低流速下涡流二极管单向性实验研究Experimental Study on the Performance of Vortex Diode at Low Flow Rate Condition
吴燕华,何兆忠,陈堃
摘要(Abstract):
为研究氟盐冷却高温堆(Fluoride-salt-cooled High temperature Reactor,FHR)非能动余热排出系统的控流装置——涡流二极管在低流速下的性能参数,建立了实验装置,测试了在水工质下由3D打印尼龙材料涡流二极管的单向特性,并由实验结果得到相同结构尺寸的涡流二极管在FliBe工质下的压降值。研究结果表明,本文实验流量范围内测得的涡流二极管单向性随雷诺数的增加不断升高,最大值为23。正向流动阻力系数随雷诺数的升高不断降低,反向流动阻力系数随雷诺数的增大先增大后降低。研究结果还表明本文研究的涡流二极管结构不适用于小功率氟盐冷却高温堆非能动余热排出系统的设计。
关键词(KeyWords): 氟盐冷却高温堆;非能动衰变热排出系统;涡流二极管;单向性;FLiBe;压降
基金项目(Foundation): 中国科学院战略性先导科技专项(No.XDA02050100);; 上海市科研计划项目(No.14ZR1448400)资助
作者(Author): 吴燕华,何兆忠,陈堃
参考文献(References):
- [1]Kulkarni AA,Ranade VV,Rajeev R,et al.CFD simulation of flow in vortex diodes[J].AIChE Journal,2008,54(5):1139-1152.
- [2]Kulkarni AA,Ranade VV,Rajeev R,et al.Pressure drop across vortex diodes:Experiments and design guidelines[J].Chemical Engineering Science,2009,64(6):1285-1292.
- [3]焦磊,陈枞楠,吴淳杰,等.切向管结构对涡流二极管性能影响的数值模拟[J].工程热物理学报,2011,(03):415-418.
- [4]邵森林,李江云,邱寒.提高涡流二极管性能的数值仿真分析[J].工程热物理学报,2011,(06):953-956.
- [5]王乐勤,孙青军,焦磊.涡流二极管泵输送系统性能研究[J].工程热物理学报,2009,30(09):1499-1501.
- [6]郭彦华.核用气动式脉冲液体射流泵和涡流二极管泵性能实验研究[D].清华大学,2004.
- [7]吴燕华,曹寅,曲世祥,何兆忠,陈堃.工质替代FLiBe研究涡流二极管单向特性的模化分析[J].核技术,2014,37(11).
- [8]Forsberg C,Hu L W,Peterson P F,et al.Fluoridesalt-cooled High-temperature reactors(FHRs)for baseload and peak electricity,grid stabilization,and process heat[R].America:Massachusetts Institute of Technology,University of California at Berkeley,and University of Wisconsin,2013.
- [9]R.Burnett,D.Caso,and J.Tang.Fluidic Diode Development and Optimization[R].Department of Nuclear Engineering,U.C.Berkeley,May 14,2010.
- [10]Qiuping Lv,Minghui Chen,Xiaodong Sun,et al.Design of Fluidic Diode for a High-Temperature DRACS Test Facility[C].Nuclear engineering,2013.