Dragon reactor
Dragon was an experimental high temperature gas-cooled reactor at Winfrith in Dorset, England, operated by the United Kingdom Atomic Energy Authority (UKAEA). Its purpose was to test fuel and materials for the European High Temperature Reactor programme, which was exploring the use of tristructural-isotropic (TRISO) fuel and gas cooling for future high-efficiency reactor designs. The project was built and managed as an Organisation for Economic Co-operation and Development/Nuclear Energy Agency international project. In total, 13 countries were involved in its design and operation during the project lifetime. Originally conceived as a small research reactor, during the design phase it grew larger. The choice of helium coolant was made after a long debate within the UKAEA between proponents of helium and carbon dioxide, with helium ultimately selected. Groundbreaking occurred in 1960. It operated from 1965 to 1976, and is generally considered extremely successful. Dragon's construction was followed by similar work in the US, leading ultimately to the much larger Fort Saint Vrain Nuclear Power Plant. This suffered from a number of problems due to corrosion and the customer soured on the design. Contracts for similar models in the US that were being signed were cancelled, and although Dragon suffered none of these issues, no orders were forthcoming in Europe either. By this time the market had largely standardized on the pressurized water reactor (PWR) for the large buildout that occurred during the 1970s and 80s, and the decision was made to shut down Dragon. As of 2023, Dragon is being decommissioned.
Excerpt from the Wikipedia article Dragon reactor (License: CC BY-SA 3.0, Authors, Images).Dragon reactor
Gatemore Road,
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Latitude | Longitude |
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N 50.684 ° | E -2.2694 ° |
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Gatemore Road
DT2 8WG , Winfrith Newburgh
England, United Kingdom
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