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Comparative study of two different equations of state for modelling a reciprocating compressor for the refrigerant R600a.

Number: pap. n. C10, 1229

Author(s) : LANG W., ALMBAUER R., BERGER E., et al.

Summary

CFD simulations of a hermetic reciprocating compressor became state of the art in the last decade. The numerical procedures become more and more complex and until now almost every part of the compressor can be simulated in a sufficient manner. Most of these methods focus on the determination of boundary conditions or the evaluation of gas guiding components, while assuming the refrigerant as ideal gas. In this work, the simulation of a compressor has been chosen to compare the ideal gas assumption on the one hand and a real approach on the other. The differences of these two approaches have been shown by comparing pV-diagrams. Furthermore the obtained results have been compared to experimental data, and differences are worked out. All simulations have been done abstracting the valves as flat plates moving parallel to the valve plate.

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Pages: 7 p.

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Details

  • Original title: Comparative study of two different equations of state for modelling a reciprocating compressor for the refrigerant R600a.
  • Record ID : 30001346
  • Languages: English
  • Source: 2010 Purdue Conferences. 20th International Compressor Engineering Conference at Purdue.
  • Publication date: 2010/07/12

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