Nonlinear Dynamic Model of a Two-Stage Pressure Relief Valve for Designers

[+] Author and Article Information
Pei-Sun Zung, Ming-Hwei Perng

Department of Power Mechanical Engineeering, National Tsing Hua University, Hsinchu 30043, Taiwan, R.O.Ce-mail: mhperng@mx.nthu.edu.tw

J. Dyn. Sys., Meas., Control 124(1), 62-66 (Mar 05, 2001) (5 pages) doi:10.1115/1.1435363 History: Received March 05, 2001
Copyright © 2002 by ASME
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(a) Schematic diagram of the valve; (b) needle valve and orifice Ry; (c) piston and orifice Rx
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Complete function block diagram of the pressure valve
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(a) Steady responses P1 to ↺; (b) steady responses Qy to ↺
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(a) P1 in the low pressure range; (b) P1 in the medium pressure range; (c) P1 in the high pressure range. Typical dynamic response of P1 in various working ranges.




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