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KMID : 0371819970290050368
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Nuclear Engineering and Technology
1997 Volume.29 No. 5 p.368 ~ p.374
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The Evaluation of Accident Management Strategy Involving Operator Action
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Kim Jaewhan
Ha Jaejoo
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Abstract
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This paper presents a new approach to the evaluation of an accident management strategy when an operator action is involved. This approach classifies the failure in implementing a given strategy into 4 possible mechanisms, and provides their corresponding quantification methods : 1) the failure to formulate correct intention by operators, 2) the failure to take an adequate action following a correct diagnosis, 3) the failure of a system operation following an adequate action, and 4) the failure due to a delayed action. The proposed method was applied to assess a cavity flooding strategy that uses containment spray system (CSS), and the result shows that the method is more appropriate in evaluating accident management strategies when human action is involved.
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