Compressible-Flow Modeling With Pseudo Bond Graphs

[+] Author and Article Information
Jinglu Tan

Department of Agricultural Engineering, University of Missouri, Columbia, MO 65211

Kim A. Stelson

Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455

Kevin A. Janni

Department of Agricultural Engineering, University of Minnesota, Minneapolis, MN 55455

J. Dyn. Sys., Meas., Control 116(2), 272-280 (Jun 01, 1994) (9 pages) doi:10.1115/1.2899220 History: Received June 14, 1990; Revised December 15, 1992; Online March 17, 2008


A finite lump pseudo bond graph scheme for isothermal and isentropic pipe flows of ideal gas is developed on the basis of the governing differential equations and an assumption of staggered spatial profiles for the variables. Element constitutive relationships are formally derived. A new CONVECTANCE element is defined to model convective acceleration. The bond graph is simple and convenient to use.

Copyright © 1994 by The American Society of Mechanical Engineers
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