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Experimental study and model optimization of thermodynamic performance of a single screw water vapor compressor.

Author(s) : ZHANG H., ZHANG Z., TONG L., YANG J., LI Y., WANG L., GUO X., TIAN R., HE M., GAO C.

Type of article: IJR article

Summary

Single screw water vapor compressor has greater advantages under conditions of low suction temperature and high compression ratio, however, the current study has the following limitations: (1) the volumetric and isentropic efficiency were substituted as a fixed value into the models of compressor, (2) The suction temperature is concentrated in the medium-high region, (3) The compression ratio is concentrated in the medium-low range, which failed to accurately describe the water vapor compression process. Therefore, the relationship between the volumetric efficiency, isentropic efficiency and key characteristic parameters of compressor is studied experimentally, the mathematical models of the volume flow and compression power are established and verified by experiments, the changes of the mass flow, compression power, COP and SMER with suction temperature, discharge pressure and compression ratio are analyzed, the operation process parameters of the single-screw water vapor compressor are optimized.

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Pages: 135-144

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Details

  • Original title: Experimental study and model optimization of thermodynamic performance of a single screw water vapor compressor.
  • Record ID : 30032316
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 161
  • Publication date: 2024/05
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2024.02.024

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