TECHNICAL NOTES
Oct 1, 2000
Pressure-Flow Relationships for DistributionSystem Connections
Authors: Srinivasa Lingireddy and Don J. WoodAuthor Affiliations
Publication: Journal of Hydraulic Engineering
Volume 126, Issue 10
Abstract
The suggested practice of using single point test data to construct a “straight line” (i.e., hydraulically scaled) water supply plot is investigated herein. It is shown that this widely used practice may lead to large errors in determining the available pressure at a connection for a design flow condition. It is further shown that using a second test point to construct a quadratic water supply plot can produce far better accuracy. Inaccurate plots of the available pressures can lead to erroneous fire flow predictions and improperly designed fire protection sprinkler systems. This raises safety concerns in addition to poorly designed facilities.
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References
1.
Installation, field testing, and maintenance of fire hydrants. (1989). American Water Works Association, Denver.
2.
Standard for installation of sprinkler systems; NFPA 13. (1994). National Fire Protection Association, Quincy, Mass.
3.
Walski, T. M. (1984). “Hydrant flow test results.”J. Hydr. Engrg., ASCE, 110(6), 847–851.
Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 126 • Issue 10 • October 2000
Pages: 786 - 791
History
Received: Sep 2, 1997
Published online: Oct 1, 2000
Published in print: Oct 2000
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Authors
Affiliations
Srinivasa Lingireddy
Don J. Wood
Assoc. Prof. of Civ. Engrg., Univ. of Kentucky, Lexington, KY 40506-0281.
Prof. of Civ. Engrg., Univ. of Kentucky, Lexington, KY.
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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.