回転する曲管内層流熱伝達の基本特性

概要

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When a coiled pipe rotates about the coil axis, the effect of rotation interacts with centrifugal and viscous effects to complicate the flow characteristics beyond those seen in stationary curved pipes. Following a previous paper on the flow characteristics, fundamental characteristics of convective heat transfer are studied for fully developed laminar flows through similarity arguments and computational studies. The variations of temperature contours with body force ratio and Prandtl number are shown for two Dean numbers. Empirical formulae for average heat transfer rate are given for a wide range of Prandtl numbers.
1995-02-25