Optimal Orifice Geometry for a Hydraulic Pressure-Reducing Valve

[+] Author and Article Information
N. D. Manring

Mechanical & Aerospace Engineering, University of Missouri-Columbia, Columbia, MO 65211

R. E. Johnson

Mechanical Engineering and Engineering Science, The University of North Carolina, Charlotte, NC 28223

J. Dyn. Sys., Meas., Control 119(3), 467-473 (Sep 01, 1997) (7 pages) doi:10.1115/1.2801280 History: Received March 11, 1996; Online December 03, 2007


In this paper, the flow gain of a hydraulic pressure-reducing valve is examined. It is noted that classical linear-analysis is typically used to optimize the flow gain of hydraulic control-systems and that in practice this parameter is usually nonlinear. For this reason, it is important that a designer know how to reconcile the optimization using linear analysis with the implementation of the nonlinear physical design. In particular, this paper concerns itself with the steady-state flow gain and the shape of the flow passage that contributes to the nonlinear flow-gain characteristics. The shapes of a circle, a rectangle, a diamond, and a triangle are discussed and it is shown that a triangular shape provides an optimal flow passage compared to other shapes of similar size.

Copyright © 1997 by The American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.






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