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RESEARCH PAPERS: Papers in Thermofluid Area

Application of Bond Graphs to Thermofluid Processes and Systems

[+] Author and Article Information
R. Shoureshi

School of Mechanical Engineering, Purdue University, W. Lafayette, Ind.

K. McLaughlin

TRW, Space and Technology Group, Redondo Beach, Calif.

J. Dyn. Sys., Meas., Control 107(4), 241-245 (Dec 01, 1985) (5 pages) doi:10.1115/1.3140729 History: Received November 01, 1984; Online July 21, 2009

Abstract

Over the past few years a study was focused on the development of bond graphs for thermofluid processes and systems using the true power variables of temperature and time rate of change of entropy. This paper summarizes results of the study. Discussion begins with the study of a simple case of single phase incompressible fluid flow and ends with a completely general case of multiphase, variable density flow. Variations in density require introduction of the momentum equation to the bond graph. Inclusion of entropy as a state variable necessitates the use of Gibb’s equation and its representation by means of bond graphs. This paper presents these formulations and representations, and compares dynamic results predicted by bond graphs with those of classical approaches.

Copyright © 1985 by ASME
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