Heat and mass transfer of triple diffusive convection in viscoelastic liquids under internal heat source modulations
- Title
- Heat and mass transfer of triple diffusive convection in viscoelastic liquids under internal heat source modulations
- Creator
- Noor Arshika S.; Tarannum S.; Pranesh S.
- Description
- The influence of sinusoidal (trigonometric cosine [TC]) and nonsinusoidal waveforms (square, sawtooth, and triangular) of internal heat source modulation on triple diffusive convection in viscoelastic liquids is investigated. An Oldroyd-B type model is taken into account for viscoelastic liquids. Nonlinear analysis is carried out using a truncated representation of the Fourier series. To analyze the heat and mass transfer over a triply diffusive liquid layer, expressions for average Nusselt and average Sherwood numbers are derived using 8-mode generalized Lorenz equations. The transient behavior of Nusselt and Sherwood numbers is analyzed on different parameters of the problem. From the results, it is found that the internal heat source enhances the heat transfer and diminishes the mass transfer while the heat sink diminishes the heat transfer and enhances the mass transfer. The results for respective waveforms are obtained for each parameter and it is found that the maximum heat and mass transfer occurs due to TC waveform. The limiting cases of viscoelastic liquids (Newtonian, Oldroyd-B, Maxwell, and RivlinEricksen) have been tabulated and corresponding results for each of the waveforms onheat and mass transfer have been shown. 2021 Wiley Periodicals LLC
- Source
- Heat Transfer, Vol-51, No. 1, pp. 239-256.
- Date
- 2022-01-01
- Publisher
- John Wiley and Sons Inc
- Subject
- internal heat source modulation; Lorenz model; nonsinusoidal waveform; Nusselt number; Sherwood number; sinusoidal waveform; viscoelastic liquids
- Coverage
- Noor Arshika S., Centre for Mathematical Needs, Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, Karnataka, India; Tarannum S., Department of Professional Studies, CHRIST (Deemed to be University), Bengaluru, Karnataka, India; Pranesh S., Centre for Mathematical Needs, Department of Mathematics, CHRIST (Deemed to be University), Bengaluru, Karnataka, India
- Rights
- Restricted Access
- Relation
- ISSN: 26884534
- Format
- Online
- Language
- English
- Type
- Article
Collection
Citation
Noor Arshika S.; Tarannum S.; Pranesh S., “Heat and mass transfer of triple diffusive convection in viscoelastic liquids under internal heat source modulations,” CHRIST (Deemed To Be University) Institutional Repository, accessed February 26, 2025, https://archives.christuniversity.in/items/show/15533.