Research Article
Mar 1963
Valve Stroking to Control Water Hammer
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 89, Issue 2
Abstract
Equations are developed for the closing of a valve at the downstream end of a pipeline leading from a reservoir so that a maximum permitted pipe stress is not exceeded and pressures remain above their steady state values at all times. By allowing the unit of time to be the round-trip travel time of the pressure wave, the hydraulic grade line is established in the first unit of time that is linear and yields the maximum permitted pipe stress. In addition, uniform flow is established in the pipeline. The hydraulic grade line is maintained constant while the flow decelerates uniformly throughout the pipe. During the last unit of time before complete closure, the hydraulic gradeline is brought down to the level of the reservoir and the flow is brought to rest. Turbulent frictional effects are included. These equations may be applied to digital-computer solutions. Valve opening equations are also developed to avoid pressures in excess of steady state values.
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Information
Published In
Journal of the Hydraulics Division
Volume 89 • Issue 2 • March 1963
Pages: 39 - 66
Copyright
© 1963 American Society of Civil Engineers.
History
Published in print: Mar 1963
Published online: Feb 3, 2021
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Authors
Affiliations
Victor L. Streeter, F.ASCE
Prof. of Hydr., Civ. Engrg. Dept., Univ. of Michigan, Ann Arbor, Mich.; visiting Prof., Civ. Engrg. Dept., Univ. of Colorado, Boulder, Colo. (spring, 1963)
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.