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Topic: PWR2 reactor

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	Rolls-Royce PWR - Encyclopedia, History, Geography and Biography (Site not responding. Last check: 2007-10-07)
		PWR2 is the latest nuclear reactor designed to power the Royal Navy's submarines.
		The PWR2 was developed for the Vanguard class Trident missile submarines and is a development of the PWR1.
		The first PWR2 reactor was completed in 1985 with testing beginning in August 1987 at the Ministry of Defence's naval test reactor site at Dounreay, Scotland.
	www.arikah.net /encyclopedia/PWR2_reactor (333 words)

	Astute class submarine - Wikipedia, the free encyclopedia
		Astute-class boats will be powered by a Rolls-Royce PWR2 reactor and fitted with a pump-jet propulsor.
		The PWR2 reactor was developed for Vanguard-class ballistic missile submarines.
		Propulsion: Rolls-Royce PWR2 reactor, Paxman 1900 kilowatt diesel generator
	en.wikipedia.org /wiki/Astute_class_submarine (479 words)

	Rolls-Royce: Marine (Site not responding. Last check: 2007-10-07)
		PWR2 - The first PWR2 core was manufactured in 1985 with testing at Dounreay commencing in August 1987.
		Vulcan is the name given to the naval test reactor site at Dounreay, Scotland, owned by the MOD and operated by Rolls-Royce.
		At Vulcan reactor systems and performance are proved long before the reactor goes to sea.
	www.rolls-royce.com /marine/product/propulsion/submarine/reactor.jsp (289 words)

	Dounreay Nuclear Power Station biography .ms (Site not responding. Last check: 2007-10-07)
		This reactor was used to test the efficiency and safety of the materials that were to be used to fuel the main reactors.
		The second reactor to achieve criticality was the Dounreay Fast Reactor (DFR), which came on-line in November 1959, producing an electrical output of 14 MW.
		The reactor was taken offline in 1994, marking the end of nuclear power generation at the site.
	dounreay-fast-reactor.biography.ms (312 words)

	Dounreay prototype submarine reactor to be refuelled (Site not responding. Last check: 2007-10-07)
		Dounreay prototype submarine reactor to be refuelled (20 Feb 97)
		The Ministry of Defence operates a PWR2 reactor at HMS Vulcan which is adjacent to the large nuclear facility at Dounreay in the North of Scotland.
		This is the prototype of the reactor which is on British Trident submarines.
	www.banthebomb.org /archives/news/970220.htm (155 words)

	Navy News - News Desk - Feature - Vulcan takes on additional role
		The first Naval reactor core assemblies, which powered the early generations of ballistic missile and hunter-killer submarines – including today’s Swiftsure and Trafalgar-class boats – were all put through trials in the DSMP, or Dounreay Submarine Prototype at Vulcan, near Thurso in Caithness.
		Each reactor went to Vulcan to be tested ahead of use in submarines, so that any problems which may have arisen in a particular design would have arisen at Vulcan long before it became a problem in an operational boat.
		The land-based reactor is always at least two years ahead of its sea-going counterparts – in the case of Core A, depletion occurred by 1967, by which time a great deal of experience and useful data had been gathered for operational purposes and for feeding back into the development of new reactors.
	www.navynews.co.uk /articles/2003/0302/1003020401.asp (1229 words)

	PWR Simulator Experiment (1)
		The multiplication approach is used to achieve criticality on a reactor for the first time or when the source range instrument reading is very low.
		The value of H at the intersection is the estimated critical height of the reactor for this step.
		For a sub-critical reactor, the power ratios plotted against the control rod height form a curve, which extrapolates to the critical height.
	www.eng.uc.edu /~abehbaha/htmfiles/rl/pwrsim.html (807 words)

	Trident submarine
		A reactor accident could occur as a consequence of an incident elsewhere on a submarine, or as a result of problems within the reactor itself.
		The integrity of the reactor primary coolant circuit could be affected directly or indirectly from blast damage to the reactor compartment bulkhead, or from impacts on the hull.
		The switchroom is adjacent to the reactor compartment and separated from it by a bulkhead.
	www.adhb32.dsl.pipex.com /trisaf/ch3.htm (6823 words)

	PWR2 reactor (Site not responding. Last check: 2007-10-07)
		The Rolls-Royce Pressurised Water Reactor 2 (PWR2) is the latest nuclear reactor designed to power the Royal Navy 's submarines.
		Rolls-Royce claim that the PWR2 candeliver six times the power of the original PWR2 and last four times as long.
		The first PWR was completed in 1985 with testing beginning in August 1987 at the Ministry of Defence 's naval test reactor site at Dounreay, Scotland.
	www.therfcc.org /pwr2-reactor-251515.html (173 words)

	PWR2 reactor - Encyclopedia Glossary Meaning Explanation PWR2 reactor (Site not responding. Last check: 2007-10-07)
		PWR2 reactor - Encyclopedia Glossary Meaning Explanation PWR2 reactor.
		Here you will find more informations about PWR2 reactor.
		The orginal PWR2 reactor article can be editet
	www.encyclopedia-glossary.com /en/PWR2-reactor.html (235 words)

	N-Base Briefing 76
		A special fast reactor fuel plant was built at Aldermaston as early as the 1960s to manufacture plutonium fuel for Dounreay's two fast reactors.
		An AWE spokesman said the Herald reactor "tested the effects of a simulated nuclear event on various materials used in the construction of warheads." (John O'Groat Journal 8.7.94) He confirmed that the reprocessed HEU belonged to the Ministry of Defence.
		A total of 4.8 tonnes of fast reactor fuel and 2.5 tonnes of research reactor fuel were treated at the plant.
	www.n-base.org.uk /public/briefing/90_99/brief76.htm (2846 words)

	astute subs for faslane (Site not responding. Last check: 2007-10-07)
		The Astute class are powered by the same PWR2 nuclear reactor as the Trident submarines.
		These reactors are designed to operate for more years than the predecessors.
		But stretching the life of the reactor full core means that the effects of a nuclear accident would be more serious.
	www.banthebomb.org /archives/news/2002/May/astute.shtml (200 words)

	Astute class submarine -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-07)
		Astute-class boats will be powered by a (additional info and facts about Rolls-Royce) Rolls-Royce (additional info and facts about PWR2 reactor) PWR2 reactor and fitted with a (additional info and facts about pump-jet) pump-jet propulsor.
		The PWR2 reactor was developed for (additional info and facts about Vanguard-class) Vanguard-class ballistic missile submarines.
		Like all (additional info and facts about Royal Navy) Royal Navy submarines, the sails of the Astute-class boats will be reinforced to allow surfacing through ice caps.
	www.absoluteastronomy.com /encyclopedia/A/As/Astute_class_submarine.htm (618 words)

	MOD TO BUY NEW SUBMARINES IN #2 BILLION CONTRACT
		The performance specification of the Astute Class is similar to that of the updated Trafalgar Class, though they will be powered by the Rolls Royce PWR2 nuclear reactor developed for the Vanguard Class ballistic missile submarines.
		The submarines' reactor cores are designed to last the life of the vessel.
		The Invitation to Tender for the submarines was issued in July 1994 to GEC and VSEL.
	www.fas.org /news/uk/970317-uk.htm (546 words)

	N-Base Briefing 251
		Low-level radioactive waste from the Ministry of Defence's HMS Vulcan nuclear submarine reactor base may be taken to the Drigg dump in Cumbria, near to Sellafield, because there no room in facilities at the adjacent Dounreay complex.
		The reactor at Vulcan is the only one operating at the Caithness complex.
		All the submarines are powered by the PWR1 reactor, developed like the later PWR2 model at HMS Vulcan adjacent to Dounreay.
	www.n-base.org.uk /public/briefing/00_01/brief251.htm (998 words)

	Astute Class Submarines (SSNs)
		The Astute Class will be powered by a Rolls Royce PWR2 nuclear reactor and will also be fitted with a pump jet propulsor.
		However, the major advantage of the PWR is that it is designed to last the lifetime of the submarine, so costly mid life refuels will not be necessary.
		Among the 400 people in attendance at the Devonshire Dockhall were two Second World War submariners - retired Vice Admiral Arthur Heslet DSO, who commanded the T Class submarine Trenchant, and retired Lieutenant Commander Ian Fraser VC, who commanded an X-craft midget submarine responsible for sinking a Japanese cruiser.
	www.btinternet.com /~warship/Today/astute.htm (1055 words)

	N-Base Latest News October 2000
		The executive said that as well as approval from the Scottish Environment Protection Agency the plants and their environmental discharges must also be approved under Article 37 of the Euratom Treaty which relates to the possible international impact of discharges.
		The fuel is an embarrassment to Germany and there is a suggestion it could be transferred to the USA where the Department of Energy is considering using it in a high flux reactor to produce radioactive isotopes for medical use and plutonium for future space missions.
		Last week Shetland MSP Tavish Scott asked Scottish environment minister Sarah Boyack about the future of the fuel and she said that while officials did not know of any plan to ship it to the USA, it was planned to return it to its owners in Germany.
	www.n-base.org.uk /public/latest_links/latest2/stories/1-20oct_2000.html (2661 words)

	LIST OF NUCLEAR REACTORS FACTS, INFORMATIONS AND TRADES (Site not responding. Last check: 2007-10-07)
		List of nuclear reactors is a comprehensive annotated list of all the nuclear_reactors of the world, sorted by country.
		Flamanville - 1 reactor - 1600 MWe, the third reactor in Flamanville will be the first EPR reactor in France.
		Chooz-A - 1 reactor - 310 MWe - first PWR reactor in Europe (1967), managed by SENA (''SociÃ©tÃ© dâÃ©nergie nuclÃ©aire franco-belge des Ardennes'').
	furtrade.com /List_of_nuclear_reactors#Germany (1294 words)

	Encyclopedia: Rolls Royce-plc
		Kamewa is a Swedish company which was acquired by the British Vickers group in 1986.
		Jump to: navigation, search The Rolls-Royce pressurised water reactor (PWR) series has powered British nuclear submarines since the Valiant class, commissioned in 1966.
		Vanguard SSBN The Rolls-Royce Pressurised Water Reactor 2 (PWR2) is the latest nuclear reactor designed to power the Royal Navys submarines.
	www.nationmaster.com /encyclopedia/Rolls-Royce_plc (3074 words)

	Rolls-Royce: Media Room
		Even with necessary the stringent quality and performance testing, the time taken to manufacture and deliver the PWR2 reactor pressure vessel (RPV) was significantly reduced.
		The RPV houses the reactor core, also made by Rolls-Royce in Derby, and is the heart of the nuclear steam raising plant Rolls-Royce is supplying for Astute and her two sisters, Ambush and Artful, under a fixed price contract with BAE SYSTEMS.
		However, Astute will be fitted with the new long-life core, which powers the submarine for its full service life and eliminates costly reactor refuelling.
	www.rolls-royce.com /media/showPR.jsp?PR_ID=996 (258 words)

	Astute class submarine: Definition and Links by Encyclopedian.com - All about Astute class submarine
		Under the Smart Acquisition programme, the Astute class is expected to be built roughly one-fifth more quickly than earlier boats, with lower running costs and a much smaller ship’s company.
		Armament: six 21-inch torpedo tubes, 38 Spearfish torpedos, AGM-84 Harpoon and Tomahawk Block III cruise missiles, naval mines[?]
		Propulsion: Rolls-Royce PWR-2 reactor[?], Paxman 1900-kilowatt diesel generator
	www.encyclopedian.com /as/Astute-class-submarine.html (474 words)

	61 . 60s . 57 . Iceni . Hispania Tarraconensis
		The Roman pantheon quickly absorbed native deities through identification Melqart became Hercules, for example, having long been taken by the Greeks as a variant of their Heracles.
		PWR2 reactor Astute class submarine Vanguard class submarine...
		Kvik/Halden F.K. a Norway Norwegian Football soccer Football club, founded June 19th, 1906.
	www.uk.kunsimuna.net /61 (218 words)

	Submarine Heritage Centre - Vanguard Class (Site not responding. Last check: 2007-10-07)
		A deal was struck with the U.S. Department of Defence, whereby the Royal Navy would lease the missiles and the Fire Control Systems, and have use of the U.S. Navy's facilities at Kings Bay, Georgia to support the system - a very big saving.
		Vanguard was the first nuclear submarine to have the new PWR 2 Reactor fitted.
		The Trident submarines are the largest submarines ever to be built for the Royal Navy.
	www.submarineheritage.com /vanguard_gallery_pftxt.html (245 words)

	Astute (Site not responding. Last check: 2007-10-07)
		The reliable and proven PWR2 pressurized water nuclear reactor, equipped with Core H, will be provided to Astute-class submarines.
		Core H will fuel the reactor for the submarine's full service life, ending the need for costly reactor refueling.
		Vanguard-class submarines are currently powered by the PWR2 reactor.
	www.deagel.com /pandora?p=pm00174001 (274 words)

	Trelleborg Industrial AVS (Site not responding. Last check: 2007-10-07)
		It is capable of a nominal static deflection of 23mm and up to 50mm shock excursions in any direction.
		The 7200 tonne Astute Class submarines will each be powered by one PWR2 pressurized water reactor linked to a geared turbine drive and pump jet propulsion to achieve a submerged speed of approximately 30 knots.
		The nuclear reactor never needs to be refueled and will provide all the power the submarines need for a lifetime.
	www.trelleborg.com /industrialavs/template/T014.asp?action=Printerfriendly&id=562 (450 words)

	Trident reactor at Dounreay (Site not responding. Last check: 2007-10-07)
		There is a prototype of the reactor used to power British Trident nuclear submarines at Dounreay.
		It is identical to the reactors used on submarines and is called the PWR2.
		This is a British design developed from an early US Westinghouse submarine reactor design.
	www.adhb32.dsl.pipex.com /power/vulcan.htm (91 words)

	Science Fresh : Article 'List of nuclear reactors' (Site not responding. Last check: 2007-10-07)
		List of nuclear reactors is a comprehensive annotated list of all the nuclear reactors of the world, sorted by country.
		Former GDR nuclear plant in Greifswald (Greifswald-1 to Greifswald-4, and the not finished Greifswald-5 reactor)
		CONSORT reactor, Imperial College London, Silwood Park campus, Ascot, Berkshire
	www.sci-fresh.net /DisplayArticleFull309872.html (822 words)

	House of Commons - Defence - Written Evidence
		The Astute Class of Submarines (formerly known as the Batch 2 Trafalgar Class) are a derivative of the Trafalgar Class nuclear powered attack submarines (SSNs), incorporating the Swiftsure and Trafalgar Class Update tactical weapon system capability and the nuclear reactor based on the Pressurised Water Reactor 2 (PWR2) design deployed in Trident SSBNs.
		Ministerial approval was given in December 1993 for a prime contract to design and build three submarines with options for a further two.
		Availability will also be improved by the Vanguard Class reactor plant, which will be fuelled for life and hence lead to cost savings.
	www.parliament.the-stationery-office.co.uk /pa/cm200203/cmselect/cmdfence/694/694we10.htm (3685 words)

	Vanguard (Site not responding. Last check: 2007-10-07)
		The Vanguard-class ballistic submarines (SSBN) provide the United Kingdom strategic nuclear deterrent.
		These submarines are powered by a single PWR2 nuclear reactor.
		They are armed with 16 Trident II ballistic missiles carrying up to 12 nuclear warheads (NWH), nevertheless typically they carry only 6 NHWs.
	www.deagel.com /pandora?p=pm00176001 (160 words)

	Technology and the Future of Humanity - Introduction
		Prototype design of the ITER experimental fusion reactor.
		We are surrounded by the ubiquitous consequences of Moore’s Law, an apparently endless string of technological advancements.
		Use the menu to your left to navigate between different pages.
	cgi.stanford.edu /~dingting/cgi-bin/technology/index.php (230 words)

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