轴流泵前置导轮的结构形式及水力特性研究  

Research on Structural Forms and Hydraulic Characteristics of Front Guide Impeller for Axial Flow Pumps

作　　者：陈坚 刘德祥 宋元胜 袁瑞红 冯贤华[1] 

机构地区：[1]湖北省水利厅农水处

出　　处：《武汉水利电力大学学报》1998年第3期21-24,共4页Engineering Journal of Wuhan University

摘　　要：为消除大中型轴流泵站因进口流态不良引起的汽蚀、振动和噪音，同时探讨将前置导轮用于轴流泵吸入性能调节的可能性，分析研究了前置导轮的结构和特性，包括导轮三种水力设计方案的叶片形式及其水力特性、导轮对主叶轮性能的影响以及导轮的主要结构参数等．In order to eliminate cavitation,noise and vibration of large and middle scale axial flow pumps under the circumstances of worse inlet flow form,and to explore the possibility of adjusting suction performance of axial flow pumps,this paper researches and analyzes the structures and characteristics of the front guide impeller,including its vane shapes and hydraulic characteristics for three hydraulic design schemes,its influences on the main impeller performances,its main structural parameters and so on.

关 键 词：轴流泵 前置导轮 结构形式 水力特性 

分 类 号：TH312[机械工程—机械制造及自动化] TV675[水利工程—水利水电工程]