Abstract
Most experimental and numerical studies of pulsatile flow through stenosed arteries have been performed for a first harmonic oscillatory flow. In this paper, numerical solutions are presented for a physiological pulsatile flow as well as for an equivalent simple pulsatile flow, having the same stroke volume as the physiological flow, and the differences in their flow behavior are discussed. The analysis is restricted to laminar flow, Newtonian fluid and axisymmetric rigid stenosis. Comparison of results shows that the behaviors of the two flows are similar at some instances of time, however, important observed differences indicate that for thorough understanding of pulsatile flow behavior in stenosed arteries, the actual physiological flow should be simulated.
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