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Numerical simulation of discharge process in the single screw compressor.

Number: pap. 1429

Author(s) : ZHANG Z., PENG C., WU W.

Summary

In the process of the single screw compressor, the symmetrical grooves of the compressor are periodically connected with the discharge ports and the gas enters the discharge chamber or back flows from chamber, generating gas pulsation. The gas pulsation increases the flowing loss to bring additional energy loss, meanwhile the gas pulsation is the one of main reasons for the generation of vibration and noise. The thermodynamic model of the compression chamber and the discharge chamber of a single screw compressor is established in this paper taking the discharge chamber structure and the flow resistance into main consideration. The discharge process in discharge chamber is simulated base on the thermodynamic model. In addition, the influence of speed and back pressure on the pressure in the discharge chamber is investigated in detail. The analysis results provide a basis for optimum design of structure and reduction of vibration and noise.

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Pages: 10

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Details

  • Original title: Numerical simulation of discharge process in the single screw compressor.
  • Record ID : 30024351
  • Languages: English
  • Source: 2018 Purdue Conferences. 24th International Compressor Engineering Conference at Purdue.
  • Publication date: 2018/07/09

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