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searching for Decay heat 49 found (119 total)

alternate case: decay heat

Economic Simplified Boiling Water Reactor (1,406 words) [view diff] exact match in snippet view article find links to article

combination of three systems that allow for the efficient transfer of decay heat (created from nuclear decay) from the reactor to pools of water outside

Wake low (878 words) [view diff] no match in snippet view article find links to article

wake low is intense enough. When the squall line is in the process of decay, heat bursts can be generated near the wake low. Once new thunderstorm activity

MHW-RTG (346 words) [view diff] exact match in snippet view article find links to article

initially generated about 2400 Watts of thermal power. Conversion of the decay heat of the plutonium to electrical power uses 312 silicon-germanium (SiGe)

GPHS-RTG (452 words) [view diff] exact match in snippet view article find links to article

slightly adapted to utilize the lower power that would be available. The decay heat reduces by about 0.8% per year, so the thermoelectric converter 'ages'

Advanced Stirling radioisotope generator (1,281 words) [view diff] exact match in snippet view article find links to article

It uses a Stirling power conversion technology to convert radioactive-decay heat into electricity for use on spacecraft. The energy conversion process

IPHWR (866 words) [view diff] exact match in snippet view article find links to article

outlet, interleaving of primary heat transport system feeders, passive decay heat removal system, regional over power protection, containment spray system

IPHWR-700 (880 words) [view diff] exact match in snippet view article find links to article

Interleaving of primary heat transport system feeders A system to remove passive decay heat Regional protection from over power A containment spray system A mobile

Boiling water reactor safety systems (8,045 words) [view diff] exact match in snippet view article find links to article

the previous two refuelings would still be "fresh" enough to melt under decay heat. However, the zircaloy cladding of this fuel could be ignited during the

Light-water reactor (3,329 words) [view diff] exact match in snippet view article find links to article

power. This "decay heat" will continue for 1 to 3 years after shut down, whereupon the reactor finally reaches "full cold shutdown". Decay heat, while dangerous

Passive nuclear safety (3,333 words) [view diff] exact match in snippet view article find links to article

-moderated reactors, when scrammed, can not remove residual production and decay heat without either process heat transfer or the active cooling system. In

IPHWR-220 (283 words) [view diff] exact match in snippet view article find links to article

system Passive: Natural circulation through steam generators and Passive Decay heat removal system Safety injection system Emergency core cooling system

Dual fluid reactor (593 words) [view diff] exact match in snippet view article find links to article

high-level waste and plutonium. The reactor is inherently safe, because decay heat can be removed passively. This takes advantage of the high thermal conductivity

Liquid fluoride thorium reactor (14,175 words) [view diff] exact match in snippet view article find links to article

does not use radiation sensitive solvents and is not easily disturbed by decay heat. It can be used on highly radioactive fuel directly from the reactor.

Boiling water reactor (7,179 words) [view diff] exact match in snippet view article find links to article

required that the decay heat stored in the fuel assemblies at any one time does not overwhelm the ECCS. As such, the measure of decay heat generation known

Flyby of Io with Repeat Encounters (455 words) [view diff] exact match in snippet view article find links to article

It uses a Stirling power conversion technology to convert radioactive-decay heat into electricity for use on spacecraft. Atmosphere of Io Io Volcano Observer

Plutonium-240 (994 words) [view diff] exact match in snippet view article find links to article

complicates its handling by workers. Isotopes besides 239Pu produce more decay heat, which can cause phase change distortions of the precision core if allowed

FBR-600 (367 words) [view diff] exact match in snippet view article find links to article

enhanced safety parameters. CFBR designs mentions a new and improved decay heat removal (DHR) system, reactor shutdown system from its predecessor PFBR

Radioactive waste (12,767 words) [view diff] exact match in snippet view article find links to article

and high-level waste (HLW), which is highly radioactive and hot due to decay heat, thus requiring cooling and shielding. In nuclear reprocessing plants

Squall (1,931 words) [view diff] no match in snippet view article find links to article

wake low is intense enough. When the squall line is in the process of decay, heat bursts can be generated near the wake low. Once new thunderstorm activity

Gösgen Nuclear Power Plant (2,089 words) [view diff] exact match in snippet view article find links to article

or explosions, to manage the reactor shutdown and the removal of the decay heat for at least ten hours. It contains the two strands of the special emergency

Gösgen Nuclear Power Plant (2,089 words) [view diff] exact match in snippet view article find links to article

or explosions, to manage the reactor shutdown and the removal of the decay heat for at least ten hours. It contains the two strands of the special emergency

Radioisotope heater unit (803 words) [view diff] exact match in snippet view article find links to article

While both RHUs and Radioisotope Thermoelectric Generators (RTGs) use the decay heat of a radioactive isotope, RHUs are generally much smaller as a result

Magnox (4,882 words) [view diff] exact match in snippet view article find links to article

Wylfa which has dry stores in a carbon dioxide atmosphere) where the decay heat is transferred to the pond water, and then removed by the pond water circulation

List of civilian nuclear accidents (1,805 words) [view diff] exact match in snippet view article find links to article

time that cooling water was not injected in Unit 1, letting much more decay heat accumulate – for about 1 day there was no water injection for Unit 1,

Uranium dioxide (1,965 words) [view diff] exact match in snippet view article find links to article

as the matrix, whose high thermal conductivity allows easy removal of decay heat.[citation needed] Depleted uranium dioxide can be also used as a catalyst

Burnup (1,951 words) [view diff] exact match in snippet view article find links to article

related parametric study considering long lived actinide production, decay heat and fuel cycle performances (No. IAEA-TECDOC--1210)". www.osti.gov. Retrieved

Advanced heavy-water reactor (2,113 words) [view diff] exact match in snippet view article find links to article

overhead gravity-driven water pool (GDWP) to facilitate sustenance of core decay heat removal. The emergency core cooling system (ECCS) injection and containment

Isolation condenser (457 words) [view diff] exact match in snippet view article find links to article

above containment in a pool of water open to atmosphere. In operation, decay heat boils steam, which is drawn into the heat exchanger and condensed; then

Bootstrapping (3,460 words) [view diff] exact match in snippet view article find links to article

the grid. A nuclear power plant always needs to have a way to remove decay heat, which is usually done with electrical cooling pumps. But in the rare

Katharine Way (1,238 words) [view diff] case mismatch in snippet view article find links to article

1103/PhysRev.55.963. Wheeler 1979, p. 266. Ragheb, M. (March 22, 2011). "Decay Heat Generation in Fission Reactors" (PDF). University of Illinois at Urbana-Champaign

Indira Gandhi Centre for Atomic Research (2,133 words) [view diff] exact match in snippet view article find links to article

Shock Test Facility Experiments in SADHANA facility simulating passive decay heat removal of PFBR SGDHR system. Development and testing of fast reactor

Lunokhod programme (2,860 words) [view diff] exact match in snippet view article find links to article

from retirement, and in two weeks rovers were made which used nuclear decay heat sources for internal rack climate control, their electronic systems were

Oldbury nuclear power station (2,004 words) [view diff] exact match in snippet view article find links to article

with the refuelling machinery.' Again steam was released to remove the decay heat. The silt lagoons at Oldbury power station are used as a high tide roosting

Soviet submarine K-19 (2,553 words) [view diff] exact match in snippet view article find links to article

emergency SCRAM system, but the reactor temperature rose uncontrollably. Decay heat from fission products produced during normal operation eventually heated

Molten-salt reactor (9,078 words) [view diff] exact match in snippet view article find links to article

MSRs offer many potential advantages over light water reactors: Passive decay heat removal is achieved in MSRs. In some designs, the fuel and the coolant

Strontium (6,398 words) [view diff] exact match in snippet view article find links to article

and spent nuclear fuel. Its 29-year half life is short enough that its decay heat has been used to power arctic lighthouses, but long enough that it can

Gilbert Ronald Bainbridge (1,086 words) [view diff] exact match in snippet view article find links to article

Ionizing Radiation during a Spark Discharge" (1957) "Fission product decay heat" (1961) "Advanced AGR power stations" (1964) "Nuclear fuel supply by the

Three Mile Island Nuclear Generating Station (3,650 words) [view diff] exact match in snippet view article find links to article

the service water system which cools auxiliary components and removed decay heat when the reactor was shut down. On February 17, 1979, TMI-1 went offline

Fukushima Daiichi Nuclear Power Plant (4,602 words) [view diff] exact match in snippet view article find links to article

shut down/SCRAMed automatically after the earthquake, and the remaining decay heat of the fuel was being cooled with power from emergency generators. The

Application of silicon-germanium thermoelectrics in space exploration (1,449 words) [view diff] exact match in snippet view article find links to article

exploration of Jupiter, Saturn, Uranus, and Neptune. Conversion of the decay heat of the plutonium to electrical power was accomplished through 312 silicon-germanium

Lead-cooled fast reactor (4,606 words) [view diff] exact match in snippet view article find links to article

Due to the high thermal conductivity of the molten metal, the residual decay heat of a DFR reactor could be passively removed. ALFRED (Advanced Lead Fast

Vermont Yankee Nuclear Power Plant (4,698 words) [view diff] exact match in snippet view article find links to article

nuclear facility and the turbine facility of the plant, and absorbed decay heat from the reactor's cooling systems in emergencies or in times when the

Point Lepreau Nuclear Generating Station (3,293 words) [view diff] exact match in snippet view article find links to article

significance to the event, since the reactor had been shut down long enough that decay heat power was below the level that required coolant flow. However, the breach

Point Lepreau Nuclear Generating Station (3,293 words) [view diff] exact match in snippet view article find links to article

significance to the event, since the reactor had been shut down long enough that decay heat power was below the level that required coolant flow. However, the breach

Heat pipe (7,267 words) [view diff] exact match in snippet view article find links to article

nuclear reactor in case of an emergency and simultaneously transferring decay heat away to prevent the reactor from running hot Heat sink – Passive heat

Nuclear fusion–fission hybrid (4,457 words) [view diff] exact match in snippet view article find links to article

behavior because they remain deeply subcritical under all conditions and decay heat removal is possible via passive mechanisms. The fission is driven by neutrons

Fukushima Daiichi units 4, 5 and 6 (5,953 words) [view diff] exact match in snippet view article find links to article

reactor and contains 1,331 rods. Recently active fuel rods produce more decay heat than older ones. At 4 pm JST on Monday 14 March, water in the pool had

Small modular reactor (10,943 words) [view diff] exact match in snippet view article find links to article

eliminate cooling pumps that could break down. Convection can keep removing decay heat after reactor shutdown. However, some SMRs may need an active cooling

Fukushima disaster cleanup (9,549 words) [view diff] exact match in snippet view article find links to article

water and nuclear waste to more manageable levels. In order to remove decay heat of the severely damaged cores of Units 1–3, TEPCO injected cooling water