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International Journal of Technology
Year : 2016, Volume : 6, Issue : 2
First page : ( 248) Last page : ( 252)
Print ISSN : 2231-3907. Online ISSN : 2231-3915.
Article DOI : 10.5958/2231-3915.2016.00038.9

Double-diffusive convection in compressible, rotating, couple-stress fluid

Mehta C.B.*

Department of Mathematics, Government College, Shimla-171006

*Corresponding Author Email:

PACS Nos.: 47.20. Ma, 47. 50. +d

Online published on 2 February, 2017.

Abstract

A layer of compressible, rotating, couple-stress fluid heated and soluted from below is considered. For the case of stationary convection, the compressibility, stable solute gradient and rotation postpone the onset of convection whereas the couple-stress viscosity postpones as well as hastens the onset of convection depending on rotation parameter. The case of overstability is also studied wherein a sufficient condition for the non-existence of overstability is found.

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Keywords

Couple-stress fluid, compressibility, rotation, thermosolutal convection.

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