RESEARCH PAPERS: Other Technical Papers

Pressure Ratio Effects on Rarefied Flow Through Square Tubes

[+] Author and Article Information
M. W. Milligan, H. J. Wilkerson

Department of Mechanical and Aerospace Engineering, University of Tennessee, Knoxville, Tenn.

J. Eng. Ind 95(1), 370-372 (Feb 01, 1973) (3 pages) doi:10.1115/1.3438138 History: Received June 28, 1972; Online July 15, 2010


Experimental data are presented for the flow of argon gas through a 0.0985 in. sq tube 12 in. long. Data were obtained for pressure ratios varying between 0.943 and 0.0027. The range of Knudsen number variation was from 0.0025 (continuum) to 2.0 (near free molecular). These data are compared to existing theoretical model predictions. A simple semiempirical model is presented and compared with the data.

Copyright © 1973 by ASME
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