快堆中钠环境下熔融物传播模型的建立与验证Establishment and validation of the penetration model of molten material in sodium environment in fast reactor
赵树峰,罗锐,石晓波,王洲,杨献勇
摘要(Abstract):
快堆在超设计基准事故下运行,会导致燃料元件的熔化,并很快形成燃料和钢的混合沸腾池,池壁破损之后,高温熔融物将向组件盒间隙以及相邻组件中传播,使事故进一步升级。为了弄清熔融物传播的机理,采用了机理建模的方法,分别建立了导热冻结和整体冻结两种机理模型,在英国的SES实验及法国的PV-A实验上进行了验证,得出了有关冻结机理和钠流动的相关结论,通过对传播的相关参数进行比较分析,得出了熔融物传播的相关结论。
关键词(KeyWords): 快堆;导热冻结;整体冻结
基金项目(Foundation):
作者(Author): 赵树峰,罗锐,石晓波,王洲,杨献勇
参考文献(References):
- [1]Livolant M,Dadillon J,Kayser G,et al.SCARABEE:a test reactor and programme to study fuel melting andpropagation in connexion with local faults,objectivesand results[C].//Wayne Lehto L,Walter Dertrich,John I Sackett,eds.Proceedings of 1990 InternationalFast Reactor Safety Meeting,v2.Snowbird,Utah,USA:American Nuclear Society,1990:177-186.
- [2]Papin J,Dougall J M,Sesny R,et al.The SCARABEEtotal blockages test series:synthesis of the interpreta-tion[C].//Wayne Lehto L.Walter Dertrich,John I.Sackett,eds.Proceedings of 1990 International Fast Re-actor Safety Meeting,v2.Snowbird,Utah,USA:American Nuclear Society,1990:367-376.
- [3]Benuzzi A,Biasi L.Sensitivity of penetration lengths ofmolten aluminum in quartz-glass tubes[C].//Scienceand Technology of Fast Reactor Safety,Proceedings ofan International Conference,Guernsey,May 12-16,1986,BNES,London(1987),2:329-333.
- [4]Soussan P,Schwarz M,Moxon D.Propagation andfreezing of molten material,interpretation of experimen-tal results.(C)//Wayne Lehto L.Walter Dertrich,John I.Sackett,eds.Proceedings of 1990 InternationalFast Reactor Safety Meeting.Snowbird,Utah,USA:American Nuclear Society,1990:223-232.
- [5]Edwards A J,Bird M J,Denham M K.Molten propaga-tion in sodium filled fast reactor subassembly geometries[J].Nuclear Reactor Safety.1992,98:70-78.
- [6]Tattersall R B,Maddison R J,Miller K.Experimentsat AEE Winfrith on the Penetration of Molten Fuel intoPin Arrays and Tubes.(C)//Proceedings Of the 13thLMBWG Meeting Winfrith 27-29,September 1988.
- [7]Kaiser A,Huber F,Wilhelm D.Experiments on thebehaviour of a hot melt injected into sodium[J].Experi-mental Thermal and Fluid Science.1998,18:48-69.
- [8]Collier J G.Convective Boiling and Condensation[J].New York,USA:Oxford university press,1994:430-445.
- [9]Schwarz M,Soussan P,Stansfield M C,et al.Interpre-tation of out-of-Pile Experiments on the Propagation andFreezing of Molten Fuel[C].//Proceedings Of the 13thLMBWG Meeting Winfrith 27-29,September 1988.
- [10]Swaada T,Ninokata H.Validation of a computationalmodel for the evaluation of fuel-collant interaction un-der severe accident condition in fast breeder reactors[J].Annual of Nuclear Energy.,1998,25:1543-1552.
- [11]Dadillon J,Jamond C,Kayser G,et al.The SCAR-ABEE propagation test series PI-A and PV-A[C].//Wayne Lehto L.Walter Dertrich,John I.Sackett,eds.Proceedings of 1990 International Fast Reactor SafetyMeeting,v2.Snowbird,Utah,USA:American Nucle-ar Society,1990:187-196.
- [12]Proseperetti A.The hydrodynamic equations of theSIMMER-II code[C].//Jones A V,eds.MultiphaseProcesses in LMFBR Safety analysis.Ispra,Italy:Har-wood academic publishers,1982:167-196.
- [13]Shamsundar N,Sparrow E M.Analysis of multidimen-sional conduction phase change via the enthalpy model[J].Journal of Heat Transfer,1975,97:333-340.