Nuclear History

Gas-cooled reactors and Fort St. Vrain

July 21, 2023, 3:04PMNuclear NewsJeremy Hampshire
The National Reactor Testing Station (Photo: DOE)

Gas-cooled reactors have roots that reach way back to the development of early experimental reactors in the United States and Europe. In the United States, early experimental reactors at Oak Ridge and Brookhaven National Laboratories were air-cooled, as were early production reactors known as the “Windscale Piles” in the United Kingdom. Dragon, also located in the United Kingdon and operational from 1965 to 1976, used helium as the coolant and graphite as the moderator.

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