Measurement of Wall Motion and Wall Shear in a Compliant Arterial Cast

[+] Author and Article Information
O. J. Deters, C. B. Bargeron, F. F. Mark, M. H. Friedman

The Johns Hopkins University, Applied Physics Laboratory, Laurel, Md. 20707

J Biomech Eng 108(4), 355-358 (Nov 01, 1986) (4 pages) doi:10.1115/1.3138628 History: Received September 16, 1985; Revised August 11, 1986; Online June 12, 2009


Initial measurements of the time-varying wall shear rate at two sites in a compliant cast of a human aortic bifurcation are presented. The shear rates were derived from flow velocities measured by laser Doppler velocimetry (LDV) near the moving walls of the cast. To derive these shear rate values, the distance from the velocimeter sampling volume to the cast wall must be known. The time variation of this distance was obtained from LDV measurements of the velocity of the wall itself.

Copyright © 1986 by ASME
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