Experimental investigation of the bed structure in liquid salt cooled pebble bed reactor
Chen, XW; Zhang, J; Dai, Y; Mei, MD; Ji, RM; Yan, R; Zou, Y; Cai, XZ
2018
发表期刊NUCLEAR ENGINEERING AND DESIGN
ISSN0029-5493
卷号331页码:24-31
文章类型期刊论文
摘要Based on the advanced high temperature reactor (AHTR), which is an advanced concept combining attractive attributes by adopting liquid salt and coated particle fuel, more and more reactor designs that use fuel pebbles are developed. The bed structure in liquid salt cooled pebble bed reactor is important for reactor design. To investigate the bed structure in the reactor, the Pebble Recirculation Experiment Device (PRED) and the Pebble Bed Dense Experiment facility (PBDE), which were mock-ups for TMSR- SF (Thorium-based Molten Salt Reactor with Solid Fuel) were developed. Packing experiments were performed under different conditions. The results show that, the packing factor of TMSR- SF is supposed to be about 0.574, which is much less than 0.60 in gaseous environment; the loading rate of pebbles and the velocity of inlet flow has great effect on the bottom shape of the pebble bed; the structure of the pebble bed remains stable during normal operation and changes under accident conditions; loss of the coolant in the core may cause rearrangement of pebble bed; increase in packing factor that caused by strong vibration may induce reactivity in reactor core. The pebble bed behavior under different conditions that investigated in this paper provides the basis phenomenological analysis for reactor design. Moreover, the running of PRED demonstrates the feasibility of the methods for pebble loading and defueling in liquid salted cooled pebble bed reactors.
DOI10.1016/j.nucengdes.2018.02.003
收录类别SCI
语种英语
WOS记录号WOS:000428909900003
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29013
专题中科院上海应用物理研究所2011-2018年
作者单位1.Chen, XW
2.Zhang, J
3.Dai, Y
4.Mei, MD
5.Ji, RM
6.Yan, R
7.Zou, Y
8.Cai, XZ
推荐引用方式
GB/T 7714
Chen, XW,Zhang, J,Dai, Y,et al. Experimental investigation of the bed structure in liquid salt cooled pebble bed reactor[J]. NUCLEAR ENGINEERING AND DESIGN,2018,331:24-31.
APA Chen, XW.,Zhang, J.,Dai, Y.,Mei, MD.,Ji, RM.,...&Cai, XZ.(2018).Experimental investigation of the bed structure in liquid salt cooled pebble bed reactor.NUCLEAR ENGINEERING AND DESIGN,331,24-31.
MLA Chen, XW,et al."Experimental investigation of the bed structure in liquid salt cooled pebble bed reactor".NUCLEAR ENGINEERING AND DESIGN 331(2018):24-31.
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