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Topic: Research reactor


  
  Nuclear reactor - Wikipedia, the free encyclopedia
A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate (as opposed to a nuclear bomb, in which the chain reaction occurs in a fraction of a second and is completely uncontrolled).
Research reactors are used for radioisotope production and for beamline experiments with free neutrons.
The fraction of the reactor's fuel core replaced during refueling is typically one-fourth for a boiling-water reactor and one-third for a pressurized-water reactor.
en.wikipedia.org /wiki/Nuclear_reactor   (3576 words)

  
 nuclear reactor — FactMonster.com
Reactors can be used for research or for power production.
A research reactor is designed to produce various beams of radiation for experimental application; the heat produced is a waste product and is dissipated as efficiently as possible.
In a power reactor the heat produced is of primary importance for use in driving conventional heat engines; the beams of radiation are controlled by shielding.
www.factmonster.com /ce6/sci/A0836137.html   (158 words)

  
 ScienceDaily: Engineers Take Page Out Of Nature's Playbook
Designing complex systems such as nuclear reactors for space applications is a daunting task, but Oak Ridge National Laboratory researchers have made it less so by borrowing from nature.
Qualls noted that these are areas for which ORNL has established a long tradition of excellence and continues to play a key role in the nation's efforts to develop nuclear reactors for the space program and commercial nuclear reactors.
New Fuel Improves Proliferation Resistance Of Research Reactors (December 28, 2000) -- A new nuclear fuel that will soon allow almost every research reactor in the world to convert to proliferation-resistant fuel is being developed by Argonne's Reduced Enrichment for Research and Test...
www.sciencedaily.com /releases/2006/05/060511082431.htm   (1951 words)

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