Measure of how much energy is extracted from a primary nuclear fuel source
This article is about nuclear fuel. For other uses, see Burn up (disambiguation).
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In nuclear power technology, burnup (also known as fuel utilization) is a measure of how much energy is extracted from a primary nuclear fuel source. It is measured as the fraction of fuel atoms that underwent fission in %FIMA (fissions per initial metal atom)[1] or %FIFA (fissions per initial fissile atom)[2] as well as, preferably, the actual energy released per mass of initial fuel in gigawatt-days/metric ton of heavy metal (GWd/tHM), or similar units.
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^Raepsaet X, Damian F, Lenain R, Lecomte M (2001). "Fuel cycle related parametric study considering long lived actinide production, decay heat and fuel cycle performances (No. IAEA-TECDOC--1210)". www.osti.gov. Retrieved 2020-11-15.
In nuclear power technology, burnup (also known as fuel utilization) is a measure of how much energy is extracted from a primary nuclear fuel source. It...
burndown chart, the burnup chart shows time on the horizontal axis and work completed on the vertical axis. The difference is that the burnup chart starts on...
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company was formed by the merger of two separate companies: Burnup & Sims and Church & Tower. Burnup & Sims was the oldest of the two founding companies and...
water is supplied to the reactor as an emergency coolant. Depending on burnup, boric acid or another neutron poison will have to be added to emergency...
period of about 15 hours. A local variation of neutron flux causes increased burnup of 135Xe and production of 135I, depletion of 135Xe increases the reactivity...
time has become a less important metric in modern breeder-reactor design. "Burnup" is a measure of how much energy has been extracted from a given mass of...
that time had a positive void coefficient of reactivity at typical fuel burnup levels. This meant that the formation of steam bubbles (voids) from boiling...
enrichment, with no irradiation. For spent nuclear fuel storage and transport, burnup credit may be used to allow fuel to be more closely packed, reducing space...
to be used in commercial nuclear power reactors. MOX fuel improves total burnup. A fuel rod is reprocessed after three years of use to remove waste products...
(LEO)—satellites began to more frequently be designed to get destroyed, or breakup and burnup entirely in the atmosphere. For example, SpaceX Starlink satellites, the...
nuclear fuel is called its burnup, which is expressed in terms of the heat energy produced per initial unit of fuel weight. Burnup is commonly expressed as...
2 1D –3 2He reaction is optimized at a much higher temperature, so the burnup at the optimum 2 1D –2 1D temperature may be low. Therefore, it seems reasonable...
(which makes up roughly a third of fission events over the course of normal burnup in modern human-made light water reactors), then fission product yields...
nitric acid. As of 2015, the only demonstration of twice-recycled, high-burnup fuel occurred in the Phénix fast reactor. Reprocessing of commercial nuclear...
reactor. The total mass of uranium in the fuel assembly is 114.7 kg. The fuel burnup is 20 MW·d/kg. The total length of the fuel assembly is 10.025 m, with 6...
yield a maximum of 27–29 kg of plutonium if left in the reactor for optimal burnup. The North Korean Plutonium Stock, Mid-2006, is estimated to be able to...
a long time. For high burnup used fuel, the concentrations of the higher plutonium isotopes will be higher than the low burnup fuel that is reprocessed...
uranium metal or 4.46 exajoules (1.24×1012 kWh) of thermal energy at a burnup of 200MWh/kg achievable in CANDU-type reactors, but much less in more widespread...
ENDF/B-5 ccc-0459 BOLD/VENTURE-4, Reactor Analysis System with Sensitivity and Burnup nesc0387 CITATION, 3-D MultiGroup Diffusion with 1st Order Perturbation...
company. Burial options the company offers are Earth-orbit and then reentry burnup, and delivery to the lunar surface. The company was the first to offer burial...
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