Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ap%26ss..62..389p&link_type=abstract
Astrophysics and Space Science, vol. 62, no. 2, May 1979, p. 389-396.
Astronomy and Astrophysics
Astrophysics
Convective Flow, Fluid Flow, Free Convection, Heat Sources, Porous Boundary Layer Control, Suction, Unsteady Flow, Approximation, Convective Heat Transfer, Flow Velocity, Incompressible Fluids, Oscillating Flow, Skin Friction, Temperature Dependence, Temperature Distribution, Two Dimensional Flow, Viscous Fluids
Scientific paper
An analysis of a two-dimensional unsteady free convective flow of an incompressible viscous fluid past an infinite vertical porous plate has been carried out under the following conditions: (1) constant suction (2) plate temperature oscillating in time about a constant nonzero mean, (3) presence of temperature-dependent sources in the fluid. Approximate solutions have been derived for the mean velocity and temperature fields, the transient velocity and temperature fields, the amplitude and phase of the skin friction, and the rate of heat transfer. It is shown that an increase in S (source strength) leads to an increase in the value of /B/ (amplitude of the skin-friction) and /Q/ (amplitude of the rate of heat transfer) in case of air, but in case of water /B/ and /Q/ decrease.
Pop Iulia
Soundalgekar V. M.
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