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RESEARCH PAPERS

Non-isothermal Laminar Flow of Gases through Cooled Tubes

[+] Author and Article Information
Lloyd H. Back

Jet Propulsion Laboratory, California Institute of Technology, Pasadena, Calif.

J. Heat Transfer 95(1), 85-92 (Feb 01, 1973) (8 pages) doi:10.1115/1.3450010 History: Received May 14, 1971; Online August 11, 2010

Abstract

Numerical solutions of the laminar-flow equations in differential form are presented for gas flows through cooled tubes. For nearly isothermal flow there is good agreement with available experimental data, as is also found for the case of a large amount of wall cooling. This correspondence along with a check on the satisfaction of the global momentum and energy constraints allowed an appraisal of the effect of wall cooling on flow through tubes. In general, the effect of wall cooling was to decrease the wall friction and the change in pressure along tubes, but the average heat-transfer coefficient did not vary much.

Copyright © 1973 by ASME
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