An insight into the flow field characteristics of the high temperature liquid Sodium (Na) with cavitation effects in the 600 MW fast reactor system

被引：4
|
作者：
Xie, Zhongliang [1 ]
Chen, Rugang [2 ]
Zhu, Weidong [3 ]
机构：
[1] Northwestern Polytech Univ, Dept Engn Mech, Xian 710072, Peoples R China
[2] China Ship Dev & Design Ctr, Wuhan 430064, Peoples R China
[3] Univ Maryland Baltimore Cty, Dept Mech Engn, 1000 Hilltop Circle, Baltimore, MD 21250 USA
来源：
ANNALS OF NUCLEAR ENERGY | 2022年 / 165卷
基金：
中国国家自然科学基金;
关键词：
Flow characteristics; Sodium pump; Pressure distribution; Cavitation performances; Numerical simulation; CENTRIFUGAL PUMP; QUANTITATIVE VISUALIZATION; LUBRICATION STATES; DIFFUSER VANES; PART I; IMPELLER; TRANSITIONS; SIMULATION; BEARING;
D O I：
10.1016/j.anucene.2021.108706
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The paper explores the flow field characteristics of liquid Sodium pump, the flow field calculation model is established. The head and efficiency curves of sodium pump obtained by simulation are compared with the test data to verify the accuracy of the model. Flow characteristics inside the impeller, guide vane and the volute are investigated and summarized. The pressure distribution and velocity distribution characteristics of the steady flow field and the pressure fluctuation and fluid force characteristics of the unsteady flow field are further analyzed, which provides the basis for the calculation of flow induced vibration and sound field. The dynamic processes of Sodium cavitation effects are stimulated and studied systematically. The causes of fluid excited vibrations in Sodium pump are preliminarily revealed. Researches have remarkable guiding significances for the analysis of flow characteristics of Sodium pump system of the new generation 600 MW nuclear main pump system. (c) 2021 Elsevier Ltd. All rights reserved.
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页数：11
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