pwr

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pwr

A technician monitors the control panel of a PWR in a power plant.

Definition
  1. Noun:
    • A pressurized water reactor: A type of nuclear reactor that uses ordinary water under high pressure as both a coolant to remove heat from the reactor core and as a neutron moderator to sustain the nuclear chain reaction. The heat generated is transferred via a heat exchanger to a secondary circuit where steam is produced to drive a turbine for electricity generation.
Usage
  • PWR is a technical acronym used primarily in the fields of nuclear engineering, energy policy, and related sciences. It is typically written in uppercase letters.
  • It functions as a countable noun.
Examples
  • Noun:
    • The most common type of nuclear reactor in the world is the PWR.
    • The new power plant will feature two PWRs with a combined capacity of 2400 MW.
    • Safety protocols for a PWR are designed to maintain the cooling water under pressure at all times.
Advanced Usage
  • "PWR technology": Refers to the engineering principles and systems specific to pressurized water reactors.
    • The country invested heavily in developing its own PWR technology.
  • As a modifier: PWR is often used adjectivally before other nouns.
    • The PWR design has evolved significantly since its inception.
    • They discussed PWR safety features at the conference.
Variants and Related Words
  • Pressurized Water Reactor: The full, non-acronym form of PWR.
  • BWR (Boiling Water Reactor): A different type of nuclear reactor where water is allowed to boil directly in the core to produce steam.
  • Nuclear reactor: The general category to which a PWR belongs.
  • Coolant: The substance (water, in a PWR) used to remove heat from the reactor core.
  • Moderator: A material (water, in a PWR) used to slow down neutrons to sustain fission.
Synonyms
  • Pressurized water reactor (full term).
  • Light water reactor (LWR): A broader category that includes both PWRs and BWRs, which use ordinary (light) water as opposed to heavy water.
Notes
  • There are no common idioms or phrasal verbs associated with the technical acronym PWR.
pwr

A technician monitors the control panel of a PWR in a power plant.

Noun
  1. a nuclear reactor that uses water as a coolant and moderator; the steam produced can drive a steam turbine

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