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A study on flow coefficient evaluation by shape change of butterfly valve

Grooved butterfly valve의 형상 변화에 따른 용량계수 평가에 관한 연구

  • Lee, Jung-Won (Department of Mechanical Engineering, Inha University) ;
  • Shin, Bong-Cheol (Department of Mechanical Engineering, Inha University) ;
  • Cho, Yong-Kyu (Department of Mechanical Engineering, Inha University) ;
  • Cho, Myeong-Woo (Division of Mechanical Engineering, Inha University) ;
  • Lee, Kang-Hee (Department of Robot Automation Engineering, Dongyang Mirae University)
  • 이정원 (인하대학교 기계공학과) ;
  • 신봉철 (인하대학교 기계공학과) ;
  • 조용규 (인하대학교 기계공학과) ;
  • 조명우 (인하대학교 기계공학부) ;
  • 이강희 (동양미래대학 로봇자동화 공학부)
  • Received : 2012.07.19
  • Accepted : 2012.11.08
  • Published : 2012.11.30

Abstract

Butterfly valves have been used to control the flow rate of various fluids in many industries because it have unique manageability compare to other valves. The flow rate passing through the butterfly valves can be controlled according to the coefficient of capacity calculated by disk angle change. In this study, flow analysis by 3D modeling was performed to derive the coefficient of capacity to evaluate and improve newly developed butterfly valves. Also, required measurement system was established to verify the performance of the valves, and to compare with the calculated results.

버터플라이 밸브는 다른 밸브에 비해 작동의 용이성으로 각종 산업에서 유량 조절을 목적으로 많이 활용되고 있다. 버터플라이 밸브를 통과하는 유량을 제어하기 위해서는 디스크 각에 따른 용량계수에 따라 유량을 제어하게 된다. 본 논문에서는 고품질 밸브 제작을 위해 성능 지표 중에 하나인 용량계수를 기존의 제품의 3D 모델을 이용하여 유동 해석 및 분석을 수행하였고 이를 검증하기 위해 용량계수 측정 장비 측정을 통해 해석의 신뢰성을 확인하였다.

Keywords

References

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