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2019年 第13卷 第4期

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《能源前沿（英文）》 >> 2019年 第13卷 第4期 doi: 10.1007/s11708-019-0616-0

Phenomena identification and ranking table exercise for thorium based molten salt reactor-solid fuel design

. School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China

录用日期： 2019-03-12 发布日期： 2019-03-12
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Thorium based molten salt reactor-solid fuel (TMSR-SF) design is an innovative reactor concept that uses high-temperature tristructural-isotropic (TRISO) fuel with a low-pressure liquid salt coolant. In anticipation of getting licensed applications for TMSR-SF in the future, it is necessary to fully understand the significant features and phenomena of TMSR-SF design, as well as its transient behavior during accidents. In this paper, the safety-relevant phenomena, importance, and knowledge base were assessed for the selected events and the transient of TMSR-SF during station blackout scenario is simulated based on RELAP/SCDAPSIM Mod 4.0. The phenomena having significant impact but with limited knowledge of their history are core coolant bypass flows, outlet plenum flow distribution, and intermediate heat exchanger (IHX) over/under cooling transients. Some thermal hydraulic parameters during the station blackout scenario are also discussed.

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