Abstract

Severe accident management can be defined as the use of existing and alternative resources, systems, and actions to prevent or mitigate a core-melt accident in nuclear power plants. RIMO (Risk Meter for Operators), developed for training control room staff and the technical group, is introduced in this paper. The RIMO is composed of phenomenological knowledge base (KB), accident sequence KB and accident management procedures with AM strategy control diagrams and information needs. Also, RIMO-web program supports MACCS calculation, which is a representative computer code for Level 3 PSA analysis. This RIMO might contribute to training them by providing phenomenological knowledge of severe accident, understanding plant vulnerabilities, evaluating risk and solving problems under high stress.

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