• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2018, Vol. 54 ›› Issue (7): 176-183.doi: 10.3901/JME.2018.07.176

• 数字化设计与制造 • 上一篇    下一篇

CAP1400屏蔽电机主泵高效水力模型研发

周方明, 徐胜利, 王晓放, 孙涛, 王巍   

  1. 大连理工大学能源与动力学院 大连 116000
  • 收稿日期:2017-04-12 修回日期:2017-12-24 出版日期:2018-04-05 发布日期:2018-04-05
  • 通讯作者: 王晓放(通信作者),女,1960年出生,教授,博士研究生导师。主要研究方向为透平机械(蒸汽轮机、压缩机、核主泵)气动、水力、热力性能的数值模拟和优化分析。E-mail:dlwxf@dlut.edu.cn
  • 作者简介:周方明,男,1981年出生,博士研究生。主要研究方向为流体机械水力设计。E-mail:xiaomagehai@126.com
  • 基金资助:
    国家重点基础研究发展计划(973计划,2015CB0573001)、辽宁省科技创新重大专项项目(CAP1400屏蔽电机核主泵水力部分研制,201410001)和辽宁重大装备制造协同创新中心资助项目。

High Efficiency Hydraulic Model Development of CAP1400 Canned Nuclear Reactor Coolant Pump

ZHOU Fangming, XU Shengli, WANG Xiaofang, SUN Tao, WANG Wei   

  1. School of Energy and Power Engineering, Dalian University of Technology, Dalian 116000
  • Received:2017-04-12 Revised:2017-12-24 Online:2018-04-05 Published:2018-04-05

摘要: 大型三代先进压水堆核电站最后一个难度最大的重大装备CAP1400大功率屏蔽电机主泵正在国产化研制,关键水力部件叶轮和导叶的水力设计是核主泵科学研究中的一项重点也是难点。基于前期相关研究基础,研发设计比转速约105的混流式缩尺(1:2.5)高效水力模型,探讨模型建立、参数化水力设计、CFD数值计算与水力性能优化、模型试验与性能分析;针对最优效率点和流动损失进行探讨,给出多重约束下高效叶轮和导叶设计建议。模型试验得到水力模型设计点效率为84.92%、性能曲线变化平缓、运行范围内效率高、且汽蚀性能良好;换算到真机工况效率达到88.3%。该水力模型成为重大专项CAP1400屏蔽电机主泵水力部件采纳的设计方案之一,为后续核主泵水力部件的高性能设计、工程应用提供重要借鉴和原始技术积累。

关键词: 核主泵, 试验, 水力设计与CFD, 效率, 叶轮和导叶

Abstract: The CAP1400 canned nuclear reactor coolant pump as the last and most difficult major equipment in advanced third generation pressurized water reactor nuclear power plant has been domestic developed. Impeller and vane diffuser are the key hydraulic components in the pump. Hydraulic design is a topic in the scientific researching. Based on previous related research, the high efficiency hydraulic model (on a scale 1:2.5) is designed. And the specific speed of mix-flow impeller is almost 105. The hydraulic mode establishing, parametric design, optimization with CFD, model testing and performance analysis is discussed. Hydraulic model efficiency is 84.92% at design point, performance curves changing stably, high efficiency in operating range, good cavitation performance; and prototype scaled efficiency is 88.3% at design point using affinity law. The hydraulic model becomes one of the two hydraulic components designs in the CAP1400 canned nuclear reactor coolant pump major special project. The hydraulic model becomes an important reference and primary technology accumulation for subsequent hydraulic components design and engineering application.

Key words: canned nuclear reactor coolant pump, efficiency, hydraulic design and CFD, impeller and diffuser, test

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