Research Article
Feb 1972
Drag Reduction Application in Fire Fighting Systems
Publication: Journal of the Sanitary Engineering Division
Volume 98, Issue 1
Abstract
Predictions concerning the maximum friction reduction by drag reducing polymeric additives are presented. It was found that in rough firehoses, a reduction of about 60% in friction losses can be obtained. Polymeric additives can be used in fire fighting systems in order to increase the flow rate. However, it seems that 1-1/2 in. firehoses cannot be made as effective as 2-1/2 in. firehoses by the addition of drag reducing polymers. Polymeric slurries can be used as drag reducing agents; however, in common firehoses about 400 pipe diameters are required to activate the polymers injected as polymeric slurry to the water flowing in the firehose.
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Published In
Journal of the Sanitary Engineering Division
Volume 98 • Issue 1 • February 1972
Pages: 01 - 09
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Feb 1972
Published online: Feb 12, 2021
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Authors
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Hillel Rubin, M.ASCE
Sr. Res. Sci.; HYDRONAUTICS, Inc., Laurel, MD; on leave from Civ. Engrg. Dept., Technion, Haifa, Israel
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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.