critical reactor

critical reactor

[′krid·ə·kəl rē′ak·tər]
(nucleonics)
A nuclear reactor in which the ratio of moderator to fuel is either subcritical or just critical; used to study the properties of the system and determine critical size.
References in periodicals archive ?
But if the temblor actually caused damage to the critical reactor component, power suppliers across the country might be forced to reconsider the quake resistance designs for their reactors.
But fresh fears were raised when three workers trying to cool the most critical reactor were exposed to radiation levels 10,000 times higher than normally found in a reactor.
The most critical reactor Number 3, which contains highly toxic plutonium, stabilised after fire trucks doused it for hours with hundreds of tonnes of water.
They said they may use helicopters to pour water on the most critical reactor, No.
The workshop in Oman boasts of being the only fabricator manufacturing critical reactors of Cr-Mo-V in the GCC and amongst the 10 companies qualified worldwide.
The Moscow accord will allow the American enterprises Washington Group International and Raytheon Technical Services broad access for shutting down the critical reactors and replacing them with coal-fired heat and electricity plants.
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