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Technical Briefs

Air Suction Characteristics of a Water Hydraulic Piston Pump With Check Valves

[+] Author and Article Information
Xiaofeng He, Wei Huang, Liang Luo

School of Mechanical Science and Engineering,  Huazhong University of Science and Technology, 1037 Luoyu Road, 430074 Wuhan, Hubei, China

Bihai Zhu1

School of Mechanical Science and Engineering,  Huazhong University of Science and Technology, 1037 Luoyu Road, 430074 Wuhan, Hubei, Chinazhu_bihai@163.com

1

Corresponding author.

J. Fluids Eng 133(11), 114502 (Oct 27, 2011) (3 pages) doi:10.1115/1.4005259 History: Received June 02, 2011; Revised October 05, 2011; Published October 27, 2011; Online October 27, 2011

The purpose of this paper is to investigate the air suction characteristics of a water hydraulic piston pump with check valves. The influence of some factors on its air suction performance, including compression ratio, initial spring forces, valve gaps, etc., was simulated. The real suction height of the pump prototype was tested and it agreed well with the simulation result. The compression ratio and the outlet pressure of the pump have been found to be dominant. This study can provide a guide for the design of a piston pump whose air suction characteristics need to be considered in application.

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Copyright © 2011 by American Society of Mechanical Engineers
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Figures

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Figure 1

Schematic diagram of the water hydraulic piston pump

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Figure 2

Air suction block diagram of the pump with single piston

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Figure 3

Water column of the suction line

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Figure 4

Suction height versus compression ratio

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Figure 5

Suction height versus initial spring force of the inlet valve

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Figure 6

Suction height versus initial spring force of the outlet valve

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Figure 7

Suction height versus valve gap

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