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KMID : 0371819960280060551
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Nuclear Engineering and Technology
1996 Volume.28 No. 6 p.551 ~ p.562
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Information Needs and instrument Availability for Accident Management : Application to YGN 3&4
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Jaewhan Kim
Rae Jun Park/and Kune Yull Suh
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Abstract
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This paper introduces the five-step methodology for identifying information needs and assessing instrument availability during the course of severe accidents in nuclear power plants. The methodology is applied to the Yonggwang (YGN) 3&4 to shed light on accident management. It constructs three safety objective trees to prevent the reactor vessel failure, to prevent the containment failure, and to mitigate the fission product release from the containment. The study assesses information needs and instrument availability under severe conditions for preventing the reactor vessel failure of YGN 3&4, and recommends additional instrument that m8y prove to be of vital importance in managing the accident.
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