The United States of America as represented by the United States Department of Energy - Washington DC
International Classification:
G21C 706
US Classification:
176 22
Abstract:
This invention relates to safety means for preventing a gas cooled nuclear reactor from attaining criticality prior to start up in the event the reactor core is immersed in hydrogenous liquid. This is accomplished by coating the inside surface of the reactor coolant channels with a neutral absorbing material that will vaporize at the reactor's operating temperature.
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