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 ?
not conducting tests to authenticate the reliability of critical reactor control data transmitted through signal cables which were incorporated as an after-thought (obviously due to technical and managerial incompetence) by breaking the concrete containment structure.
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.
For example, he said, at one facility earlier this year, the NRC discovered employees failed to monitor critical reactor parameters or to adequately communicate important information about plant status.
Once the NRC qualifies this new fuel, it will be used to convert some of the most innovative and critical reactors in the United States.
Atlas Copco's contract involved the opening and tightening of the inlet and outlet flanges of critical reactors at a major refinery project, while in the second, engineers were responsible for the loosening and tightening of bolted joints of heat exchangers, pressure vessels and piping joints.
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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