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RESEARCH PAPERS

Pressure Difference-Flow Rate Variation in a Femoral Artery Branch Casting of Man for Steady Flow

[+] Author and Article Information
Y. I. Cho, L. H. Back

Jet Propulsion Laboratory, California Institute of Technology, Pasadena, Calif. 91109

D. W. Crawford

Department of Medicine, Cardiology Division, University of Southern California, School of Medicine, Los Angeles, Calif. 90033

J Biomech Eng 105(3), 258-262 (Aug 01, 1983) (5 pages) doi:10.1115/1.3138415 History: Received June 21, 1982; Revised February 22, 1983; Online June 15, 2009

Abstract

In-vitro, steady flow in a casting of the profunda femoris branch of the femoral artery of man was studied by measuring pressure differences in the main lumen and also in the branch over a large Reynolds number range from 200 to 1600. Effects of viscous and inviscid flows in this femoral artery branch were demonstrated quantitatively. The critical ratio of the flow rate in the branch to the upstream main lumen, ṁ 3 /ṁ 1 , in this casting was found to be 0.4, above which the inviscid flow analysis indicated a pressure rise and below which it yielded a pressure drop in the main lumen across the branch junction. Pressure rises were experimentally found to occur both in the main lumen and in the branch for certain ranges of ṁ 3 /ṁ 1 .

Copyright © 1983 by ASME
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