reactor core

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reactor core

n.
The central part of a nuclear reactor where atomic fission occurs.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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In the financial year 1968-69, over half the nuclear reactor core was removed with a new refuelling system designed to change only one-fifth of the core in a year.
A generation is essentially the lifetime of a neutron, in a finite system, the effective multiplication factor is denoted as [k.sub.effective] or [k.sub.eff], which is used to determine the stability of a nuclear reactor core. When a system is critical, it maintains a steady-state chain reaction of nuclear fissioning, and [k.sub.eff] = 1.
It further said that out of the give countries examined, the fuel stock pools are "the Achilles heel of French and Belgian nuclear plants." It was pointed out that the pools that stock spent fuel before it is taken for final processing can contain several tons of radioactive fuel, more than double the amount normally found the a nuclear reactor core. Greenpeace warned that "spent fuels pools are very poorly protected" and could be vulnerable to attack by "an isolated individual or criminal organisation" and it noted that there appeared to be a growing interest being shown here by people with criminal intent and the risk of "a malicious act" is now higher because of the changes in the geopolitical situation.
His work includes the design of a nuclear reactor core, a submarine life-support system, a rifle scope, a periscope, a ship-based helicopter landing system, machine vision systems and laser systems, and the optics for a utility-scale concentrated solar power system.
Whereas, in contrast, the nuclear reactor core contains nuclear fuel and generates heat.
The assessment of nuclear reactor core current state at discrete points in time corresponding to the beginning of the next cycle of control formation is determined by calculating reactivity variation using formula (2).
A meltdown may be defined as extreme overheating of fuel rods in a nuclear reactor core. 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.
No one with even a smidgen of understanding of the nature of nuclear energy can honestly suggest or imply that a nuclear reactor core can explode like a nuclear bomb.
2 nuclear reactor core, to enhance its cooling efficiency.
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