한국기계가공학회지 (Journal of the Korean Society of Manufacturing Process Engineers)

  • 제17권5호
  • /
  • Pages.58-63
  • /
  • 2018
  • /
  • 1598-6721(pISSN)
  • /
  • 2288-0771(eISSN)
한국기계가공학회 (The Korean Society of Manufacturing Process Engineers)
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블래더와 하우징으로 구성된 축압기의 수명피로예측

Life Fatigue Prediction of an Accumulator Composed of Bladder and Housing

  • 김대유 (금오공과대학교 기계시스템공학과) ;
  • 이건희 (금오공과대학교 기계시스템공학과) ;
  • 허장욱 (금오공과대학교 기계시스템공학과)
  • Kim, Daeyu (Department of Mechanical System Engineering, Kumoh National Institute of Technology) ;
  • Lee, Geonhee (Department of Mechanical System Engineering, Kumoh National Institute of Technology) ;
  • Hur, Jangwook (Department of Mechanical System Engineering, Kumoh National Institute of Technology)
  • 투고 : 2018.07.11
  • 심사 : 2018.07.26
  • 발행 : 2018.10.31
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초록

Recently in weapon systems development, the importance of reliability has been emphasized due to the increase in complexity and the rapid development of key components and components. Accordingly, the importance of lifespan testing is increased. However, lifespan testing to verify the reliability of a system is costly and takes a lot of time. Therefore in this paper, it was demonstrated that the most critical item of a bladder type accumulator is the bladder. Fatigue life is sensitive to temperature and pressure, with temperature having more impact. The fatigue life of the bladder was estimated to be 18,140 hr through fatigue analysis, which satisfies the required life expectancy of 10,000 hr.

키워드

참고문헌

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  1. A Comparative Study on Fracture Property of Aluminum Foam DCB and TDCB Specimens for Type of Mode III on Thickness vol.36, pp.3, 2018, https://doi.org/10.7736/kspe.2019.36.3.263
  2. A Study on the Strength Characteristic of Compact Tension Specimen due to Internal Holes and Material vol.36, pp.7, 2018, https://doi.org/10.7736/kspe.2019.36.7.623
  3. 큐폴라 용해로 철피의 열응력 및 피로수명 해석 vol.19, pp.2, 2018, https://doi.org/10.14775/ksmpe.2020.19.02.047