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Efficiency criteria for optimization of separation cascades for uranium enrichment
Georgy Sulaberidze,Shi Zeng,Andrey Smirnov,Anton Bonarev,Valentin Borisevich,Dongjun Jiang 한국원자력학회 2018 Nuclear Engineering and Technology Vol.50 No.1
As it is known, uranium enrichment is carried out on industrial scale by means of multistage separationfacilities, i.e., separation cascades in which gas centrifuges (GCs) are connected in series andparallel. Design and construction of these facilities require significant investment. So, the problem ofcalculation and optimization of cascade working parameters is still relevant today. At the same time,in many cases, the minimum unit cost of a product is related to the cascade having the smallestpossible number of separation elements/GCs. Also, in theoretical studies, it is often acceptable toapply as an efficiency criterion the minimum total flow to supply cascade stages instead of theabovementioned minimum unit cost or the number of separation elements. In this article, cascadeswith working parameter of a single GC changing from stage to stage are optimized by two of theabovementioned performance criteria and are compared. The results obtained allow us to make aconclusion about their differences.
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