Numerical Solutions of Transients in Pneumatic Networks—Transmission-Line Calculations

[+] Author and Article Information
S. Tsao

Systems Development Division, IBM Corporation, Endicott, N. Y.

J. Appl. Mech 35(3), 588-595 (Sep 01, 1968) (8 pages) doi:10.1115/1.3601255 History: Received January 22, 1968; Online September 14, 2011


Equations governing the damped wave propagation along transmission lines are obtained from the Navier-Stokes and energy equations by making certain simplifying assumptions. The flow considered is essentially one-dimensional. However, radial variations of the velocity and temperature profiles must be considered, because the damping factor is directly dependent on them. The equations are integrated by numerical methods. A hypothetical case is computed as an example.

Copyright © 1968 by ASME
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