Fire Risk Analysis for Nuclear Power Plants: Methodological Developments and Applications
- 1 March 1985
- journal article
- Published by Wiley in Risk Analysis
- Vol. 5 (1) , 33-51
- https://doi.org/10.1111/j.1539-6924.1985.tb00150.x
Abstract
A methodology to quantify the risk from fires in nuclear power plants is described. This methodology combines engineering judgment, statistical evidence, fire phenomenology, and plant system analysis. It can be divided into two major parts: (1) fire scenario identification and quantification, and (2) analysis of the impact on plant safety. This article primarily concentrates on the first part. Statistical analysis of fire occurrence data is used to establish the likelihood of ignition. The temporal behaviors of the two competing phenomena, fire propagation and fire detection and suppression, are studied and their characteristic times are compared. Severity measures are used to further specialize the frequency of the fire scenario. The methodology is applied to a switchgear room of a nuclear power plant.Keywords
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