Theoretical Calculation and Modeling Analysis of Pump Comprehensive Performance Test of Auxiliary Feed Water System
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摘要: 中国改进型三环路压水堆(CPR1000)辅助给水系统(ASG)泵综合性能试验结果不满足监督要求时,需要对管路系统中的节流元件进行调整。简要介绍该试验中节流元件的调整原理,通过工程流体力学理论计算与计算流体动力学(CFD)建模分析得到节流元件的调整结果。通过2种分析方法的对比可以发现理论计算结果与建模分析结果具有较好的一致性。根据理论计算与建模分析方法各自的特点,在工程中可以根据实际需要选择最为简便的方法。
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关键词:
- 辅助给水系统(ASG)泵 /
- 泵综合性能试验 /
- 节流元件 /
- 工程流体力学 /
- 计算流体动力学(CFD)
Abstract: When the results of the pump comprehensive performance test of the auxiliary feedwater system（ASG） of CPR1000 do not satisfy the supervision requirements, the throttle elements in the pipeline system need to be adjusted. This paper gives a brief description of the adjustment principle of the throttling element. The methods of the theoretical calculation of engineering fluid mechanics and computational fluid dynamics（CFD） provide two ways to obtain the adjustment of the throttling element results. The comparison between two analytical methods shows that the theoretical calculation results are consistent with the modeling analysis results. According to the respective characteristics of theoretical calculation and modeling analysis, the most convenient method can be selected according to the actual needs. -
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