The Influence of Swirl on the Flow Characteristics of a Reciprocating Piston-Cylinder Assembly

[+] Author and Article Information
A. Morse, J. H. Whitelaw, M. Yianneskis

Imperial College of Science and Technology, Department of Mechanical Engineering, Fluids Section, London SW7 2BX

J. Fluids Eng 102(4), 478-480 (Dec 01, 1980) (3 pages) doi:10.1115/1.3240728 History: Received March 09, 1979; Revised August 25, 1980; Online October 26, 2009


Measurements of three orthogonal components of mean velocity and the rms values of the corresponding velocity fluctuations have been obtained by laser-Doppler anemometry in the axisymmetric swirling flow in a motored piston-cylinder assembly. The crank was rotated at 200 rpm and the inlet arrangement, a simulated open valve inclined at 60 deg to the cylinder head, provided swirl numbers at entry of approximately 0.45 and 1.20. There was no significant compression. The present results and previous results without swirl are compared.

Copyright © 1980 by ASME
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