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1 International Journal of Applied Mechanics and Engineering

1 2001

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Transient natural convection in a vertical channel

Paul T., Jha B. K., Singh A. K.

International Journal of Applied Mechanics and Engineering

2001

Vol. 6, no 4

913-922

This paper describes a theoretical analysis of transient motion of a viscous incompressible fluid in a vertical channel. The motion of the fluid is caused by the buoyancy force arising from the temperature gradient as a result of constant heat flux at one wall and an adiabatic condition on the other wall. Expressions for the velocity and temperature fields are derived with the help of the Laplace transform technique. The influence of the various parameters is extensively discussed with the help of graphs. It has been observed that the temperature is not influenced by the presence of an adiabatic condition on the other plate for large values of the Prandtl number.