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Integrated Safety and Security Analysis of Nuclear Power Plants Using Dynamic Event Trees by Brian Cohn; Todd Noel; Jeffrey Cardoni; Troy Haskin; Douglas Osborn; Tunc Aldemir is a Engineering article available to read on EtoBox.

What is Integrated Safety and Security Analysis of Nuclear Power Plants Using Dynamic Event Trees about?

Nuclear security relies on the method of vital area identification (VAI) to determine which locations within the nuclear power plant (NPP) need to be protected from radiological sabotage. The VAI methodology uses fault trees (FTs) and event trees (ETs) to identify locations in the NPP that contain vital equipment: structures and components that may result in reactor significant core damage if direct or indirect sabotage occurred. However, the traditional FT/ET process cannot fully capture the dynamics of NPP systems and mitigating measures at play. Existing safety systems or possible operator procedures may be able to avert or mitigate core damage despite the loss of one or more vital areas. Dynamic probabilistic risk assessment (DPRA) methodologies are those that, unlike traditional probabilistic risk assessment, explicitly consider time effects when modeling a system. One common DPRA methodology is that of the use of dynamic event trees (DETs) that drive computer models of a system with user-specified branching conditions to account for uncertainties in a scenario. The DPRA process allows analysts to explore the uncertainties and state space of a scenario in a systematic fashion.

Who reads Integrated Safety and Security Analysis of Nuclear Power Plants Using Dynamic Event Trees?

Author

Brian Cohn; Todd Noel; Jeffrey Cardoni; Troy Haskin; Douglas Osborn; Tunc Aldemir

Publisher

Informa UK Limited

Published

2023

Language

EN

Field

Engineering (Physical Sciences)