermoluminescence glow curve analysis and trap parameters calculation of UV-induced La2Zr2O7 phosphor doped with gadolinium
Description
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Thermoluminescence (TL) glow curve analysis and calculation of trap parameters are reported for gadolinium (Gd3+)-doped La2Zr2O7 (LZO) phosphor. Phosphors were prepared by modified solid-state reaction method with varying concentration of Gd3+ (0.12.5mol%) including proper calcination and sintering temperature. Structural analysis of prepared phosphor for optimized TL concentration was recorded by X-ray diffraction analysis technique. Morphology was analyzed by scanning electron microscopic technique. The UV ray induced to the phosphor and effect of dose response recorded for variable dose rates of UV and TL glow curve were observed. The experimental and theoretical comparison was done by computerized glow curve deconvolution technique which determines the trap parameters such as trap depth, order of kinetics, and frequency factor for optimized concentration of dopant. The trap parameters and trap model are discussed in detail. 2019, Springer Science+Business Media, LLC, part of Springer Nature.
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Dubey N.; Dubey V.; Saji J.; Kaur J.
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Journal of Materials Science: Materials in Electronics, Vol-31, No. 3, pp. 1936-1944.
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Springer
Date
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2020-01-01
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<a href="https://doi.org/10.1007/s10854-019-02712-z" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s10854-019-02712-z</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85077155007&doi=10.1007%2Fs10854-019-02712-z&partnerID=40&md5=63f80428aa1db00bee634ec85aea2c2f" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85077155007&doi=10.1007%2fs10854-019-02712-z&partnerID=40&md5=63f80428aa1db00bee634ec85aea2c2f</a>
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ISSN: 9574522
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Online
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English
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Article
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Dubey N., Department of Physics, Govt. V.Y.T.PG. Auto. College, Durg, 491001, Chattisgarh, India; Dubey V., Department of Physics, Bhilai Institute of Technology, Raipur, 493661, India; Saji J., Science and Humanities, Faculty of Engineering, Christ (Deemed to University), Bangalore, 560074, India; Kaur J., Department of Physics, Govt. V.Y.T.PG. Auto. College, Durg, 491001, Chattisgarh, India
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Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Book Chapter
Book Chapter
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Dublin Core
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Title
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Thermomechanical and viscoelastic properties of biodegradable and biocompatible polymer nanocomposites
Subject
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bio-fibers; biocompatibility; Biodegradability; thermo-mechanical properties; viscoelastic behavior
Description
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Due to the ongoing depletion of fossil fuels, which have been the primary sources of monomers from which the vast majority of synthetic polymers are derived, biodegradable and biocompatible polymeric composites (BBPCs) have received a great deal of attention in recent years. The use of biodegradable and biocompatible polymers is expanding due to their ability to reduce toxic and nondegradable waste materials. Traditional polymers such as polypropylene, polyethylene, and polystyrene are nonbiodegradable, making reuse and recycling difficult. As a result, massive amounts of nonbiodegradable waste are generated all over the world. Biodegradable polymers have been widely used in medical and packaging applications because they are typically made from renewable materials that biodegrade when discarded. Producing biodegradable composites with the addition of environmentally friendly nanofillers is increasingly being regarded as the next-generation materials for improving some of the properties and performance of biodegradable polymers. Despite growing interest in biodegradable and biocompatible polymer research, most studies focus on their preparation methodologies and characterization, with little attention paid to their thermo-mechanical and viscoelastic behavior. Thus, the potential of biodegradable and biocompatible polymer nanocomposites under various thermo-mechanical conditions, as well as their viscoelastic behavior, is reviewed in this chapter. 2023 Elsevier Inc. All rights reserved.
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Suresha B.; Darshan S.M.; Aravind S.L.; Harshavardhan B.
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Biodegradable and Biocompatible Polymer Nanocomposites: Processing, Characterization, and Applications, pp. 141-172.
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Elsevier
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2023-01-01
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<a href="https://doi.org/10.1016/B978-0-323-91696-7.00004-0" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/B978-0-323-91696-7.00004-0</a>
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ISBN: 978-032391696-7; 978-032398559-8
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Online
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English
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Book chapter
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Suresha B., Department of Mechanical Engineering, The National Institute of Engineering, Karnataka, Mysuru, India; Darshan S.M., Department of Mechanical Engineering, The National Institute of Engineering, Karnataka, Mysuru, India, Department of Mechanical Engineering, CHRIST (Deemed to be University), Karnataka, Bengaluru, India; Aravind S.L., Department of Mechanical Engineering, The National Institute of Engineering, Karnataka, Mysuru, India; Harshavardhan B., Department of Mechanical Engineering, The National Institute of Engineering, Karnataka, Mysuru, India