An Investigation Into the Characteristics of a Two Dimensional “2D” Flow Control Valve

[+] Author and Article Information
J. Ruan

Department of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. Chinae-mail: wxmin@mail.hz.zj.cn

R. Burton, P. Ukrainetz

Department of Mechanical Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, Saskatchewan, Canada, S7N 5A9e-mail: burton@engr.usask.ca1

J. Dyn. Sys., Meas., Control 124(1), 214-220 (Mar 22, 2001) (7 pages) doi:10.1115/1.1433480 History: Received March 22, 2001
Copyright © 2002 by ASME
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Assembly of the pilot controlled valve
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Geometric position between the hole and spiral groove
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Flow chart of the pilot controlled valve
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Experimental assembly for measuring the mechanical stiffness of the spool
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Mechanical stiffness of the spool
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Measurement of leakage from the crescent overlap area
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Leakage as a function of different overlap sizes
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Arrangement for the testing of step response
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Step response of spool under different overlap size
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Response time under different system pressures
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Response time under different step magnitudes
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Effect of the depth of the left spool chamber, Lν, on the step response
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Flow between hole A or B and spiral groove



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