Multi-state system in a fault tree analsis of a nuclear based thermochemical hydrogen plant
Date
2008-07-01
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Abstract
Nuclear-based hydrogen generation is a promising way to supply hydrogen for this large market in the future. This thesis focuses on one of the most promising methods, a thermochemical Cu-Cl cycle, which is currently under development by UOIT, Atomic Energy of Canada Limited (AECL) and the Argonne National Laboratory (ANL).
The safety issues of the Cu-Cl cycle are addressed in this thesis. An investigation of major accident scenarios shows that potential tragedies can be avoided with effective risk analysis and safety management programs. As a powerful and systematic tool, fault tree analysis (FTA) is adapted to the particular needs of the Cu-Cl system. This thesis develops a new method that combines FTA with a reliability analysis tool, multi-state system (MSS), to improve the accuracy of FTA and also improve system reliability.
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Keywords
hydrogen plants, thermochemical CuCI cycle, nuclear-based hydrogen generation, Cu-CI - - safety management, fault tree analysis, Cu-CI - - risk analysis