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SUCTION HOSE FRICTION LOSSES DETERMINED BY TESTS AT U. OF W.

Issue 9 and Volume 106.

SUCTION HOSE FRICTION LOSSES DETERMINED BY TESTS AT U. OF W. Friction Data on Three Sizes Made Available by Henry S. Morton, LCDR, U. S. N., following Comprehensive Tests DURING the past year, Lieutenant Commander Henry S. Morton carried out a project at the hydraulic laboratories of the University of Washington, on friction loss determinations in hard suction hose of 4 1/2-inch, 5-inch and 6inch diameters for varying flows. These data will very effectively supplement those secured in a series of experiments by John R. Freeman, which were conducted in 1889 on the flow of water through fire hose, of which the values of friction factors, at velocities ranging between ten and thirty feet per second, were obtained. The hose included in the Freeman tests was all soft, flexible hose, non-reinforced. To date, very little information has been published on friction factors for hard, wirereinforced rubber hose. The principal object…

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