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Języki publikacji
Abstrakty
We show that the global nonlinear stability threshold for convection in a couple-stress fluid with temperature and pressure dependent viscosity is exactly the same as the linear instability boundary. This optimal result is important because it shows that linearized instability theory has captured completely the physics of the onset of convection. It has also been found that the couplestress fluid is more stable than the ordinary viscous fluid and then the effect of couple-stress parameter (F) and variable dependent viscosity (Γ) on the onset of convection is also analyzed.
Wydawca
Czasopismo
Rocznik
Tom
Strony
85--102
Opis fizyczny
Bibliogr. 52 poz., rys.
Twórcy
autor
- Department of Mathematics, National Institute of Technology, Hamirpur, (H.P.) − 177 005, India
autor
- Department of Mathematics, G. S. S. S. Mandal, Kangra, (H.P.) − 176 001, India
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-271e2338-2483-4952-9663-90b65414f2a8