Heat transfer and flow visualization experiments have been made in a channel with a rectangular cylindrical section having various width-to-height ratios. Vortices were observed to shed periodically from the cylinder and then reattach to the channel wall. This reattachment of the vortices induces a
Hydromagnetic flow and heat transfer of a conducting Casson fluid in a rectangular channel
β Scribed by Attia, Hazem Ali ;Sayed-Ahmed, Mohamed Eissa
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 165 KB
- Volume
- 22
- Category
- Article
- ISSN
- 1069-8299
- DOI
- 10.1002/cnm.807
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β¦ Synopsis
Abstract
The transient hydromagnetic flow of an electrically conducting viscous incompressible nonβNewtonian Casson fluid bounded by two parallel nonβconducting plates is studied with heat transfer considering the Hall effect. An external uniform magnetic field is applied perpendicular to the plates and the fluid motion is subjected to a pressure gradient in the axial direction. The lower plate is stationary and the upper plate is suddenly set into motion and simultaneously suddenly isothermally heated to a temperature other than the lower plate temperature. Numerical solutions are obtained for the governing momentum and energy equations taking the Joule and viscous dissipations into consideration. The effect of the Hall term and the parameter describing the nonβNewtonian behaviour on both the velocity and temperature distributions are studied. Copyright Β© 2005 John Wiley & Sons, Ltd.
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