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크리프 영역 고온 압력기기 및 배관의 설계평가 프로그램, HITEP_RCC-MRx의 개발
이형연(Hyeong-Yeon Lee),원민구(Min-Gu Won),정시화(Si-Hwa Jeong),허남수(Nam-Su Huh) 대한기계학회 2019 대한기계학회 춘추학술대회 Vol.2019 No.11
A web-based high-temperature design evaluation program for a pressure boundary component and piping system subjected to high-temperature operation in creep regime has been developed. The program, called “HITEP_RCCMRx,” is based on French nuclear grade high-temperature design code of RCC-MRx and enables a designer to conduct high-temperature design evaluations for a pressure boundary component and piping system according to RCC-MRx. HITEP_RCC-MRx consists of two modules: “HITEP_RCC-DBA,” which is programmed for the design-by-analysis (DBA) evaluation for class 1 pressure boundary components such as the pressure vessel and heat exchangers according to the RB-3200 procedures and “HITEP_RCC-PIPE,” which is programmed for the design-by-rule (DBR) evaluation according to the RB-3600 procedures. The program has been verified with a number of relevant example problems on modules of DBA and Pipe. It was shown from the verification procedure that HITEP_RCC-MRx is capable of conducting elevated temperature design evaluations in an efficient and reliable way.
[세션초청논문] 크리프 영역 고온 압력기기의 고신뢰도 건전성 평가를 위한 HITEP 플랫폼의 개발
이형연(Hyeong-Yeon Lee),이제환(Jewhan Lee),정시화(Si-Hwa Jeong),원민구(Min-Gu Won),허남수(Nam-Su Huh) 대한기계학회 2020 대한기계학회 춘추학술대회 Vol.2020 No.12
A high-reliability integrity evaluation platform of ‘HITEP’ has been developed with web-based language for a pressure boundary component and piping system subjected to high-temperature operation in creep regime. The platform program, called “HITEP” means ‘HIgh Temperature integrity Evaluation Program” which is for design evaluation of high-temperature pressure boundary components and piping as per the two major design codes of ASME Section III Division 5 Subsection HB (‘ASME-HB’) and RCC-MRx. The HITEP platform enables a user to provide information of current status and the optimal maintenance time based on the integrity evaluations. The design evaluation modules of the HITEP platform have been verified with a number of relevant example problems for RCC-MRx and ASME-HB. Because current high-temperature design codes of ASME BPVC Section VIII and ASME B31.1 being used for high temperature pressure vessel and piping were shown to be potentially non-conservative for long-term creep conditions in previous studies, the HITEP platform might be contributing to enhancing reliability of a high temperature pressure boundary components in thermal power plant and refinery plants as well operating at high temperature in creep range.