Effect of temperature/gravity modulation on the onset of magneto-convection in weak electrically conducting fluids with internal angular momentum
subject: Linear stability; Magnetic field; Modulation; Natural convection; Rayleigh-Benard
description: The effect of time-periodic temperature/gravity modulation at the onset of magneto-convection in weak electrically conducting fluids with internal angular momentum is investigated by making a linear stability analysis. The Venezian approach is adopted in arriving at the critical Rayleigh and wave numbers for small amplitude temperature/gravity modulation. The temperature modulation is shown to give rise to sub-critical motion and gravity modulation leads to delayed convection. An asymptotic analysis is also presented for small and large frequencies. 1999 Elsevier Science B.V.
creator: Siddheshwar P.G.; Pranesh S.
source: Journal of Magnetism and Magnetic Materials, Vol-192, No. 1, pp. 159-176.
publisher: Elsevier
date: 1999-01-01
rights: Restricted Access
relation: ISSN: 3048853; CODEN: JMMMD
format: Online
language: English
type: Article
coverage: Siddheshwar P.G., UGC-DSA Center in Fluid Mechanics, Dept. Math., Bangalore Univ., C., Bangalore-560 001, India; Pranesh S., Department of Mathematics, Christ College, Hosur Road, Bangalore-560 029, India