Efficiency of jet pumps

被引：89

作者：

Winoto, SH ^{[1
]}

Li, H ^{[1
]}

Shah, DA ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Mech & Prod Engn, Singapore 119260, Singapore

来源：

JOURNAL OF HYDRAULIC ENGINEERING-ASCE | 2000年 / 126卷 / 02期

关键词：

D O I：

10.1061/(ASCE)0733-9429(2000)126:2(150)

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A theoretical analysis and an experimental study on the efficiency of water jet pumps, where water is used for both the primary and secondary flows, are presented in this paper. The theoretical efficiency equations for such jet pumps were first derived based on one-dimensional formulation, and the theoretical maximum ideal efficiency of 100% was obtained. An experimental rig was designed and constructed to conduct the experimental study in which a commercial water jet pump was used. The effects of different area ratios of nozzle to mixing throat as well as different nozzle cross sections, which include square and triangular nozzles, on the jet pump performance were then investigated. The best nozzle cross section for the jet pump was found to be circular, and for high efficiency, the area ratio was found to be around 0.30.

引用

页码：150 / 156

页数：7

共 12 条

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