原子能科学技术2018，Vol.52Issue(6)：1005-1012,8.DOI:10.7538/yzk.2017.youxian.0565
国产新锆合金小组件压降计算分析
Pressure Drop Calculation and Analysis of Domestic New Zirconium Alloy Fuel Assembly
王宏树 1张培升1
作者信息
- 1. 中国原子能科学研究院 反应堆工程技术研究部,北京 102413
- 折叠
摘要
Abstract
The pressure drop calculation of domestic new zirconium alloy fuel assembly(4×3)for pressurized water reactor was conducted.The calculation result was com-pared with hydraulic test's result and the hydraulic characteristic parameters of fuel assembly were acquired.Reasonable pressure loss coefficient of grid spacer was obtained by the revision of the ratio of cross-section area of the grid spacer in the flow path to the unobstructed coolant flow area.The analysis results show that the pressure loss coeffi-cient of grid spacer ranges from 0.660 to 1.060 under heating condition(28.0-310.0 ℃)and equals to 0.663 under high pressure and high temperature(15.3 MPa,309.9 ℃)conditions.The pressure drop due to the four grid spacers occupies 38.9％-45.6％of the total pressure loss of the simulation fuel assembly.关键词
压降计算/水力试验/定位格架阻力系数Key words
pressure drop calculation/hydraulic test/pressure loss coefficient of grid spacer分类
能源科技引用本文复制引用
王宏树,张培升..国产新锆合金小组件压降计算分析[J].原子能科学技术,2018,52(6):1005-1012,8.
