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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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Objective: The aim of this study is to investigate the effectiveness of the expert prediction method for estimating the delay factors and the delay time of the nozzle dam installation and removal tasks.
Background: The radiation managers of nuclear power plants have tried to find the delay factors to reduce the delay time of the nozzle dam installation and removal tasks, one of the highest radiation dose tasks performed during the scheduled preventive overhaul period of nuclear power plants.
Method: Five experts on nozzle dam installation and removal tasks estimated relative weights for delay factors and the delay time of the task using the analytic hierarchy process (AHP) method. In the experiment using the steam generator water chamber mockup simulator the maximum delay time was measured from the difference between the longest and the shortest performance time of the tasks repeated by the three skilled workers.
Results: Some unexpected events during the simulation trial lead to a low statistical correlation between the estimated delay time and the measured delay time of the nozzle dam installation and removal tasks. Expert estimations using the AHP method could not reflect the accidental event such as an unexpected excessively tightening of the bolts on the nozzle dam making the performance time prolonged.
Conclusion: The estimates on the delay time using the AHP method were limited in usefulness but the debriefing results showed that the estimates of the delay factors predicted well the real situation of the nozzle dam installation and removals tasks.
Application: The AHP method for delay factor estimation might be usefully applied to the other high radiation dose overhaul tasks of nuclear power plants such as refueling, reactor water clean-up, works for decommissioning and so on.
Background: The radiation managers of nuclear power plants have tried to find the delay factors to reduce the delay time of the nozzle dam installation and removal tasks, one of the highest radiation dose tasks performed during the scheduled preventive overhaul period of nuclear power plants.
Method: Five experts on nozzle dam installation and removal tasks estimated relative weights for delay factors and the delay time of the task using the analytic hierarchy process (AHP) method. In the experiment using the steam generator water chamber mockup simulator the maximum delay time was measured from the difference between the longest and the shortest performance time of the tasks repeated by the three skilled workers.
Results: Some unexpected events during the simulation trial lead to a low statistical correlation between the estimated delay time and the measured delay time of the nozzle dam installation and removal tasks. Expert estimations using the AHP method could not reflect the accidental event such as an unexpected excessively tightening of the bolts on the nozzle dam making the performance time prolonged.
Conclusion: The estimates on the delay time using the AHP method were limited in usefulness but the debriefing results showed that the estimates of the delay factors predicted well the real situation of the nozzle dam installation and removals tasks.
Application: The AHP method for delay factor estimation might be usefully applied to the other high radiation dose overhaul tasks of nuclear power plants such as refueling, reactor water clean-up, works for decommissioning and so on.
목차
1. Introduction
2. Expert Estimation for the Time Delay Factors of Nozzle Dam Installation and Removal Tasks
3. Time Study on the Nozzle Dam Installation and Removal Tasks using the Steam Generator Water Chamber Mockup
4. Evaluation of Effectiveness of the AHP Method for the Delay Time Estimates on the Nozzle Dam Installation Task
5. Evaluation of Effectiveness of the AHP Method for the Delay Time Estimates on the Nozzle Dam Removal Task
6. Conclusion
References
참고문헌 (10)
참고문헌 신청
[학술지(정기간행물)] - 정예슬 / 2013 / Usability Evaluation Criteria for Mobile Navigation Using AHP / 대한인간공학회지 32 (5) : 443 ~ 448
[학술지(정기간행물)] - 김희근 / 2010 / 원전에서 발생하는 주요 방사성핵종들이 방사선작업종사자와 원전 주변주민의 피폭방사선량 평가에 미치는 영향 / 방사선방어학회지 35 (1) : 12 ~ 20
[학술지(정기간행물)] - 김정인 / 2013 / 국내 가압경수로형 원전 계획예방정비기간 주요 방사선작업에 대한 납 차폐복 선량저감효과 분석 / 방사선방어학회지 38 (4) : 237 ~ 241
[학술대회논문] - Kim, S.H. / 2000 / Nozzle Dam Design Improvement using Composite Material of the Steam Generating Nuclear Power Plants / Proceedings of the Spring Conference of Korean Nuclear Society
[학술지(정기간행물)] - 김성우 / 2012 / An Outlook for Interaction Experience in Next-generation Television / 대한인간공학회지 31 (4) : 557 ~ 565
[학술지(정기간행물)] - 김희근 / 2010 / 원전에서 발생하는 주요 방사성핵종들이 방사선작업종사자와 원전 주변주민의 피폭방사선량 평가에 미치는 영향 / 방사선방어학회지 35 (1) : 12 ~ 20
[학술지(정기간행물)] - 김정인 / 2013 / 국내 가압경수로형 원전 계획예방정비기간 주요 방사선작업에 대한 납 차폐복 선량저감효과 분석 / 방사선방어학회지 38 (4) : 237 ~ 241
[학술대회논문] - Kim, S.H. / 2000 / Nozzle Dam Design Improvement using Composite Material of the Steam Generating Nuclear Power Plants / Proceedings of the Spring Conference of Korean Nuclear Society
[학술지(정기간행물)] - 김성우 / 2012 / An Outlook for Interaction Experience in Next-generation Television / 대한인간공학회지 31 (4) : 557 ~ 565
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UCI(KEPA) : I410-ECN-0101-2018-530-002101648