공기조화기용 스크롤 압축기의 플랭크 및 팁실 누설특성

Characteristics of Flank and Tip Seal Leakage in a Scroll Compressor for Air-Conditioners

  • 윤영 (LG전자 디지털어플라언스 연구소) ;
  • 김용찬 (고려대학교 기계공학과) ;
  • 민만기 (고려대학교 기계공학과)
  • Youn, Young (Digital Appliance Research Lab., LG Electronics) ;
  • Kim, Yong-Chan (Department of Mechanical Engineering, Korea University) ;
  • Min, Man-Ki (Department of Mechanical Engineering, Korea University)
  • 발행 : 2001.02.01

초록

This paper presents the characteristics of flank and tip seal leakage in a scroll compressor for air-conditioners with R-22 under actual operating conditions. It is well known that the leakage has significant effect on the performance of the scroll compressor. Experiments were performed by using indirect method for measuring mass flow rate passing through flank and tip seal under actual operating conditions, In addition, an analytical model for tip seal leakage was developed to investigate tangential and radial leakage observed at grooves and contact points of tip seals. For low oil concentration, theoretical results were compared with experimental data to verify the analytical model. As a result, leakages through flank and tip seal parts were evaluated as afunction of pressure ratio, orbiting angle, discharge pressure, tip clearance, and leakage point. It was also found that the tip seal leakage was considerable even though the tip seal provided adequate sealing effect.

키워드

참고문헌

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