Heat Transfer in Film Inundation Flow over a Cylinder

Le résumé fourni par la source

Abstract The draining flow under gravity of condensate in a power condenser is considered, and the heat transfer characteristics of an individual coolant tube, inundated at moderate to high Reynolds numbers, are established. A power condenser is made up of a large bank of horizontal coolant tubes. In the upper reaches of the condenser droplet condensation and drainage prevails. However, condensate accumulation ultimately leads to considerable flow of condensate over tubes at lower stations in the condenser. At moderate to high flow rates it is no longer appropriate to use thin film approximations of heat transfer based solely on a balance between gravity and viscous forces.

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