Experimental Investigation of Pulsatile Flows in Tubes

[+] Author and Article Information
Z. D. Shi, S. H. Winoto, T. S. Lee

Department of Mechanical & Production Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 0511, Republic of Singapore

J Biomech Eng 119(2), 213-216 (May 01, 1997) (4 pages) doi:10.1115/1.2796082 History: Received August 29, 1995; Revised July 12, 1996; Online October 30, 2007


Based on cam-piston-valve arrangement, a mechanical pulsatile flow generator is designed to investigate sinusoidal flow and other types of pulsatile flow in straight rigid tube. Measurement reveals the relation between pressure gradient and flow rate. Numerical simulation using the k-ε turbulence model are carried out to compare the pulsatile flow produced by the generator with a sinusoidal flow and a physiological flow in a rigid tube. The results show that the pulsatile flow generated has similar dynamic properties to the physiological flow. Hence, the present setup can be used for in-vitro investigation of biofluid phenomena.

Copyright © 1997 by The American Society of Mechanical Engineers
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