ТОМ 86,   №4

UNSTEADY MIXED CONVECTIVE FLOW AND HEAT TRANSFER IN A VERTICAL CORRUGATED CHANNEL WITH COMPOSITE POROUS MEDIA


An unsteady mixed convective flow and heat transfer in a vertical corrugated channel containing porous and fluid  layers are considered. The equations of momentum and energy are solved under appropriate boundary and interface conditions with the assumption that the solution consists of a mean part and a perturbed one. The exact solutions are obtained in the long-wave approximation. Separate solutions are matched at the interface with the use of suitable matching conditions. The effects of pertinent parameters, such as the Grashof number, viscosity ratio, width ratio, conductivity ratio, frequency, and the wave parameter on the flow field and heat transfer characteristics are studied.

Автор:  J. C. Umavathi and M. Sheka
Ключевые слова:  mixed convection, corrugated channel, porous and fluid layers.
Стр:  706

J. C. Umavathi and M. Sheka.  UNSTEADY MIXED CONVECTIVE FLOW AND HEAT TRANSFER IN A VERTICAL CORRUGATED CHANNEL WITH COMPOSITE POROUS MEDIA // Инженерно-физический журнал. 2013. ТОМ 86, №4. С. 706.


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