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900:) of LEU with a U concentration of 3.75%. This quantity is produced from about 210 t of NU using about 120 kSWU. An enrichment plant with a capacity of 1000 kSWU/a is, therefore, able to enrich the uranium needed to fuel about eight large nuclear power stations.
136:– is a function of the concentrations of the feedstock, the enriched output, and the depleted tailings; and is expressed in units which are so calculated as to be proportional to the total input (energy / machine operation time) and to the mass processed.
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The same amount of separative work will require different amounts of energy depending on the efficiency of the separation technology. Separative work is measured in
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The number of separative work units provided by an enrichment facility is directly related to the amount of energy that the facility consumes. Modern
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880:, (GJ) of electricity per SWU while gas centrifuge plants require just 50 to 60 kW·h (180–220 MJ) of electricity per SWU.
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486:{\displaystyle W_{\mathrm {SWU} }=P\cdot V\left(x_{p}\right)+T\cdot V(x_{t})-F\cdot V(x_{f})}
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173:. In the early 2020s the cost of 1 SWU was approximately $ 100. The unit was introduced by
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station with a net electrical capacity of 1300 MW requires about 25 tonnes per year (25
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Selected
Scientific Papers Of Sir Rudolf Peierls, With Commentary By The Author
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861:(NU), it takes about 62 SWU to produce 10 kilograms (22 lb) of
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Logarithmic function used in calculating
Separative Work Units
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609:{\displaystyle V(x)=(2x-1)\ln \left({\frac {x}{1-x}}\right)}
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a unit of energy, but serves as a measure of the enrichment
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For example, beginning with 102 kilograms (225 lb) of
842:{\displaystyle T={\frac {x_{p}-x_{f}}{x_{f}-x_{t}}}\cdot P}
758:{\displaystyle F={\frac {x_{p}-x_{t}}{x_{f}-x_{t}}}\cdot P}
952:
Bernstein, Jeremy (2009-06-13). "SWU for You and Me".
865:(LEU) in U content to 4.5%, at a tails assay of 0.3%.
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117:Learn how and when to remove this message
872:plants typically require 2,400 to 2,500
143:SWU, kg SW, or kg UTA (from the German
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132:– the amount of separation done by a
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928:US Energy Information Administration
619:Given the desired amount of product
155:1 SWU = 1 kg SW = 1 kg UTA
55:adding citations to reliable sources
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979:World Scientific Publishing Company
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221:{\displaystyle W_{\mathrm {SWU} }}
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917:"Uranium Marketing Annual Report"
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228:necessary to separate a mass
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161:1 MSWU = 1 ktSW = 1 kt UTA
134:Uranium enrichment process
165:Separative work unit is
158:1 kSWU = 1 tSW = 1 t UTA
149:uranium separation work
66:"Separative work units"
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863:Low-enriched uranium
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51:improve this article
18:Separative Work Unit
1013:Isotope separation
973:Fuchs, K. (1997).
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672:{\displaystyle T}
652:{\displaystyle F}
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241:{\displaystyle F}
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68: –
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62:Find sources:
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40:This article
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932:. Retrieved
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275:into a mass
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147:– literally
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107:January 2022
104:
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49:Please help
44:verification
41:
1002:Categories
904:References
878:gigajoules
342:and assay
181:Definition
175:Paul Dirac
77:newspapers
959:0906.2505
834:⋅
818:−
793:−
750:⋅
734:−
709:−
594:−
578:
566:−
462:⋅
456:−
434:⋅
404:⋅
193:The work
177:in 1941.
934:2 August
888:A large
884:Example:
171:services
924:eia.gov
853:Example
527:is the
91:scholar
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496:where
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954:arXiv
679:are:
98:JSTOR
84:books
983:ISBN
936:2023
70:news
167:not
53:by
1004::
977:.
944:^
926:.
922:.
575:ln
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991:.
962:.
956::
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898:a
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894:t
837:P
826:t
822:x
813:f
809:x
801:f
797:x
788:p
784:x
777:=
774:T
753:P
742:t
738:x
729:f
725:x
717:t
713:x
704:p
700:x
693:=
690:F
667:T
647:F
627:P
603:)
597:x
591:1
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582:(
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569:1
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560:2
557:(
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548:x
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508:(
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476:f
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468:(
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459:F
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448:t
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440:(
437:V
431:T
428:+
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419:p
415:x
411:(
407:V
401:P
398:=
392:U
389:W
386:S
381:W
355:t
351:x
330:T
308:p
304:x
283:P
261:f
257:x
236:F
213:U
210:W
207:S
202:W
120:)
114:(
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105:(
95:·
88:·
81:·
74:·
47:.
20:)
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