0
RESEARCH PAPERS

Riser-Relief Valve Dynamic Interactions

[+] Author and Article Information
K. K. Botros

NOVA Research & Technology Corporation, Calgary, Alberta, Canada

G. H. Dunn, J. A. Hrycyk

NOVA Gas Transmission Ltd., Calgary, Alberta, Canada

J. Fluids Eng 119(3), 671-679 (Sep 01, 1997) (9 pages) doi:10.1115/1.2819297 History: Received March 16, 1996; Revised February 12, 1997; Online December 04, 2007

Abstract

The dynamic stability behavior of a typical pilot-operated relief valve has been investigated both numerically and experimentally. The valve piston equation of motion has been solved in connection with the conservation equations of the oscillating flow in the attached riser. The boundary condition at the riser tip is of a choked flow type and had to be given special attention in oscillatory flows. Pertinent quasi-steady flow equations have been formulated to describe the different phases of relief along the piston lift. A model describing the process of pressure relief is described briefly, followed by a parametric study of the effects of various factors on the oscillation levels and characters. Field measurements were taken on an NFS 8 pilot-operated dual-outlet relief valve mounted on a riser assembly of L/D = 15 in a natural gas compressor station.

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

References

Figures

Tables

Errata

Discussions

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