Numerical study on rotordynamic coefficients of the seal of molten salt pump
Hu, YY; Wang, DZ; Fu, Y; Yin, JL; Wang, DZ (reprint author), Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China.
2016
发表期刊NUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
卷号27期号:5页码:-
文章类型期刊论文
摘要Molten salt pump is applied to pump high-temperature molten salt as the primary coolant of a molten salt reactor. The pump, generally a vertical rotor system, suffers from radial force generated by the liquid seal component, and the rotordynamic characteristics of the pump are affected considerably. In this paper, the rotordynamic coefficients of the tooth-on-stator liquid seal in molten salt pump are studied. The flow in the seal region is simulated using computational fluid dynamics technique. Parameters of the inlet loss and the pre-swirl at the inlet region of the seal are calculated. The coefficients of resistance and the wall parameters are obtained from the simulation results by data fitting method. The rotordynamic coefficients are analyzed based on the bulk-flow model of liquid seal. The rotordynamic characteristics, with and without the liquid seal, of the objective molten salt pump are inspected. The first critical speed of the rotor is found to increase. Harmonic analysis shows that the pump, being sensitive to unbalance force though, can operate safely under its design specifications.
关键词Molten Salt Pump Liquid Seal Rotordynamic Coefficient Rotordynamics
DOI10.1007/s41365-016-0116-4
收录类别SCI
语种英语
WOS记录号WOS:000388510700011
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26588
专题中科院上海应用物理研究所2011-2018年
通讯作者Wang, DZ (reprint author), Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China.
推荐引用方式
GB/T 7714
Hu, YY,Wang, DZ,Fu, Y,et al. Numerical study on rotordynamic coefficients of the seal of molten salt pump[J]. NUCLEAR SCIENCE AND TECHNIQUES,2016,27(5):-.
APA Hu, YY,Wang, DZ,Fu, Y,Yin, JL,&Wang, DZ .(2016).Numerical study on rotordynamic coefficients of the seal of molten salt pump.NUCLEAR SCIENCE AND TECHNIQUES,27(5),-.
MLA Hu, YY,et al."Numerical study on rotordynamic coefficients of the seal of molten salt pump".NUCLEAR SCIENCE AND TECHNIQUES 27.5(2016):-.
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