王为术,许鹏,徐维晖,朱晓静,毕勤成

• 1:华北水利水电大学热能工程研究中心
• 2:大连理工大学能源与动力学院
• 3:西安交通大学动力工程多相流国家重点实验室

摘要(Abstract)：

采用结构化多面体网格和商用CFD软件对反应堆堆芯棒径D=8 mm,栅距比P/D=1.4超临界水冷反应堆内带定位格架类三角形堆芯通道内超临界水流动与传热特性进行研究。研究结果表明:采用SSG湍流模型计算得出的内壁温度与实验数据吻合良好。定位格架会导致工质产生扰动,阻流片型定位格架比标准型定位格架对流体扰动影响大。定位格架可强化堆芯通道内超临界水传热,阻流片型定位格架末端强化换热能力要优于标准型定位格架。

关键词(KeyWords)： 超临界水冷反应堆;类三角形子通道;定位格架;流动特征;传热特性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51406026);; 河南省高校科技创新团队支持计划资助项目(16IRTSYHN017);; 河南省科技创新人才计划(154100510011)

作者(Author): 王为术,许鹏,徐维晖,朱晓静,毕勤成

参考文献(References)：

• [1]夏榜样,杨平,王连杰,等.超临界水冷堆CSR1000堆芯初步概念设计[J].核动力工程,2013,34(01):9-14.
• [2]Shitsman M E.Impairment of the heat transmission at supercritical pressures[J].High Temperature,1963,1(2):237-244.
• [3]Yamagata K,Nishikawa K,Hasegawa S,et al.Forced convective heat transfer to supercritical water flowing in tubes[J].International Journal of Heat MassTransfer,1972,15(12):2575-2593.
• [4]王建国,李会雄.垂直上升管内临界压力区水的传热恶化研究[J].中国电机工程学报,2011,31(23):67-73.
• [5]Wang H,Bi Q C,Yang Z D,et al.Experimental and numerical study on the enhanced effect of spiral spacer to heat transfer of supercriticalpressure water in verticalannular channels[J].Applied Thermal Engineering,2012.48(15):436-445.
• [6]党高健,罗毓珊,陈听宽,等.波纹管强化管内沸腾传热的试验研究[J].化学工程,2008(08):13-16.
• [7]H Z Li,H J Wang,Y S Luo,et al.Experimental investigation on heat transfer from a heated rod with a helically wrapped wire inside a square vertical channel to water at supercritical pressures[J].Nuclear Engineering and Design,2009,239(10):2004-2012.
• [8]何斯琪,顾汉洋,李虹波,等.带格架四棒束超临界水流动传热数值分析[J].原子能科学技术,2014,48(2):257-262.
• [9]田瑞峰,毛晓辉,王小军.定位格架典型部件对5×5棒束通道内流场影响的数值研究[J].原子能科学技术,2009,43(1):41-45.
• [10]于意奇,顾汉洋,程旭,等.不同棒束结构稠密栅元通道内的湍流CFD研究[J].原子能科学技术,2012,46(4):396-403.
• [11]Yang J,Oka Y,Ishiwatari Y,et al.Numerical investigation of heat transfer in upward flows of supercritical water in circular tubes and tight fuel rod bundles[J].Nuclear Engineering&Design,2007,237(4):420-430.
• [12]Cheng X,Kuan B,Yang Y H.Numerical analysis of heattransfer in supercritical water cooled flow channels[J].Nuclear Engineering and Design,2007,237(3):240-252.
• [13]朱晓静,滕大伟,沈胜强.超临界反应堆堆芯中定位格架阻力特性影响数值研究[J].核动力工程,2014,35(04):39-42.
• [14]Zhu X J,Morooka S,Oka Y.Numerical investigation on practicability of reducingMCST by using grid spacer ina tight rod bundle[J].Nuclear Engineering and Design,2014,270(5):198-208.
• [15]Zhu X J,Morooka S,Oka Y.Numerical investigation of grid spacer effect on heattransfer of supercritical water flows in a tight rod bundle[J].International Journal of Thermal Sciences,2014,76(2):245-257.
• [16]王为术,路统,赵鹏飞,等.超临界水冷堆类四边形子通道内超临界水的传热试验研究[J].中国电机工程学报,2014,34(20):3356-3361.
• [17]王为术,崔强,赵鹏飞,等.类四边形堆芯子通道内超临界水传热特性研究[J].原子能科学技术,2016,50(12):2175-2180.