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An investigation into the dynamics of self-acting compressor valves.

Number: pap.1011

Author(s) : MÖHL C., THOMAS C., HESSE U.

Summary

In principle, a reciprocating compressor stage consists of a cylinder, the working volume which varies periodically due to a piston moving inside a liner. Latter is sealed by two sets of valves. On one hand the suction valve for admitting the gas to be compressed and on the other the discharge valve for allowing the high pressure gas to be delivered to the downstream process. The typical type of valves used within compressors for refrigeration plants are reed valves. State-of-the-art computation of these valves is of zero or one-dimensional order; however the number of publications regarding 3D numerical simulation is increasing. Among these two ways the user has to compromise between computation time and accuracy. This paper tries to address one possible alternative as its focusing on the application of two-way fluid-structure-interaction (FSI) in a two-dimensional representation of a reciprocating compressor. The results are validated against an established simulation software as well as measurement data. Furthermore, some modeling peculiarities will be elaborated enabling better insight to users which are new to this subject.

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Format PDF

Pages: 9 p.

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Details

  • Original title: An investigation into the dynamics of self-acting compressor valves.
  • Record ID : 30019415
  • Languages: English
  • Source: 2016 Purdue Conferences. 23rd International Compressor Engineering Conference at Purdue.
  • Publication date: 2016/07/11

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