Experimental and analytical investigation has been carried out to determine the effect of centrifugal acceleration on the condensation heat transfer within a circular tube. The experiments were conducted by condensing steam on the inside of a vertical tube rotating about an axis parallel to its own. A physical model was proposed consisting of a laminar filmwise condensation region and a bottom condensate flow region. The results of the present study indicate that the overall coefficient of heat transfer increases substantially with increasing centrifugal acceleration and it is slightly lower than the value for the case of condensation on the outside of circular tube under the same acceleration field.

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