|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||NUCLEAR POWER REACTORS AND ASSOCIATED PLANTS ♦ NUCLEAR REACTOR TECHNOLOGY ♦ MATHEMATICS, COMPUTERS, INFORMATION SCIENCE, MANAGEMENT, LAW, MISCELLANEOUS ♦ BWR TYPE REACTORS ♦ ROD DROP ACCIDENTS ♦ R CODES ♦ HYDRAULICS ♦ NODAL EXPANSION METHOD ♦ MATHEMATICAL MODELS|
|Abstract||A control blade drop accident in a boiling water reactor (BWR) causes an extremely high local power peaking. A three-dimensional simulation of this accident requires an accurate description of spatial phenomena integrated over a short time. For an actual reactor core design, a realistic analysis of such an event should be based on an accurate steady-state initialization in terms of Doppler and steam void history effect and a nonequilibrium thermal-hydraulics model to account for a very localized steam void generation. A combination of an advanced BWR core simulator such as MICROBURN-B and a proven system transient model such as RAMONA-3B satisfies this requirement for realistic analysis. The purpose of this paper is to present two distinct features and results of the kinetics extension of MICROBURN-B as implemented in the transient code RAMONA-MB.|
|Learning Resource Type||Article|
|Publisher Place||United States|
|Journal||Transactions of the American Nuclear Society|
|Technical Publication No.||CONF-951006-|
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