A reactor pressure vessel (RPV) in a nuclear power plant is the pressure vessel containing the nuclear reactor coolant, core shroud, and the reactor core...
21 KB (2,659 words) - 14:01, 21 June 2024
pumped under high pressure to the reactor core where it is heated by the energy released by the fission of atoms. The heated, high pressure water then flows...
33 KB (4,296 words) - 20:58, 11 June 2024
Feedwater from the feedwater heaters enters the reactor pressure vessel (RPV) through nozzles high on the vessel, well above the top of the nuclear fuel assemblies...
52 KB (7,179 words) - 01:53, 19 August 2024
Nuclear meltdown (redirect from Reactor meltdown)
headed by W. K. Ergen. Some fear that a molten reactor core could penetrate the reactor pressure vessel and containment structure and burn downwards to...
57 KB (7,631 words) - 10:55, 16 August 2024
affected parts of the reactor, products of their chemical reaction with air, water, steam, and in the event that the reactor vessel is breached, molten...
45 KB (5,711 words) - 16:47, 1 April 2024
A pressure vessel is a container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. Construction methods...
48 KB (6,196 words) - 12:25, 4 August 2024
Pressurized water reactors (PWR) [moderator: high-pressure water; coolant: high-pressure water] These reactors use a pressure vessel to contain the nuclear...
98 KB (11,435 words) - 23:52, 30 August 2024
The ASME Boiler & Pressure Vessel Code (BPVC) is an American Society of Mechanical Engineers (ASME) standard that regulates the design and construction...
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in pressurized water reactor designs). The actuation of these valves depressurizes the reactor vessel and allows lower pressure coolant injection systems...
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(NSSS – the reactor pressure vessel, pumps, and water/steam piping within the containment) if some event occurs that could result in the reactor entering...
53 KB (8,101 words) - 06:22, 3 August 2024
simultaneously reducing overall reactor cost. It also uses natural circulation to drive coolant flow within the reactor pressure vessel (RPV); this results in...
13 KB (1,406 words) - 09:43, 26 May 2024
supercritical water reactor (SCWR) is a concept Generation IV reactor, designed as a light water reactor (LWR) that operates at supercritical pressure (i.e. greater...
21 KB (2,549 words) - 17:18, 30 August 2024
RBMK (redirect from Light water graphite-moderated reactor)
1970s, the other being the VVER reactor. The name refers to its design where instead of a large steel pressure vessel surrounding the entire core, the...
96 KB (10,927 words) - 13:37, 19 August 2024
neutron bombardment, though the reactor vessel is. A low-pressure MSR does not require an expensive, steel core containment vessel, piping, and safety equipment...
79 KB (9,078 words) - 06:03, 6 August 2024
long term fuel efficiency. Long-term integrity of the compact reactor pressure vessel is maintained by providing an internal neutron shield. (This is...
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pump to inject water into the pressure vessel from an external storage tank to maintain the water level in the reactor vessel and was designed to operate...
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Nuclear marine propulsion (redirect from Marine nuclear reactor)
infrastructure, however, so nearly all nuclear-powered vessels are military. Most naval nuclear reactors are of the pressurized water type, with the exception...
37 KB (4,185 words) - 03:10, 19 August 2024
80 minutes with a growing steam bubble in the reactor pressure vessel head, the primary loop's four main reactor coolant pumps began to cavitate as a steam...
138 KB (16,842 words) - 18:58, 26 August 2024
Olkiluoto Nuclear Power Plant (category Nuclear power stations using boiling water reactors)
architecture was designed by ASEA-Atom. The reactor pressure vessels were constructed by Uddcomb Sweden AB, and reactor internal parts, mechanical components...
80 KB (6,061 words) - 21:10, 4 June 2024
prior to complete overhaul and reactor pressure vessel replacement) compared with currently used Generation II reactors (designed for 40 years of operation...
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France. The reactor pressure vessel of the first reactor was installed in June 2012, and the second in November 2014. The first pressure vessel had been...
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Shippingport Atomic Power Station (redirect from Shippingport Reactor)
Retrieved 2006-06-24. Duerr, David (March 1990). "Lift of Shippingport Reactor Pressure Vessel". Journal of Construction Engineering and Management. 116 (1):...
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A pressure reactor, sometimes referred to as a pressure tube, or a sealed tube, is a chemical reaction vessel which can conduct a reaction under pressure...
6 KB (760 words) - 07:02, 30 January 2020
of the major limiting wear factors is the deterioration of the reactor's pressure vessel under the action of neutron bombardment, however in 2018 Rosatom...
57 KB (6,324 words) - 05:31, 28 August 2024
reactor pressure vessels for small modular reactors, with enormous savings in time and costs over arc welding. Using arc welding on pressure vessels requires...
22 KB (2,946 words) - 00:17, 20 May 2024
embrittlement limits the service life of reactor-pressure vessels (RPV) in nuclear power plants due to the degradation of reactor materials. In order to perform...
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chemical reactor is an enclosed volume in which a chemical reaction takes place. In chemical engineering, it is generally understood to be a process vessel used...
17 KB (1,911 words) - 07:48, 15 October 2023
coolant pumps are all located within the reactor pressure vessel. This causes it to have a larger pressure vessel than an ordinary PWR despite a lower power...
12 KB (1,371 words) - 04:08, 16 November 2023
October 2015 that two independent sources have confirmed that the reactor 1 pressure vessel contains around 1,000 cavities of half a centimetre in diameter...
34 KB (3,130 words) - 18:49, 4 April 2024
1002/2016JD025445. PMC 5349290. PMID 28357174. Nuclear Power Plant Borssele Reactor Pressure Vessel Safety Assessment, p. 29, 5.6 Neutron Fluence Calculation....
8 KB (875 words) - 03:08, 15 February 2024