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ISSN Online: 2377-424X

ISBN Print: 0-85295-345-3

International Heat Transfer Conference 10
August, 14-18, 1994, Brighton, UK
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MIXED CONVECTIVE HEAT TRANSFER FROM A CYLINDER IN PULSATING CROSSFLOW

Get access (open in a dialog) DOI: 10.1615/IHTC10.3300
pages 495-500
Yoshihiro Kikuchi
Department of Mechanical Engineering, Hiroshima University, Higashi-Hiroshima 739-8527, Japan
Y. Ohno
Department of Mechanical Engineering, Hiroshima University 4-1, Kagamiyama 1-Chome, Higashi-Hiroshima, 724, Japan
M. Takahashi
Department of Mechanical Engineering, Hiroshima University 4-1, Kagamiyama 1-Chome, Higashi-Hiroshima, 724, Japan

Résumé

An experimental study was conducted to investigate the effect of pulsation of flow on heat transfer from a horizontal cylinder in mixed free and forced convection crossflow. The working fluid flowed upward in a rectangular channel. The pulsating flow produced a great enhancement in heat transfer, especilly on the rear portion of the cylinder. The mean heat transfer coefficient became higher with increasing the amplitude of pulsation. But the coefficient decreased with increasing the frequency of pulsation.