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선박용 압축공기 탱크의 피로강도에 관한 연구(I)

A Study on the Fatigue Strength of Compressed Air Tank for Ships(I)

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키워드

주제분류기계공학

초록

Abstract

The estimation of fatigue life at the design stage of the compressed air tank on board is very important in order to arrive at feasible and reliable solutions considering the total lifetime of the tank. In this paper the compressed air tank on board was selected as a model and the change of inside pressure of the tank during normal navigation period was measured and the cycle of fluctuation stress was presumed statistically based on this. Also the effect of stress concentration with the FEM analysis on the longitudinal weld and the mean stress effect on the fatigue strength of compressed air tank were discussed.

참고문헌 (8)

  1. "선급 및 강선규칙", 5(1) (2005), (사)한국선급
  2. "선박기관기준" (2001), 해양수산부
  3. "1974년 해상인명안전협약" (1998), 해인출판사
  4. "한국 산업규격 D 3853 압력용기용 강판" (2002), 한국표준협회
  5. "Effect of Stress Ratio and Step Loading on the Fatigue Crack Propagation Rate", pp.217~233 (1995)
  6. "Fatigue Properties of Joints for 5083-O Aluminium Alloy", 58, pp.8~14 (1982)
  7. "선급 및 강선규칙", 5(5) (2005), (사)한국선급
  8. "The Society of Materials Science Data book on Fatigue Strength on Metallic Materials", 1 (1996)

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