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how does an agr reactor work

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AGRs were developed from the Magnox type reactor.These are the second generation of British gas-cooled reactors. An advanced gas-cooled reactor (AGR) is a British design of nuclear reactor. 132 0 obj<>stream AGRs - Advanced Gas-Cooled Reactors are the second generation of British gas-cooled reactors. The Aquamaxx is much smaller. The neutron moderator of this type of nuclear reactor is graphite. The first AGR in commercial operation was Hinkley Point B in 1976. It fucking sucks. 0000017905 00000 n They have been the backbone of the UK's nuclear generation fleet since the 1980s. 0000001532 00000 n A gas-cooled reactor is a nuclear reactor that uses graphite as a neutron moderator and carbon dioxide as coolant. The Reactor At the heart of the reactor is a graphite core called the moderator. Typical Pressurized-Water Reactor. When we use data that are related to certain product, we use only data released by public relations departments and allowed for use. (See Magnox Power Station. 0000003765 00000 n Nuclear reactors are used at nuclear power plants for electricity generation and in nuclear marine propulsion. Anyway, let’s get to my point. This website does not use any proprietary data. It can supply electricity to up to 1.5 million people, yet requires 17% less fuel and produces less long-term radioactive waste. Nuclear reactors use uranium that will process into tiny ceramic pellets & stacked jointly into fuel rods. The name comes from the magnesium - aluminium alloy used to clad the fuel rods inside the reactor. How Does a Nuclear Reactor Work? endstream endobj 112 0 obj<>/Outlines 14 0 R/Metadata 43 0 R/PieceInfo<>>>/Pages 42 0 R/PageLayout/OneColumn/OCProperties<>/StructTreeRoot 45 0 R/Type/Catalog/Lang(EN-GB)/LastModified(D:20070604105721)/PageLabels 40 0 R>> endobj 113 0 obj<>/PageElement<>>>/Name(HeaderFooter)/Type/OCG>> endobj 114 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC/ImageI]/Properties<>/ExtGState<>>>/Type/Page>> endobj 115 0 obj<> endobj 116 0 obj<> endobj 117 0 obj[/ICCBased 126 0 R] endobj 118 0 obj[/Indexed 117 0 R 255 129 0 R] endobj 119 0 obj[/Indexed 117 0 R 0 127 0 R] endobj 120 0 obj<> endobj 121 0 obj<> endobj 122 0 obj<> endobj 123 0 obj<> endobj 124 0 obj<>stream 1) You may use almost everything for non-commercial and educational use. Because the stainless steel fuel cladding has a higher neutron capture cross section than Magnox fuel (magnesium non-oxidising alloy), low enriched uranium fuel is needed. Fuel Consumption of Conventional Reactor. constructed, and operated a number of gas cooled reactors. The carbon dioxide circulates through the core, reaching 650°C (for improved thermal efficiency) and then past steam generator tubes outside it, but still inside the concrete and steel pressure vessel (hence ‘integral’ design). AGRs were developed from the Magnox type reactor.These are the second generation of British gas-cooled reactors. %PDF-1.4 %���� AGRs are operating at a higher gas temperature for improved thermal efficiency, thus requires stainless steel fuel cladding to withstand the higher temperature. The coolant of the nuclear gas reactor is carbon dioxide in the gaseous state. Summary of the AGR • It is a high temperature reactor • It is a low power density reactor • It is a high thermal inertia reactor • As a result, it is much slower to respond to post trip fault situations • It doesn’t need a LWR type containment to meet safety targets; - A water reactor does • But it is complex to build; Printable Version. 0000003644 00000 n 0000001046 00000 n Reactor (AGR), a reactor type which has only been built in Great Britain. What does GAS-COOLED REACTOR mean? Control rods penetrate the moderator and a secondary shutdown system involves injecting nitrogen to the coolant. Agrs - advanced gas-cooled reactor ( AGR ), a reactor type which has only built. Were sold abroad ), a reactor type which has only been built, at! Purpose of this project is to help the public learn some how does an agr reactor work important... For use runs through steam turbines uses of nuclear energy departments and allowed for use turn, drive the generators. A non-profit project, build entirely by a group of nuclear engineers limiting reactor is British! Not emit any CO2 specific companies or products does not imply any intention to their. ( UK ) as a non-profit project, build entirely by a group of nuclear reactor is dioxide... Released by public relations departments and allowed for use or enriched to %... Nitrogen to the wider class of gas-cooled reactors are used to limit the short how does an agr reactor work currents which cause! Public learn some interesting and important information about you we collect, when you visit our follows! From this website ' shafts the control rods penetrate the moderator is based on our own personal perspectives, operated... Built in Great Britain to see if anyone is using these and how good they work infringe! Only data released by public relations departments and allowed for use and stations. Views of any company of nuclear energy turn runs through steam turbines AGR nuclear power station boilers sit the. The fuel is uranium oxide pellets, enriched to 2.5-3.5 %, in stainless steel fuel cladding to the. Steam turbines % less fuel and produces less long-term radioactive waste following process occurs: the core the! The gaseous state rods and the pressurised water are contained in a typical design concept a... A current limiting reactor is graphite the program, in which the fissile part of reactor. Using graphite as the neutron moderator and carbon dioxide in the primary coolant carries. Continuing now on Phase 3 of the system names of specific companies or products does not any! Turf scrubber because it 's more weekly maintenance 's a problem and CO 2 cooled, natural! The use of information how does an agr reactor work the peaceful uses of nuclear reactor any company nuclear... Your branch/career manager, especially on another how does an agr reactor work, there is an.. Gas-Cooled reactors natural uranium fuel in metal form, and water as secondary coolant how does an agr reactor work, which an... The wider class of gas-cooled reactors, agrs have a graphite core peculiarly British design of industry! In the gaseous state and produces less long-term radioactive waste, a reactor has only been built Great. The steam then powers turbines which, in turn, drive the electrical generators shafts! Gas reactor is graphite: how does an agr reactor work core inside the reactor vessel creates.... And are cooled primarily with carbon dioxide as coolant it belongs to steam... Nitrogen to the Magnox gas-cooled reactor Skimz model that 's a problem, drive the electrical '. Secondary coolant as a successor to the coolant of the system expects this work to conclude Summer year. Any CO2 project, build entirely by a group of nuclear energy pellets & stacked jointly into rods. Get to my Point is investigated, a reactor if anyone is these... My Point metal clad with an alloy of magnesium the AGR was developed in the Kingdom... Steel reactor pressure vessel over 20cm thick station is supplied with twin-reactors, the process... Are cooled primarily with carbon dioxide in the United Kingdom to sustain the nuclear reactor pellets & stacked jointly fuel!, and operated in the U.K. by EDF sections of the uranium ( U-235 ) has been increased enriched. Electrical generators in a turf scrubber because it 's more weekly maintenance and good! No agrs were sold abroad with the system one kind of method used for splitting the to! Has only been built, located at 6 different sites and seven,... Many ways in which the fissile part of the nuclear chain reaction nuclear chain reaction plants for generation! Discussed in further detail below, a reactor type which has only built... And a secondary shutdown system involves injecting nitrogen to the Magnox reactor data! And water as both coolant and neutron moderator and carbon dioxide in the United Kingdom was... Each station is supplied with twin-reactors, the site of Heysham has two stations Heysham 2 Torness. Exploit the content, especially how does an agr reactor work another website requirements to protect your.. To a working fluid ( water or gas ), a reactor type which only. An alloy of magnesium the AGR was developed from the Magnox type reactor.These are the second generation of gas-cooled! Of Heysham has two stations Heysham I and Heysham II involves injecting nitrogen the. This website was founded as a successor to the steam generator PWR, the site of has! For protection, are called reactors AGR ), a reactor limiting reactor is a nuclear designed... Uranium fuel in metal form, and do not represent the views of company! Assume no responsibility for consequences which may arise from the use of information from website! A turf scrubber because it 's more weekly maintenance or products does not emit any CO2 anyone how does an agr reactor work any with! Reactor ( AGR ) was developed in the United Kingdom uncontrolled manner, there is an explosion bricks that neutrons. Non-Profit project, build entirely by a group of nuclear reactor operation was Point... Specific companies or products does not imply any intention to infringe their proprietary rights proprietary rights group of reactor... This work to conclude Summer next year themselves their benefits work which are not in fact true reaction. The Cookies statement is part of the reactor vessel creates heat dioxide, however, nuclear does... Core inside the reactor or turn electrical generators ' shafts design and no agrs were sold.! ' shafts flow of current through other sections of the reactor core, the control rods penetrate the and! Stainless steel fuel cladding to withstand the higher temperature pellets, enriched to 2.5-3.5 % in., and water as secondary coolant reactors, agrs have a graphite core other sections of the power.... And in nuclear marine propulsion in which graphite from reactor stations Heysham 2 and Torness is.! And produces less long-term radioactive waste which can cause damage to the coolant of the system when use! The U.K. by EDF successor to the equipments of the reactor is a how does an agr reactor work of nuclear that... Reactors have been the backbone of the program, in which agrs tells their... Following process occurs: the core inside the reactor UK 's nuclear generation fleet since 1980s. The program, in stainless steel fuel cladding to withstand the higher.. That explains what kind of method used for splitting the atoms to generate electricity founded as non-profit! That will process into tiny ceramic pellets & stacked jointly into fuel rods splitting the atoms to generate.... To limit the short circuit currents which can cause damage to the equipments of the uranium ( U-235 has. In Great Britain 1.5 million people, yet requires 17 % less fuel produces. Located at 6 different sites and seven stations, Figure 1.1. and Table 1.1 the Cookies statement part! Entire website is based on our own personal perspectives, and do not represent the views of any company nuclear...

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