Boiling water reactor
Boiling Water Reactor
A Boiling Water Reactor (BWR) is a type of nuclear reactor that is commonly used for the generation of electrical power. It is the second most common type of electricity-generating nuclear reactor after the pressurized water reactor (PWR).
Pronunciation
- Boiling: /ˈbɔɪ.lɪŋ/
- Water: /ˈwɔː.tər/
- Reactor: /rɪˈæk.tər/
Etymology
The term "Boiling Water Reactor" is a direct description of the reactor's design and operation where water, used as both coolant and neutron moderator, is allowed to boil in the core of the reactor.
Description
In a BWR, the reactor core heats water, which turns to steam and then drives a steam turbine. This steam then drives an electric generator, which produces electricity. The steam is then condensed and returned to the reactor core, completing the loop. The unique aspect of BWR operation is that there is no separate steam generator in the loop, which simplifies the design and operation of the reactor.
Related Terms
- Nuclear fission
- Nuclear power plant
- Nuclear fuel
- Control rod
- Neutron moderator
- Steam turbine
- Electric generator
See Also
External links
- Medical encyclopedia article on Boiling water reactor
- Wikipedia's article - Boiling water reactor
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