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RESEARCH PAPERS

Heat Transfer Between an Impinging Jet and a Rotating Disk

[+] Author and Article Information
D. E. Metzger, L. D. Grochowsky

Mechanical Engineering Department, Arizona State University, Tempe, Ariz.

J. Heat Transfer 99(4), 663-667 (Nov 01, 1977) (5 pages) doi:10.1115/1.3450761 History: Received March 04, 1977; Online August 11, 2010

Abstract

An experimental study of the flow interaction and heat transfer between a single impinging jet and a rotating disk is presented. Tests were conducted over a range of jet flowrates, impingement radii, and disk rotational speeds with various combinations of three jet and three disk sizes. Flow visualization using smoke addition to the jet flow reveals the presence of a flow regime transition which is correlated in terms of the rotationally induced disk pumping flow acting as a cross-flow influence on the jet. Higher rotational speeds, larger impingement radii, and smaller jet flowrates favor a rotationally dominated flow interaction whereas the opposite trends favor an impingement dominated interaction. Heat transfer rates are essentially independent of jet flowrate in the rotationally dominated regime, but increase, strongly with increasing flowrate in the impingement dominated regime.

Copyright © 1977 by ASME
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