Flow Structure Around the Intake of a Vertical Pump  

作　　者：Akihiro WADA 

机构地区：[1]Research and Development Dept. Torishima Pump MFG. Co., Ltd., 1-1-8, Miyata-cho, Takatsuki, Osaka 569-8660, Japan

出　　处：《Journal of Thermal Science》2006年第2期121-125,共5页热科学学报（英文版）

摘　　要：The flow structure around the intake of a vertical pump is investigated experimentally and numerically in order to obtain a guideline in designing the optimum shape of the intake of vertical pumps, in which their installation area is demanded to be minimum without losing the high performance. We concentrate our attention on the expansion ratio of the intake as a representative characteristic of the shape of the pumps and investigate the effect of the expansion ratio on pump performance. It is concluded that the optimum expansion ratio ranges in 1.1-1.2 if we take into consideration that the area needed for the installation of the pump should be minimum.

关 键 词：vertical pump shape of intake flow structure around the intake 

分 类 号：TH38[机械工程—机械制造及自动化]