IEVref:395-07-31ID:
Language:enStatus: Standard
Term: barrier, <in a nuclear reactor>
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Definition: physical obstruction that prevents or delays the movement of people, radionuclides or some other phenomenon (e.g., fire) or provides shielding against radiation

Note 1 to entry: In a nuclear reactor there are three barriers: clad of a fuel rod, vessel and containment.

Note 2 to entry: This entry was numbered 393-17-57 in IEC 60050-393:2003.


Publication date:2014-03
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