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Tag selected: nuclear.
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Saved by uncleflo on January 17th, 2022.
At the time of the Chernobyl accident, on 26 April 1986, the Soviet Nuclear Power Programme was based mainly upon two types of reactors, the WWER, a pressurised light-water reactor, and the RBMK, a graphite moderated light-water reactor. While the WWER type of reactor was exported to other countries, the RBMK design was restricted to republics within the Soviet Union. The Chernobyl Power Complex, lying about 130 km north of Kiev, Ukraine, and about 20 km south of the border with Belarus (Figure 1), consisted of four nuclear reactors of the RBMK-1000 design, Units 1 and 2 being constructed between 1970 and 1977, while Units 3 and 4 of the same design were completed in 1983 (IA86). Two more RBMK reactors were under construction at the site at the time of the accident. To the South-east of the plant, an artificial lake of some 22 km2 , situated beside the river Pripyat, a tributary of the Dniepr, was constructed to provide cooling water for the reactors.
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Saved by uncleflo on July 14th, 2016.
The nuclear industry of the 1950s was defined by an inexhaustible optimism and rigorous scientific thinking. Anything was possible, and nuclear energy promised to power the world. Revolutionary designs were prolific. Today, however, this technological diversity has been narrowed, and the industry has become locked into one design: the light water reactor. We’re challenging this strategy and have returned to the beginning to explore another path, and another design – the molten salt reactor. This simple reactor design, updated with modern technology and materials, has the potential to revolutionize the nuclear industry.
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Saved by uncleflo on August 4th, 2014.
The amendment and extension of the Mutual Defence Agreement, which was first signed in 1958, is fundamental to the replacement of the Trident nuclear weapons system: allowing for the transfer of information relating to nuclear technology and US-UK collaboration over their nuclear weapons programmes. Yet the British Government has not only denied Parliament the opportunity to discuss it, it will not even disclose the content of the agreement.
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Saved by uncleflo on February 26th, 2014.
Molten salt reactor schematic from GenIVMolten Salt Reactors (MSRs) are nuclear reactors that use a fluid fuel in the form of very hot fluoride or chloride salt instead of the solid fuel used in most reactors. Since the fuel salt is liquid, it can be both the fuel (producing the heat) and the coolant (transporting the heat to the power plant). There are many different types of MSRs, but the most talked about one is definitely the Liquid Fluoride Thorium Reactor (LFTR). This MSR has Thorium and Uranium dissolved in a fluoride salt and can get planet-scale amounts of energy out of our natural resources of Thorium minerals, much like a fast breeder can get large amounts of energy out of our Uranium minerals. There are also fast breeder fluoride MSRs that don’t use Th at all. And there are chloride salt based fast MSRs that are usually studied as nuclear waste-burners due to their extraordinary amount of very fast neutrons.
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