Research Article
Apr 1981
Flow Approaching Filter Washwater Troughs
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VIEW THE REPLYPublication: Journal of the Environmental Engineering Division
Volume 107, Issue 2
Abstract
A potential flow model is used to study the flow of backwash water, laden with filtered solids, in its progress from the top of the filter bed to the washwater troughs above the filter. For backwashing effectiveness and economy, it is of interest to minimize the region of nonuniform flow between troughs. The best practical dimensions for promoting uniform flow beneath and between the troughs are determined. For this optimal trough design and two alternative designs, the paths and travels times of fluid elements and suspended particles are studied. Factors affecting trough spacing are also considered.
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Published In
Journal of the Environmental Engineering Division
Volume 107 • Issue 2 • April 1981
Pages: 359 - 378
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Apr 1981
Published online: Feb 11, 2021
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Authors
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Jonathan A. French, M.ASCE
Sr. Hydr. Engr., Camp Dresser and McKee, Inc., One Center Plaza, Boston, Mass. 02108
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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.