Approximate Solution for Pulsatile Laminar Flow in a Circular Rigid Tube

[+] Author and Article Information
A. F. Elkouh

Mechanical Engineering Department, Marquette University, Milwaukee, Wis.

J. Fluids Eng 100(1), 131-133 (Mar 01, 1978) (3 pages) doi:10.1115/1.3448588 History: Received February 11, 1977; Online October 12, 2010


The momentum and energy integral methods are used to obtain expressions for the pressure gradient in unsteady flow of an inelastic power-law fluid. For the special case of a sinusoidally oscillating Newtonian fluid, the energy integral method yields results which are in excellent agreement with the exact solution at low frequencies.

Copyright © 1978 by ASME
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