Dynamic Model for a Dome-Loaded Pressure Regulator

[+] Author and Article Information
A. Nabi, E. Wacholder

Rafael–Israel Armament Development Authority, P.O. Box 2250, Haifa, 31021, Israel

J. Dayan

Technion–Israel Institute of Technology, Mechanical Engineering Faculty, Haifa, 32000, Israele-mail: merdayan@tx.technion.ac.il

J. Dyn. Sys., Meas., Control 122(2), 290-297 (Dec 17, 1997) (8 pages) doi:10.1115/1.482464 History: Received December 17, 1997
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
Schematics of gas DLPR and experimental arrangements
Grahic Jump Location
The schematic force diagram and main nomenclature for the DLPR, (a) Forces acting on the poppet and on the control piston, (b) Poppet’s schematic diagram.
Grahic Jump Location
Simulation of regulator reaction to a 60.5 bar step change in command pressure (inlet pressure 122 bar). Run conditions: α=0.8,β=0.4,f=100 N,dc=1.06 mm,d1=d3=4 mm,Fs=3800 N.
Grahic Jump Location
Empirical correlation for the correction factors α and β as function of outlet to inlet pressure ratio assuming α=β
Grahic Jump Location
Regulator response in run no. 2 for command pressure of 60.5 bar and needle valve openings of 1.06 mm. Run 2 conditions: Pνo=60.5 bar,Ps=122 bar,dc=1.06 mm.
Grahic Jump Location
Regulator dynamics at low command pressures of 20 bar for run no. 6. Run 6 conditions: Pνo=20 bar,Ps=114 bar,dc=1.06 mm.
Grahic Jump Location
Dynamic response of the regulator for a dc=2 mm command-orifice diameter
Grahic Jump Location
The effect of changing the size of the equalizing holes (d1=d3=2 mm)
Grahic Jump Location
Cross comparison of the various parameter effects on regulator dynamics as a function of the restriction opening, dc. (a) Dependence of overshoot in poppet movement on dc for different initial spring loading and pressure equalizing holes. (b) Overshoot in outlet pressure, Po, as function of dc for various sizes of the pressure equalizing holes and for different supply pressures. (c) Settling time as a function of dc.
Grahic Jump Location
Effect of variable correction factors α and β (Fig. 4) on the model predictions for conditions in run 2




Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In