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Cell based CMFD formulation for acceleration of whole-core method of characteristics calculation
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Cho, Jin Young | - |
dc.contributor.author | Joo, Han Gyu | - |
dc.contributor.author | Kim, Kang Seog | - |
dc.date.accessioned | 2009-09-17 | - |
dc.date.available | 2009-09-17 | - |
dc.date.issued | 2002-06-01 | - |
dc.identifier.citation | J. Korean Nuc. Soc.. 34, 250 (2002). | en |
dc.identifier.uri | https://hdl.handle.net/10371/9632 | - |
dc.description.abstract | This paper is to apply the well-established coarse mesh finite difference (CMFD) method to the method of characteristics (MOC) transport calculation as an acceleration scheme. The CMFD problem is first formulated at the pin-cell level with the multi-group structure. To solve the cell-based multi-group CMFD problem efficiently, a two-group CMFD formulation is also derived from the multi-group CMFD formulation. The performance of the CMFD acceleration is examined for three test problems with different sizes including a realistic quarter core PWR problem. The CMFD formulation provides a significant reduction in the number of ray tracings and thus only about 9 ray tracing iterations are enough for the realistic problem. In computing time, the CMFD accelerated case is about two or three times faster than the coarse-mesh rebalancing (CMR) accelerated case. | en |
dc.description.sponsorship | This work was performed under the long-term nuclear research and development program sponsored by Ministry of Science and Technology of Korea. | en |
dc.language.iso | en | - |
dc.publisher | 한국원자력학회 = Korean Nuclear Society | en |
dc.subject | CMFD | en |
dc.subject | MOC | en |
dc.subject | Whole Core Transport | en |
dc.subject | DeCART | en |
dc.title | Cell based CMFD formulation for acceleration of whole-core method of characteristics calculation | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 조진영 | - |
dc.contributor.AlternativeAuthor | 주한규 | - |
dc.contributor.AlternativeAuthor | 김강석 | - |
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