Research Article
May 1967
Valve Stroking for Complex Piping Systems
Publication: Journal of the Hydraulics Division
Volume 93, Issue 3
Abstract
A theory is developed for movement of valves in complex piping systems so that the transient ceases when the valve movement ceases. One pipe in the system is selected and the head-time relations determined so that this flow is adjusted in a controlled manner not exceeding predetermined head limits. In a complex system, the flow changes are apportioned among the branches as a linear relation of initial to final steady-state flow in each pipe. The combination of these two procedures leads to values of head and flow at each control point in the system; hence, the valves or other moving boundaries may be adjusted to cause the desired transient change to occur. Frictional effects are included in the analysis which is based on the method of characteristics solution of the transient flow equations. The theory has been verified experimentally and results are given for two cases using 4,000 ft of 0.95-in. copper tubing.
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Published In
Journal of the Hydraulics Division
Volume 93 • Issue 3 • May 1967
Pages: 81 - 98
Copyright
© 1967 American Society of Civil Engineers.
History
Published in print: May 1967
Published online: Feb 3, 2021
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Authors
Affiliations
Victor L. Streeter, F.ASCE
Prof. of Hydraulics, Univ. of Michigan, Ann Arbor, Mich
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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.