The Event Tree For A Fictitious Safety System In A Natural Gas Reactor Is Designed To Prevent Damage From Hydrogen Rel 1 (43.82 KiB) Viewed 115 times
The Event Tree For A Fictitious Safety System In A Natural Gas Reactor Is Designed To Prevent Damage From Hydrogen Rel 2 (51.04 KiB) Viewed 115 times
The event tree for a (fictitious) safety system in a natural gas reactor is designed to prevent damage from hydrogen released due to a rupture or leakage. The possible outcomes are: • An explosion • A jet fire • A flash fire • Gas released harmlessly Given the Event Tree below and the values associated with each event, what is the probability that there is a Flash Fire once the initiating event has occurred? Give the answer to 4 decimal places. Event Probability of "Yes" to event occurring 0.013 0.015 Instantaneous release Immediate ignition Delayed ignition Explosion of fire 0.03 0.058
Initiating Event Instantaneous release Immediate ignition Delayed ignition Explosion or fire Incident Outcome YES Explosion YES NO Jet fire YIS YES Explosion YES NO Hash fire NO NO Gas release (Harmless) Hydrogen Release (Leakage /Rupture) YES Flash fire NO YES Explosion YES NO Gas release (Harmless) NO NO Gas release (Harmless)
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