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pressurized-water reactor
noun
- a nuclear reactor using water as coolant and moderator at a pressure that is too high to allow boiling to take place inside the reactor. The fuel is enriched uranium oxide cased in zirconium PWR
Example Sentences
The long delays and cost overruns that have dogged the huge Flamanville-3 project, a state of the art pressurized-water reactor designed to produce 1,600 megawatts of energy, are emblematic of wider technical, logistical and cost challenges facing an expansion.
He calls the US project to build an early pressurized-water reactor in the 1950s “a godsend”; by 1954, he claims, “it was already competitive with non-nuclear power in Western Europe and Japan”.
Plus, new pressurized-water reactor designs currently under construction in Georgia, known as the AP-1000, incorporate so-called passive safety features, including enough water to cool a reactor for three days in the absence of any human action.
That modeling took two representative nuclear power plants in the U.S.—a pressurized-water reactor from the Surry Power Station in Virginia and a boiling-water reactor from Peach Bottom Atomic Power Station in Pennsylvania—and attempted to assess what would happen in a severe accident, such as the loss of all electric power as a result of an earthquake, among other scenarios.
A combination would give Hitachi, which makes boiling-water reactors, access to Mitsubishi Heavy's pressurized-water reactor technology, which has become the technology of choice for countries around the world.
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