CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Pore Scale Thermal Hydraulics Investigations of Molten Salt Cooled Pebble Bed High Temperature Reactor with BCC and FCC Configurations
Song, SX; Cai, XZ; Liu, YF; Wei, Q; Guo, W; songshixiong@sinap.ac.cn
2014
Source PublicationSCIENCE AND TECHNOLOGY OF NUCLEAR INSTALLATIONS
ISSN1687-6075
AbstractThe present paper systematically investigated pore scale thermal hydraulics characteristics of molten salt cooled high temperature pebble bed reactor. By using computational fluid dynamics (CFD) methods and employing simplified body center cubic (BCC) and face center cubic (FCC) model, pressure drop and local mean Nusselt number are calculated. The simulation result shows that the high Prandtl number molten salt in packed bed has unique fluid-dynamics and thermodynamic properties. There are divergences between CFD results and empirical correlations' predictions of pressure drop and local Nusselt numbers. Local pebble surface temperature distributions in several default conditions are investigated. Thermal removal capacities of molten salt are confirmed in the case of nominal condition; the pebble surface temperature under the condition of local power distortion shows the tolerance of pebble in extreme neutron dose exposure. The numerical experiments of local pebble insufficient cooling indicate that in the molten salt cooled pebble bed reactor, the pebble surface temperature is not very sensitive to loss of partial coolant. The methods and results of this paper would be useful for optimum designs and safety analysis of molten salt cooled pebble bed reactors.
KeywordDirect Numerical-simulation Heat-transfer Coefficients Packed-beds Fluid-flow Experimental Validation Field Analysis Fixed-bed Cfd Spheres Channels
Indexed BySCI
Language英语
WOS IDWOS:000338555900001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14323
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorsongshixiong@sinap.ac.cn
Recommended Citation
GB/T 7714
Song, SX,Cai, XZ,Liu, YF,et al. Pore Scale Thermal Hydraulics Investigations of Molten Salt Cooled Pebble Bed High Temperature Reactor with BCC and FCC Configurations[J]. SCIENCE AND TECHNOLOGY OF NUCLEAR INSTALLATIONS,2014.
APA Song, SX,Cai, XZ,Liu, YF,Wei, Q,Guo, W,&songshixiong@sinap.ac.cn.(2014).Pore Scale Thermal Hydraulics Investigations of Molten Salt Cooled Pebble Bed High Temperature Reactor with BCC and FCC Configurations.SCIENCE AND TECHNOLOGY OF NUCLEAR INSTALLATIONS.
MLA Song, SX,et al."Pore Scale Thermal Hydraulics Investigations of Molten Salt Cooled Pebble Bed High Temperature Reactor with BCC and FCC Configurations".SCIENCE AND TECHNOLOGY OF NUCLEAR INSTALLATIONS (2014).
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