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单词 containment building
释义

containment building


containment building

[kən′tān·mənt ‚bil·diŋ] (nucleonics) A steel-reinforced concrete dome built over a nuclear reactor to trap radioactive vapors that might otherwise be released into the enviroment during a nuclear accident.

Containment Building


A steel or reinforced concrete structure enclosing a nuclear reactor which is designed to, in any emergency, contain the escape of radiation to a maximum pressure in the range of 60 to 200 psi (410 to 1400 kPa), and which is the final barrier to radioactive release: the 1st being the fuel ceramic itself, the 2nd, the metal fuel cladding tubes, the 3rd, the reactor vessel and coolant system
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更新时间:2024/12/22 22:10:33