干旱区生态环境知识资源中心(Arid): Effect of blade tip leakage flow on erosion of a radial inflow turbine for compressed air energy storage system

Arid

DOI	10.1016/j.energy.2019.04.139
	Effect of blade tip leakage flow on erosion of a radial inflow turbine for compressed air energy storage system
	Wang, Xing 1; Zhang, Xuehui 1; Zhu, Yangli 1; Zhang, Xinjing 1; Li, Wen 1,2; Chen, Haisheng 1,2
通讯作者	Chen, Haisheng
来源期刊	ENERGY
ISSN	0360-5442
EISSN	1873-6785
出版年	2019
卷号	178 页码:195-206
英文摘要	The erosion caused by sand particles significantly influences the safety of radial inflow turbine in Compressed Air Energy Storage (CAES) system which operated in desert area. In present study, effects of tip leakage flow on erosion of a CAES radial inflow turbine are investigated at different tip clearances and total pressure ratios. A CFD model coupling Tabakoff and Grant erosion model is utilized for the analysis. Results illustrate that the trailing edge of stator, the leading edge of rotor blades, the shroud and hub surfaces near inlet of rotor cause more severe erosion at each tip clearance. Therefore, wear-resistant coating should be adopted. The severe erosion can also be found at blade tip of rotor. However, it is gradually suppressed with the increase of tip clearance. With the increase of total pressure ratio, the region with higher erosion rate on the shroud of rotor gradually extends to downstream. However, the erosion rate at leading edge of rotor blades is decreased obviously. In conclusion, the erosion effect can be alleviated remarkably when the tip clearance size is of 2% and total pressure ratio is more than 1.84, while the isentropic efficiency is almost kept the same. (C) 2019 Elsevier Ltd. All rights reserved.
英文关键词	Tip leakage flow Erosion Radial inflow turbine Variable condition CAES
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000472686300018
WOS关键词	COMPUTATIONAL ANALYSIS ; DESIGN
WOS类目	Thermodynamics ; Energy & Fuels
WOS研究方向	Thermodynamics ; Energy & Fuels
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/215359
作者单位	1.Chinese Acad Sci, Inst Engn Thermophys, 11 Beisihuanxi Rd, Beijing 700190, Peoples R China; 2.Univ Chinese Acad Sci, Sch Engn Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Wang, Xing,Zhang, Xuehui,Zhu, Yangli,et al. Effect of blade tip leakage flow on erosion of a radial inflow turbine for compressed air energy storage system[J],2019,178:195-206.
APA	Wang, Xing,Zhang, Xuehui,Zhu, Yangli,Zhang, Xinjing,Li, Wen,&Chen, Haisheng.(2019).Effect of blade tip leakage flow on erosion of a radial inflow turbine for compressed air energy storage system.ENERGY,178,195-206.
MLA	Wang, Xing,et al."Effect of blade tip leakage flow on erosion of a radial inflow turbine for compressed air energy storage system".ENERGY 178(2019):195-206.