Effect of meridian plane dip angle of the variable pitch inducer blade on cavitation performance of high-speed centrifugal pump
Cheng, Xiaorui1,2; Jia, Ningning1; Lv, Boru1; Chen, Hongxing1
2020-04-06
发表期刊JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING
ISSN1678-5878
卷号42期号:5
摘要

To study the effect of the dip angle of the inducer blade section in the meridian plane on the cavitation performance of the high-speed centrifugal pump, four schemes of the inducer have been considered only by changing the dip angle of the blade section in the meridian plane while keeping the other geometrical parameters unchanged. Based on the RNG k- turbulence model and Zwart-Gerber-Belamri cavitation model, three-dimensional numerical simulation of a high-speed centrifugal pump is carried out. The results show that the cavitation performance of high-speed centrifugal pump will be improved when the dip angle of the blade section in the meridian plane increases within a certain range, but the cavitation performance will deteriorate when the dip angle exceeds a certain extent. A moderate raise of the blade section dip angle will change the blade inlet angle and blade outlet angle of the shroud and hub of the inducer, improve the matching of the liquid flow angle with the blade inlet angle and restrain the cavitation at the blade leading edge. The change in the dip angle has a weak influence on the external performance of the high-speed centrifugal pump, indicating that there is almost no effect on the capacity of the inducer.

关键词High-speed centrifugal pump Inducer Dip angle Cavitation Numerical calculation
DOI10.1007/s40430-020-02289-3
收录类别SCI ; SCIE ; EI
语种英语
资助项目Natural Science Foundation of China[51469013]
WOS研究方向Engineering
WOS类目Engineering, Mechanical
WOS记录号WOS:000525269100002
出版者SPRINGER HEIDELBERG
EI入藏号20201608457568
EI主题词Cavitation
EI分类号618.2 Pumps - 631.1.1 Liquid Dynamics - 921 Mathematics
来源库WOS
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/64127
专题能源与动力工程学院
通讯作者Cheng, Xiaorui
作者单位1.Lanzhou Univ Technol, Coll Energy & Power Engn, Lanzhou 730050, Peoples R China;
2.Key Lab Fluid Machinery & Syst Gansu Prov, Lanzhou 730050, Peoples R China
第一作者单位能源与动力工程学院
通讯作者单位能源与动力工程学院
第一作者的第一单位能源与动力工程学院
推荐引用方式
GB/T 7714
Cheng, Xiaorui,Jia, Ningning,Lv, Boru,et al. Effect of meridian plane dip angle of the variable pitch inducer blade on cavitation performance of high-speed centrifugal pump[J]. JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING,2020,42(5).
APA Cheng, Xiaorui,Jia, Ningning,Lv, Boru,&Chen, Hongxing.(2020).Effect of meridian plane dip angle of the variable pitch inducer blade on cavitation performance of high-speed centrifugal pump.JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING,42(5).
MLA Cheng, Xiaorui,et al."Effect of meridian plane dip angle of the variable pitch inducer blade on cavitation performance of high-speed centrifugal pump".JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING 42.5(2020).
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