Please use this identifier to cite or link to this item: https://doi.org/10.1061/(ASCE)0733-9429(2000)126:2(150)
Title: Efficiency of jet pumps
Authors: Winoto, S.H. 
Li, H.
Shah, D.A. 
Issue Date: 2000
Source: Winoto, S.H.,Li, H.,Shah, D.A. (2000). Efficiency of jet pumps. Journal of Hydraulic Engineering 126 (2) : 150-156. ScholarBank@NUS Repository. https://doi.org/10.1061/(ASCE)0733-9429(2000)126:2(150)
Abstract: 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.
Source Title: Journal of Hydraulic Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/58243
ISSN: 07339429
DOI: 10.1061/(ASCE)0733-9429(2000)126:2(150)
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