Transient Response of Fluid Viscoelastic Lines

[+] Author and Article Information
E. Rieutord

Laboratoire d’Hydraulique et Dynamique des Gaz, Institut National des Sciences Appliquées de Lyon, 69 621 Villeurbanne, Cédex, France

J. Fluids Eng 104(3), 335-341 (Sep 01, 1982) (7 pages) doi:10.1115/1.3241845 History: Received January 30, 1980; Online October 26, 2009


Basic relations and method of solution are given for laminar transient flows in linear viscoelastic circular fluid transmission lines. Using a numerical method to invert the Laplace-Carson transforms, basic step response plots are given for semi-infinite liquid-lines. The method can be immediately applied to any practical problem with linear or explicitly time dependent boundary conditions. Analytical expressions are given for the behavior at the wave front and for large values of time. Also derived are classical parameters characterizing the frequency response.

Copyright © 1982 by ASME
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