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RESEARCH PAPERS: Forced Convection

Heat Transfer Enhancement Under Various Orientations Resulting From Attraction Mode Induction Electrohydrodynamic Pumping

[+] Author and Article Information
B. D. Margo, J. Seyed-Yagoobi

Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123

J. Heat Transfer 116(3), 598-603 (Aug 01, 1994) (6 pages) doi:10.1115/1.2910911 History: Received March 01, 1993; Revised September 01, 1993; Online May 23, 2008

Abstract

An induction electrohydrodynamic (EHD) pump in an axisymmetric configuration was designed and built to examine the heat transfer enhancement that accompanies fluid pumping. The apparatus was operated at several tilt angles between 0 (horizontal) and 90 while the augmentation of heat transfer was measured and compared to typical forced pumping and natural circulation. The increase in the overall conductance value for EHD pumping compared to typical forced pumping under turbulent flow conditions was as high as 71 percent. This corresponds to a much higher increase in the inside convection coefficient, which is the only resistance to heat transfer being affected by induction pumping.

Copyright © 1994 by The American Society of Mechanical Engineers
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