Journal of Korean Society for Quality Management (품질경영학회지)

Korean Society for Quality Management (한국품질경영학회)
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An Accelerated Degradation Test of Nuclear Power Plants Communication Cable Jacket

원자력 발전소용 통신케이블 자켓의 가속열화시험

  • Jung, Jae Han (Department of Industrial and Management Engineering, Kyonggi University Graduate School) ;
  • Kim, Yong Soo (Department of Industrial and Management Engineering, Kyonggi University)
  • 정재한 (경기대학교 일반대학원 산업경영공학과) ;
  • 김용수 (경기대학교 산업경영공학과)
  • Received : 2017.09.10
  • Accepted : 2017.11.08
  • Published : 2017.12.31
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Abstract

Purpose: The purpose of this study was to estimate the lifetime, and verify the target lifetime at steady state temperature, of communication cable jackets used in nuclear power plants. Method: This study was completed according to test and analysis methods required by international standards. After measuring the residual elongation(%) of specimens at specific points in time with the accelerated degradation test, average failure time of each temperature was computed. Thus, the activation energy could be derived by applying the temperature-Arrhenius law to estimate cable jacket lifetime at steady state temperature. Results: The cable jacket lifetime was estimated as 363.8 years assuming a normal nuclear power plant operating temperature of $90^{\circ}C$. Conclusion: To ascertain stable operating conditions for a nuclear power plant, accelerated degradation tests were performed according to the Arrhenius law for components of the nuclear power plants. The lifetime was estimated from the degradation data collected during the accelerated degradation test.

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References

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