Effect of guide wane airfoil optimization on the S characteristics of pump turbines

doi:10.11990/jheu.202106034

IR > 新能源学院

	Effect of guide wane airfoil optimization on the S characteristics of pump turbines
	Li, Qifei1,2 ; Huang, Teng 1; Zheng, Fei 1; Xin, Lu 1; Xie, Gengda 1
	2023-08
发表期刊	Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University
ISSN	1006-7043
卷号	44 期号:8 页码:1354-1360
摘要	In this study, a pump turbine model was taken as the research object, and the SST k-ω turbulence model was used to conduct the three-dimensional numerical calculation of the entire channel of a pump turbine to improve the S characteristics of pump turbines. The n11-Q11 simulation curve was obtained, and the S characteristics of the unit were improved by optimizing the airfoil of the movable guide vane, and pressure pulsation analysis was performed on the vaneless zone of the unit after the airfoil of the movable guide vane was optimized. Results showed that the optimized movable guide vane airfoil improved the S characteristics of the unit. Although the efficiency of the unit was slightly reduced after airfoil optimization, the overall efficiency of the unit remained above 90%. Pressure pulsation in the vaneless zone was mainly caused by the divergence of the flow from the movable guide vane area and the working surface of the runner blade due to impact as well as interference between the runner vane and the active guide vane cascades composed of dynamic and static vane cascades. The modified movable guide vane reduced the amplitude of pressure pulsation in the vaneless zone. This effect improved the safety factor of the pump turbine to a certain extent. © 2023 Editorial Board of Journal of Harbin Engineering. All rights reserved.
关键词	Airfoils Curve fitting Efficiency Pumps Turbulence models Airfoil design Characteristic curve Guide-vane Interference between the runner vane and the active guide vane cascade Movable guide vane Numerical calculation Pump-turbines S characteristic curve Water pump Water pump turbine
DOI	10.11990/jheu.202106034
收录类别	EI
语种	中文
出版者	Editorial Board of Journal of Harbin Engineering
EI入藏号	20233714709995
EI主题词	Safety factor
EI分类号	618.2 Pumps ; 652.1 Aircraft, General ; 913.1 Production Engineering ; 914.1 Accidents and Accident Prevention ; 921.6 Numerical Methods
原始文献类型	Journal article (JA)
引用统计	无
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/166280
专题	新能源学院
通讯作者	Li, Qifei
作者单位	1.School of Energy and Power Engineering, Lanzhou University of Technology, Lanzhou; 730050, China; 2.State Key Laboratory of Fluid Machinery and Systems of Gansu Province, Lanzhou; 730050, China
第一作者单位	新能源学院
通讯作者单位	新能源学院
第一作者的第一单位	新能源学院
推荐引用方式 GB/T 7714	Li, Qifei,Huang, Teng,Zheng, Fei,et al. Effect of guide wane airfoil optimization on the S characteristics of pump turbines[J]. Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University,2023,44(8):1354-1360.
APA	Li, Qifei,Huang, Teng,Zheng, Fei,Xin, Lu,&Xie, Gengda.(2023).Effect of guide wane airfoil optimization on the S characteristics of pump turbines.Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University,44(8),1354-1360.
MLA	Li, Qifei,et al."Effect of guide wane airfoil optimization on the S characteristics of pump turbines".Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University 44.8(2023):1354-1360.