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A study on high efficiency wing-vane compressor. 3. experimental evaluation of the prototype.

Number: pap.1293

Author(s) : KAWAMURA R., SEKIYA S., SASAKI T., et al.

Summary

Low global warming potential refrigerants such as HFO (hydro fluoro olefin) -1234yf are attractive as alternative working fluids in air-conditioning and cooling systems to address global warming. However, larger compressor sizes were required due to the lower fluid density compared with conventional refrigerants such as R410A. Thus, a new wing-vane compressor which has no contact between the vane and the cylinder has been developed to prevent an increase in size without performance degradation. The structure of the wing-vane compressor is different from a conventional sliding-vane compressor. Therefore, a prototype of the wing-vane compressor was operated using R134a refrigerant to simulate HFO-1234yf refrigerant. The results were as follows: (1) the APF (annual performance factor) ratio of the prototype of the wing-vane compressor was 100.2% with respect to the twin-rotary compressor. (2) Stable operation was confirmed without problems in the process from suction to discharge. (3) There were no serious abrasions and scratches in the friction parts of the wing-vane compressor after 100 hours of operation under high load operating conditions. (4) The vane-guide, whose arc angle is over 60 degrees, operates stably in low load conditions which are the most worrying conditions for instability of a vane-guide.

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Pages: 7 p.

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Details

  • Original title: A study on high efficiency wing-vane compressor. 3. experimental evaluation of the prototype.
  • Record ID : 30019604
  • Languages: English
  • Source: 2016 Purdue Conferences. 23rd International Compressor Engineering Conference at Purdue.
  • Publication date: 2016/07/11

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