Abstract
The problem of two-dimensional, steady-state film condensation on an isothermal horizontal disk with suction at the porous wall is studied for the case in which a cold plate faces upward. The dimensionless film thickness along the disk is found to be a function of parameter Ja/Pr (Jakob number/Prandtl number) and the suction parameter S w . An essential part of the present analysis is the use of the condition that the boundary layer depth at the disk edge is equal to a critical(minimum) depth. The dimensionless heat transfer coefficients are also found to be functions of parameters Ja/Pr and Ra/Ja. Furthermore, the dimensionless heat transfer coefficient increases as suction parameter S w increases.
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