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ISSN Online: 2377-424X

International Heat Transfer Conference 5
September, 3-7, 1974, Tokyo, Japan

THE EFFECT OF A TRANSVERSE ELECTROSTATIC FIELD ON LAMINAR FLOW HEAT TRANSFER IN A RECTANGULAR DUCT

Get access (open in a dialog) DOI: 10.1615/IHTC5.2050
pages 198-202

摘要

This paper is concerned with the substantial increases in heat transfer rate at the upper surface of a horizontal duct, of rectangular cross section, which accompany the application of an electrical field between the upper and lower surfaces of the duct. With the exception of low field conditions, the effect of a d.c. was to increase heat transfer coefficients considerably, 80−100% being common. The paper discusses the mechanism of this process, the conditions under which electroconvection is initiated, and the effect of the field on heat transfer rates and axial pressure drop.