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Methods and performance of a three-dimensional whole-core transport code DeCART

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dc.contributor.authorJoo, Han Gyu-
dc.contributor.authorCho, Jin Young-
dc.contributor.authorKim, Kang Seog-
dc.contributor.authorLee, Chung Chan-
dc.contributor.authorZee, Sung Quun-
dc.date.accessioned2009-09-17-
dc.date.available2009-09-17-
dc.date.issued2004-04-27-
dc.identifier.citationPHYSOR 2004 - The Physics of Fuel Cycles and Advanced Nuclear Systems: Global Developments, Chicago, Illinois, April 25-29, 2004en
dc.identifier.urihttps://hdl.handle.net/10371/9630-
dc.description.abstractDeCART is a three-dimensional whole-core transport code capable of performing direct core calculations at power generating conditions without involving a priori homogenized few-group constant generation. In this paper, the methods of DeCART, which are characterized by the planar method of characteristics (MOC) solutions, the cell based coarse mesh finite difference (CMFD) formulation, the subgroup method for resonance treatment and subpin level thermal feedback, are presented as a whole. The performance of the code in the aspect of solution accuracy and computing speed is then examined using the applications to the C5G7MOX benchmark and its modified rodded variation problems and also to a three-dimensional core case involving thermal feedback. The examination indicates that accurate direct whole core calculations with subpin level thermal feedback for practical PWR problems are quite possible on affordable LINUX clusters within a time span of a few hours.en
dc.description.sponsorshipThis work was supported by the International Nuclear Energy Research Initiative (I-NERI) program jointly funded by the Ministry of Science and Technology of Korea and the Department of Energy of the United States.en
dc.language.isoen-
dc.publisherAmerican Nuclear Societyen
dc.subjectWhole Core Transporten
dc.subjectDeCARTen
dc.subjectPlanar MOCen
dc.subjectSubgroup Methoden
dc.subject2D-1D Couplingen
dc.subjectCMFDen
dc.subjectSubpin Level Thermal Feedbacken
dc.titleMethods and performance of a three-dimensional whole-core transport code DeCARTen
dc.typeConference Paperen
dc.contributor.AlternativeAuthor주한규-
dc.contributor.AlternativeAuthor조진영-
dc.contributor.AlternativeAuthor김강석-
dc.contributor.AlternativeAuthor이정찬-
dc.contributor.AlternativeAuthor지성균-
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