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Boiling water reactor reactor pressure vessel.

Boiling water reactor reactor pressure vessel.

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Nuclear power currently provides a significant fraction of the United States non-carbon emitting power generation. In future years, nuclear power must continue to generate a significant portion of the nation's electricity to meet the growing electricity demand, clean energy goals, and ensure energy independence. New reactors will be an essential pa...

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... RPV is the largest single component at a nuclear power plant site and forms the major pressure boundary for an LWR. The pressure vessel for a boiling water reactor (BWR) is shown in Figure 2. Current regulations require RPV steels to maintain conservative margins of fracture toughness so that postulated flaws do not threaten the integrity of the RPV during either normal operation and maintenance cycles or under accident transients, like pressurized thermal shock. ...