Gate valves often act as a source of tonal noise in piping systems. Occasionally, this can lead to excessive environmental noise levels. This paper presents the results of a model testing program that was conducted to determine the most cost-effective way to eliminate the noise source in one such valve. Over 300 tests were conducted on 25 different valve configurations. Testing of the original valve configuration indicated that the noise was caused by vortex shedding over the valve seat cavity coupled with an acoustic resonance across the throat of the valve. Numerous modifications to the valve seats, seat cavity, and disk were tested to determine how the vortex shedding could best be controlled. The effect of these modifications on the unsteady pressures in the valve and adjacent piping are presented and discussed. For the valve under consideration, it was concluded that the noise could best be eliminated by chamfering the upstream and downstream valve seats. Recommendations for avoiding noise problems in other valve installations are presented. [S0094-9930(00)00503-5]
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e-mail: smithba@aecl.ca
e-mail: luloffb@aecl.ca
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November 2000
Technical Papers
The Effect of Seat Geometry on Gate Valve Noise
Bruce A. W. Smith,
e-mail: smithba@aecl.ca
Bruce A. W. Smith
Atomic Energy of Canada Limited, Chalk River Laboratories, Chalk River, Ontario, Canada K0J 1J0
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Brian V. Luloff
e-mail: luloffb@aecl.ca
Brian V. Luloff
Atomic Energy of Canada Limited, Chalk River Laboratories, Chalk River, Ontario, Canada K0J 1J0
Search for other works by this author on:
Bruce A. W. Smith
Atomic Energy of Canada Limited, Chalk River Laboratories, Chalk River, Ontario, Canada K0J 1J0
e-mail: smithba@aecl.ca
Brian V. Luloff
Atomic Energy of Canada Limited, Chalk River Laboratories, Chalk River, Ontario, Canada K0J 1J0
e-mail: luloffb@aecl.ca
J. Pressure Vessel Technol. Nov 2000, 122(4): 401-407 (7 pages)
Published Online: March 7, 2000
Article history
Received:
January 18, 2000
Revised:
March 7, 2000
Citation
Smith, B. A. W., and Luloff, B. V. (March 7, 2000). "The Effect of Seat Geometry on Gate Valve Noise ." ASME. J. Pressure Vessel Technol. November 2000; 122(4): 401–407. https://doi.org/10.1115/1.1286031
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