Översättning 'neutron moderator' – Ordbok svenska-Engelska

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A major focus of the design of modern fast reactors is on inherent and passive safety. Inherent and passive safety features are especially important when The higher-energy neutrons in a fast reactor can be used to make new fuel or to destroy long-lived wastes from thermal reactors and plutonium from dismantled weapons. BR-5 - research fast neutron reactor at the Institute of Physics and Energy in Obninsk. Years of operation 1959-2002.

Fast neutron reactor

Fast reactors are a class of advanced nuclear reactors that have some key advantages over traditional reactors in safety, sustainability, and waste. While traditional reactors contain moderators to slow down neutrons after they’re emitted, fast reactors keep their neutrons moving quickly (hence the name). A fast-neutron reactor is a versatile and efficient power plant. Coupled with regular recycling of its fuel to remove “ashes” of fission products, it can utilize effectively 100% of its uranium fuel. A fast-neutron reactor can manoeuvre. Fast neutron reactor systems have the potential to extract 60 times more energy from uranium compared to existing thermal reactors, and they contribute to a significant reduction in the burden of A sodium-cooled fast reactor is a fast neutron reactor cooled by liquid sodium.

Principles of Nuclear Power

Various countries, including France, Japan and Russia are continuing research on this sector in the context of studies of fourth generation reactors. The BN-800 fast neutron reactor is designed to use the MOX fuel as one of the stages on to the development of a closed nuclear fuel cycle. The capacity of the Beloyarsk Unit 4 exceeds that of the world’s second most powerful fast reactor – the 560 MW BN-600 Beloyarsk Unit 3.

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There are four general types of fast-neutron reactors: sodium-cooled, lead-cooled, gas-cooled, and molten salt.

fast reactor[¦fast rē′ak·tər] (nucleonics) A nuclear reactor in which most of the fissions are produced by fast neutrons, with little or no moderator to slow down the Chain reaction in a nuclear reactor at a critical state. Slow neutrons strike nuclei of uranium-235, causing the nuclei to fission, or split, and release fast neutrons. The fast neutrons are absorbed or slowed by the nuclei of a graphite moderator, which allows just enough slow neutrons to continue the fission chain reaction at a constant rate.
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C 4229-4262, febr 66. H. Condé, J. Hansén, M. Holmberg.

A fast-neutron reactor can manoeuvre. Fast neutron reactor systems have the potential to extract 60 times more energy from uranium compared to existing thermal reactors, and they contribute to a significant reduction in the burden of A sodium-cooled fast reactor is a fast neutron reactor cooled by liquid sodium.
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fast neutron reactor — Svenska översättning - TechDico

Self-powered neutron detector. Nutida kärnkraft - del 2: Reaktorfysik: neutrontransport ESFR-SMART – European Sodium Fast Reactor Safety Measures Assessment and Rosatom develops fast reactor fuel, launches tender for pyrochemical based on nitride uranium-plutonium fuel for the BREST-OD-300 fast neutron reactor. As there are no reactors or accelerators involved, the STF is an ideal, Thus, the STF is presently capable of measuring the fast-neutron ation" and the heat power in the reactor raises. The period in which the number of. Nuclear fission process. Upon nuclear fission 2-3 fast fission neutrons. av J Wallenius · 2020 — The design of a low-power fast neutron reactor cooled by liquid lead (ELECTRA) is presented.

PDF The discovery of the neutron and its consequences

The core of a fast reactor needs high enrichment (above 10% of fissile material). To reduce the fuel cost effect, it is imperative to employ high ratings. The China Experimental Fast Reactor (CEFR) is China's first fast nuclear reactor, and is located outside Beijing at the China Institute of Atomic Energy.It aims to provide China with fast-reactor design, construction, and operational experience, and will be a key facility for testing and researching components and materials to be used in subsequent fast reactors. Se hela listan på powermag.com The fast-neutron nuclear reactors use so-called breeder reactor technology that enables the use of a wider range of radioactive elements as fuel, thus considerably enlarging the potential stock of nuclear fuel for electricity generation. elsewhere shows that the concept of a fast-neutron reactor with a heavy liquid-metal coolant meets higher safety and fuel supply requirements. Namely these features formed the basis of respective pioneer reactor designs in Russia and later adopted in Europe (ELCY, ALFRED-FALCON, MYRRHA), as well as in the USA, Japan, China and South Korea.

rods with in-vessel neutron detectors in a sodium-cooled fast reactor. Scans of a collimated thermal-neutron beam from a reactor read out using the SoNDe readout electronics is presented in Paper IV. A simulation "Fast-neutron reactor" · Book (Bog). . Väger 250 g. · imusic.se. ”Russian parliament and Kremlin party defends fast-breeder reactors”.