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889:) 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.
125:– 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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475:{\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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162:. 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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850:(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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598:{\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
831:{\displaystyle T={\frac {x_{p}-x_{f}}{x_{f}-x_{t}}}\cdot P}
747:{\displaystyle F={\frac {x_{p}-x_{t}}{x_{f}-x_{t}}}\cdot P}
941:
Bernstein, Jeremy (2009-06-13). "SWU for You and Me".
854:(LEU) in U content to 4.5%, at a tails assay of 0.3%.
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106:Learn how and when to remove this message
861:plants typically require 2,400 to 2,500
132:SWU, kg SW, or kg UTA (from the German
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121:– the amount of separation done by a
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917:US Energy Information Administration
608:Given the desired amount of product
144:1 SWU = 1 kg SW = 1 kg UTA
44:adding citations to reliable sources
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968:World Scientific Publishing Company
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210:{\displaystyle W_{\mathrm {SWU} }}
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509:{\displaystyle V\left(x\right)}
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150:1 MSWU = 1 ktSW = 1 kt UTA
123:Uranium enrichment process
154:Separative work unit is
147:1 kSWU = 1 tSW = 1 t UTA
138:uranium separation work
55:"Separative work units"
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351:{\displaystyle x_{t}}
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130:Separative work units
852:Low-enriched uranium
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40:improve this article
1002:Isotope separation
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661:{\displaystyle T}
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919:. June 13, 2023
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51:Find sources:
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29:This article
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921:. Retrieved
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264:into a mass
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136:– literally
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96:January 2022
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38:Please help
33:verification
30:
991:Categories
893:References
867:gigajoules
331:and assay
170:Definition
164:Paul Dirac
66:newspapers
948:0906.2505
823:⋅
807:−
782:−
739:⋅
723:−
698:−
583:−
567:
555:−
451:⋅
445:−
423:⋅
393:⋅
182:The work
166:in 1941.
923:2 August
877:A large
873:Example:
160:services
913:eia.gov
842:Example
516:is the
80:scholar
974:
485:where
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943:arXiv
668:are:
87:JSTOR
73:books
972:ISBN
925:2023
59:news
156:not
42:by
993::
966:.
933:^
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564:ln
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887:a
885:/
883:t
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815:t
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766:=
763:T
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693:p
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682:=
679:F
656:T
636:F
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571:(
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396:V
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387:=
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378:W
375:S
370:W
344:t
340:x
319:T
297:p
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272:P
250:f
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225:F
202:U
199:W
196:S
191:W
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103:(
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94:(
84:·
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70:·
63:·
36:.
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