New Iterative Scheme in Computer Simulation of Positive Displacement Compressors Considering the Effect of Gas Pulsations

[+] Author and Article Information
W. Zhou

Aeroacoustic and Vibration Research, Corporate Technology, Carrier Corporation Carrier Parkway, P.O. Box 4808, Syracuse, NY 13221

J. Kim

Structural Dynamic Research Laboratory, Department of Mechanical, Industrial and Nuclear Engineering, University of Cincinnati, Cincinnati, OH 45221-0072

W. Soedel

Ray W. Herrick Laboratories, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

J. Mech. Des 123(2), 282-288 (Oct 01, 1999) (7 pages) doi:10.1115/1.1362320 History: Received October 01, 1999
Copyright © 2001 by ASME
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Operation process of a prototype compressor indicated by simulated curves. (a) P-V diagram; (b) P-θ diagram.
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Reciprocating compressor mechanism (connecting rod type)
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Schematic diagram of the mass flow through a compressor valve
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Idealized one dimensional model for valve motions
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Effective flow area of compressor valve
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Effective force area of compressor valve
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Generalized case of acoustic elements in series
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Flow chart of simulation program
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Unstable convergence of suction cavity pressure, —— : 4th iteration, - - - - : 5th iteration
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Configuration of the compressor manifolds and boundaries used as the example simulation
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Convergence trend shown by iteration speed. (a)—used in suction cavity; (b)—used in discharge cavity.
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Convergence trend shown by average pulsating pressures. (a)—in suction cavity; (b)—in discharge cavity.




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