한국안전학회지 (Journal of the Korean Society of Safety)

  • 제24권2호
  • /
  • Pages.1-6
  • /
  • 2009
  • /
  • 1738-3803(pISSN)
  • /
  • 2383-9953(eISSN)
한국안전학회 (The Korean Society of Safety)
권호 표지

침식 마모 손상된 차량용 워터펌프의 성능저하 연구

Study on the Performance Deterioration of Erosion-corrosion Damaged Automotive Water Pump

  • 전승원 (고려대학교 기계공학과) ;
  • 박찬성 (국립과학수사연구소중부분소) ;
  • 김윤호 (고려대학교 기계공학과) ;
  • 이규정 (고려대학교 기계공학과)
  • Jeon, Seung-Won (Department of Mechanical Engineering, Korea University) ;
  • Park, Chan-Seong (Department of Physical Engineering, Central District Office of National Institute of Scientific Investigation) ;
  • Kim, Yoon-Ho (Department of Mechanical Engineering, Korea University) ;
  • Lee, Kyu-Jung (Department of Mechanical Engineering, Korea University)
  • 발행 : 2009.04.30
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초록

침식마모로 인하여 손상되어 차량화재를 유발한 차량용 워터펌프의 성능저하를 CFX프로그램을 이용하여 해석하였다. 손상에 따른 성능저하를 해석하기 위하여, 블레이드의 굽힘 변형과 간극의 증가를 고려하였다. 캐비테이션 해석 시에는 포화증기 발생과 응축 과정을 모델링하기 위하여 Rayleigh-Plesset 모델을 적용하였다.

A flow analysis for the erosion-corrosion damaged automotive water pump which causes vehicle fire is numerically performed using the CFX program, computational fluid dynamics (CFD) code. The blade bending deformation and the blade clearance enlargement are considered in the analysis of performance reduction. For the cavitation analysis, the homogeneous multi phase model is adopted using the Ralyleigh-Plesset model for the rate equation controlling vapor generation and condensation.

키워드

참고문헌

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