reactor core


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reactor core

n.
The central part of a nuclear reactor where atomic fission occurs.
References in periodicals archive ?
In the evening of 17 December, 2017, the last of the 163 fuel assemblies (FAs) was loaded into the reactor core.
4 whose reactor core was empty when the tsunami crashed ashore.
In July 1959, a partial meltdown occurred at Sodium Reactor Experiment in Los Angeles, California, due to cooling flow blockage that caused overheating of the reactor core.
This provided needed experience and data on casting, machining and material characteristics of the reactor core.
So they attached Blu Tack to the end of a long, flexible rod and inserted it nearly 10m into the reactor core - saving the cost of developing a specialist tool for the job.
According to the company, this integration further strengthens the business area for its expanding customer base, by providing a more efficient, broader spectrum of solutions, focused specifically on optimising the fuel cycle, right from design to post operation and reactor core management.
A large volume of water contained in the calandria vault that surrounds the reactor core provides a second passive heat sink, and can further slow down or arrest severe core damage progression.
Whereas, in contrast, the nuclear reactor core contains nuclear fuel and generates heat.
In the case of TMI-2, cooling water flowed out of the reactor core through a valve, referred to as the pilot-operated relief valve, which was stuck in the open position.
Washington, Shawwal 18, 1434, Aug 25, 2013, SPA -- Entergy Corporation's Pilgrim nuclear power plant in Plymouth, Massachusetts remained off line Friday, one day after it was shut down because of a problem with the electrical system that operates the pumps that supply cooling water to the reactor core.
A few months of measurement will reveal the distribution for reactor core fuel and will accelerate the planning and execution of reactor dismantlement, potentially reduce the overall project span by years, reduce overall worker radiation doses, and help Japan and the nuclear power industry in the recovery process from this catastrophic event, Miyadera said.
The new requirements, introduced on July 8, oblige utilities to put in place for the first time specific countermeasures against possible severe accidents like reactor core meltdowns, as well as against huge tsunami -- the direct cause of the nuclear crisis at Tokyo Electric Power Co.

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