DEVELOPMENT OF THE MATRA-LMR-FB FOR FLOW BLOCKAGE ANALYSIS IN A LMR

KWI-SEOK HA; HAE-YONG JEONG; WON-PYO CHANG; YOUNG-MIN KWON; CHUNGHO CHO; YONG-BUM LEE

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자료유형: 학술저널

저자정보: KWI-SEOK HA HAE-YONG JEONG WON-PYO CHANG YOUNG-MIN KWON CHUNGHO CHO YONG-BUM LEE

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제41권 제6호

발행연도: 2009.1

수록면: 797 - 806 (10page)

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The Multichannel Analyzer for Transient and steady-state in Rod Array - Liquid Metal Reactor for Flow Blockage analysis (MATRA-LMR-FB) code for the analysis of a subchannel blockage has been developed and evaluated through several experiments. The current version of the code is improved here by the implementation of a distributed resistance model which accurately considers the effect of flow resistance on wire spacers, by the addition of a turbulent mixing model, and by the application of a hybrid scheme for low flow regions. Validation calculations for the MATRA-LMR-FB code were performed for Oak Ridge National Laboratory (ORNL) 19-pin tests with wire spacers and Karlsruhe 169-pin tests with grid spacers. The analysis of the ORNL 19-pin tests conducted using the code reveals that the code has sufficient predictive accuracy, within a range of 5 ºC, for the experimental data with a blockage. As for the results of the analyses, the standard deviation for the Karlsruhe 169-pin tests, 0.316, was larger than the standard deviation for the ORNL 19-pin tests, 0.047.

#Sub-channel #Blockage #LMR #Distributed Resistance Model #MATRA-LMR

참고문헌 (16)

참고문헌 신청

Davis, A. L. / 1979 / SABRE I ?A computer program for the calculation of three dimensional flows in rod clusters

Domanus, H. M. / 1980 / Applications of the COMMIX code using the porous medium-formulation / Nucl. Energ. Des. 62 : 81 ~ 100

Fontana, M. H. / 1974 / Temperature distribution in the duct wall and at the exit of a 19-rod simulated LMFBR fuel assembly (FFM Bundle 2A) / Nucl. Technol. 24 : 176 ~ 200

Ha, K. S. / 2004 / Wire-wrap models for Subchannel Blockage Analysis / J. Korean Nucl. Soc. 36 (2)

Huber, F. / 1985 / Summary and Implications of Out-of-pile Investigations of Local Cooling Distributions in LMFBR Subassembly Geometry under Single-phase and Boiling Conditions

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