Therefore any further nuclear power generation is possible only with imported uranium or imported reactors or by indigenous development of FBR/Thorium cycle reactors. of steam generator transfers its heat to feed water. (BS) Developed by Therithal info, Chennai. The secondary coolant while flowing through the tubes Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail. Water would act as such a moderator and therefore it cannot be used. Privacy Policy 8. Prohibited Content 3. The research and Like It has very low absorption Abstract. does not react on any of the structural materials used in primary circuits. Breeder reactors achieve this because their neutron economy is high enough to create more fissile fuel than they use, by irradiation of a fertile material, such as uranium-238 or thorium-232 that is loaded into the reactor along with fissile fuel. A breeder reactor is a nuclear reactor that generates more fissile material than it consumes. fast breeder reactor Nuclear reactor which uses fast neutrons to convert uranium to plutonium and which creates more fuel than it uses. The plutonium-239 breeder reactor is commonly called a fast breeder reactor, and the cooling and heat transfer is done by a liquid metal. A Nuclear Reactor that produces (Breeds) the some kind of fissile material as it burns is called breeder reactor. Figure 2. The reactor uses a plutonium-uranium mixed carbide fuel and liquid sodium as a coolant. breeder reactors are better than conventional reactors both from the point of For a uranium scarce country like India, it … Thus this reactor is important because it breeds fissionable material 3. The traveling wave reactor (TWR) proposed in a patent by Intellectual Ventures is a fast breeder reactor designed to not need fuel reprocessing during the decades-long lifetime of the reactor. Liquid sodium is used as primary coolant when circulated through the • A fast breeder reactor can convert Uranium-238 into Plutonium-239 at a rate faster than it consumes its fuel (mixture of U-235 plus Pu-239) • By repeated recycling of the fuel, it should be realistically possible to exploit 50% of the fuel value of the uranium feed • This means that fast reactors could extend the The Russian BN-600 fast breeder reactor – Beloyarsk unit 3 of 600 MWe gross, 560 MWe net – has been supplying electricity to the grid since 1980 and is said to have the best operating and production record of all Russia's nuclear power units. Fast Breeder Reactors: An Engineering Introduction is an introductory text to fast breeder reactors and covers topics ranging from reactor physics and design to engineering and safety considerations. into fissionable material Pu239 which is capable of sustaining chain Content Filtrations 6. Japan’s prototype fast reactor, Monju, experienced a major sodium-air fire. In this reactor no moderator is used. properties at high temperature and low pressure. Department of Atomic Energy has established a new Public Sector Undertaking named bhavin, under Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam and Nuclear Power Corporation of India Limited, bhavin is engaged in the construction of 500 MW Prototype Fast Breeder Reactor to be commissioned at Kalpakkam. Reactor fuels, coolant circuits, steam plants, and control systems are also discussed. circuits. are used for Fast Breeder Reactors. its excess plutonium production) and hence its doubling time, by altering some of the basic core parameters. The Experimental Breeder Reactor I, EBR-I, in the Idaho desert turned into a museum. Using the experience gained from the operation of the FBTR, a 500 MWe Prototype Fast Breeder Reactor is in advanced stage of construction at Kalpakkam. Construction of the only other commercial fast breeder reactor in the U.S., the Clinch River plant in Tennessee, was halted in 1983 when Congress cut funding. Advantages and Disadvantages of Nuclear Power Plant, Construction and working principle of Boiling Water Reactor (BWR), Heavy Water Cooled Reactor (HWR) (or) CANDU, Advantages and disadvantages of HWR (or) CANDU type Reactor, Safety Measures carried out in Nuclear Power Plant, Important Questions and Answers: Diesel,Gas Tubine and Combined Cycle Power Plants, Open and closed cycle gas turbine power plant, Working of gas turbine cycle with Regenerator. Fast breeders do not require moderationsince the neutrons need to be moving fast, whereas thermal breeders make us of moderation to achieve slower-moving neutrons. India has a unique resource imbalance as far as nuclear fuel is concerned. Disclaimer 9. These reactors produce more fuel than what they consume. They generate electricity and build up fuel inventory. Utilization of thorium fuel in fast breeder reactors has a distinct advantage, namely the reduction in the positive sodium void coefficient, which has very favorable implications for the licensing of the liquid metal fast breeder reactors (LMFBRs). These reactors produce more fuel than what they consume. It fission of U235 are absorbed by U238 which gets converted sodium potassium alloy. Its thermal power is 3000 MW, while the electrical power is 1180 MW (this corresponds to an efficiency of 39%). They generate electricity and build up fuel inventory. Fast breeder reactors. France is the only country in the world ever to operate a commercial scale (1,200 MWe) sodium cooled, plutonium fuelled fast breeder reactor, the Superphénix at Creys-Malville. A chain reaction is set up in which 238 U, with an initial charge of 239 Pu to begin the fission process, discards fast neutrons each of which induces fission in another nucleus. In this tubes of intermediate heat exchange transfers its heat to secondary coolant Breeder reactors are capable of producing more fissile material than they consume during the fission chain reaction (by converting fertile U-238 to Pu-239, or Th-232 to U-233). Figure shows a fast breeder reactor system. It possesses good heat transfer cross-sectional area. thorium and the finite limits of its uranium resources. A fast SCWR could be a breeder reactor, like the proposed Clean And Environmentally Safe Advanced Reactor. fast breeder reactor becomes inescapable in view of the massive reserves of A fast breeder reactor is a small vessel in which the required quantity (correspond­ing to critical mass) of enriched uranium or plutonium is kept without a moderator. view of safety and thermal efficiency. 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