主泵导致主回路压力脉动的声学分析

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Acoustic Analysis of Pump Induced Pressure Pulsations on Primary Loop

Shanghai Nuclear Engineering Research and Design Institute, Shanghai, 200233, China

摘要: 从声学角度分析了主回路流体对压力脉动的响应。将声学分析软件计算结果与理论解进行对比,验证了使用软件进行声振动分析的正确性。采用ANSYS程序模拟了核电厂主回路的简化模型,并针对主泵运行工况进行了谐响应分析。计算结果可作为核电厂主设备部件的疲劳分析中泵致振动的载荷值;主回路声振动响应较大的位置可以用于优化主回路设计。
- 主泵 /
- 声振动 /
- 压力脉动 /
- 数值模拟
Abstract: The pulsations in the primary loop have been studied by acoustic analysis.The results calculated by acoustic analysis code and theories have been compared to verify the feasibility of acoustic analysis code.Primary loop is simulated by ANSYS using simplified model.According to the operation of reactor coolant pump,a harmonic analysis has been finished.The result provides the pump-induced loads for the fatigue analysis of main components.It can be used to optimize the design of primary loop.
- Reactor coolant pump /
- Acoustic pulsation /
- Pressure pulsation /
- Numerical simulate