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Numerical Simulation for Flow of Rolling Piston Type of Rotary Compressor

Author

Listed:
  • Li-Chieh Hsu

    (Department of Mechanical Engineering, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan)

  • Guo-Wei Wong

    (Department of Mechanical Engineering, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan)

  • Po-Jui Lu

    (Department of Mechanical Engineering, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan)

  • Fu-Shun Hsu

    (New Widetech Industries Co., Ltd.; Section B, 34FL. No. 16-1, Xinzhan Rd., Banqiao District, New Taipei City 22041, Taiwan)

  • Ying-Chien Chen

    (New Widetech Industries Co., Ltd.; Section B, 34FL. No. 16-1, Xinzhan Rd., Banqiao District, New Taipei City 22041, Taiwan)

Abstract

In this numerical study, the temperature, pressure and flow structure inside the rotary compressor are obtained to analyze the work consumption and efficiency. The geometry of the compressor such as volume, inlet angle, and mass of reed valve are varied to look for optimal performance and design margin as the suggestions for manufacturing. The work done on refrigerant increases proportionally with the volume of the compressor. However, there is an optimal volume for efficiency. The design margin for inlet angle is determined. The best efficiency exists in a specific inlet angle. Larger mass of reed valve leads to the increase of input power due to the additional resistance from greater inertia, which causes a decrease of efficiency. The flow visualization by simulation diagnoses the potential factors, which may cause noise problem.

Suggested Citation

  • Li-Chieh Hsu & Guo-Wei Wong & Po-Jui Lu & Fu-Shun Hsu & Ying-Chien Chen, 2020. "Numerical Simulation for Flow of Rolling Piston Type of Rotary Compressor," Energies, MDPI, vol. 13(10), pages 1-22, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:10:p:2526-:d:358958
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