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Title: An Integrated RELAP5-3D and Multiphase CFD Code System Utilizing a Semi Implicit Coupling Technique

Conference ·
OSTI ID:835053

An integrated code system consisting of RELAP5-3D and a multiphase CFD program has been created through the use of a generic semi-implicit coupling algorithm. Unlike previous CFD coupling work, this coupling scheme is numerically stable provided the material Courant limit is not violated in RELAP5-3D or at the coupling locations. The basis for the coupling scheme and details regarding the unique features associated with the application of this technique to a four-field CFD program are presented. Finally, the results of a verification problem are presented. The coupled code system is shown to yield accurate and numerically stable results.

Research Organization:
Bettis Atomic Power Lab., West Mifflin, PA (US)
Sponsoring Organization:
US Department of Energy (US)
DOE Contract Number:
ACN11-98PN38206
OSTI ID:
835053
Report Number(s):
B-T-3367; TRN: US200501%%152
Resource Relation:
Conference: International Relap5 Users Seminar, Sun Valley, ID (US), 07/01/2001; Other Information: PBD: 21 Jun 2001
Country of Publication:
United States
Language:
English