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

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Development of Subminiature Type 3 Composite Pressure Vessel for Cooling Unit in Electric Appliances

전자제품 쿨링 유닛용 초소형 타입 복합재 압력용기 개발

  • Cho, Sung-Min (Institute of Gas Safety R&D, Korea Gas Safety Corporation) ;
  • Lee, Seung-kuk (Institute of Gas Safety R&D, Korea Gas Safety Corporation) ;
  • Moon, Jong-sam (Institute of Gas Safety R&D, Korea Gas Safety Corporation) ;
  • Lyu, Sung-ki (School of Mechanical & Aerospace Eng., ReCAPT, Gyeongsang National University)
  • Received : 2018.10.05
  • Accepted : 2018.11.12
  • Published : 2018.12.31
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Abstract

In this study, we have developed a composite pressure vessel that is compact and can store refrigerant at high pressure to increase the refrigerant volume. The composite pressure vessel is made of aluminum-based duralumin, which has high rigidity and excellent elongation in the inner liner, considering the characteristics of products in the aerospace and defense industry, where the safety of the applied product is considered as a priority. High strength carbon fiber was applied to the outside. In order to evaluate the performance of the developed product, burst test and cycling test were carried out. In burst test, an excellent safety margin equivalent to 2.7 times the operating pressure was obtained. In cycling test, a stable failure mode in which 'pre-burst leak' occurs is proved and the soundness of the product is proved.

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References

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