WebSep 17, 2003 · According to the Ponn Supreme website, friction loss appears to be a lot less than a 10.5 coefficent. G-5 Friction loss per 100'attack hose GPM: 150 180 200 220 240 1 … WebMar 13, 2024 · Below is one example of a hand method for calculating friction loss in various sizes of hose. Using the hand method, for each 100-foot length of 1¾-inch hose flowing 200 gpm, the friction loss is ...
How Fittings, Valves and Strainers Affect Pressure Drop and Head Loss …
WebThe Snap-tite Hose Gladiator fire hose is an attack line and CAFS fire hose suitable for use in municipal firefighting departments. WebMar 7, 2006 · FL= friction loss per hundred foot. C= coefficient. Q= quanity of water in hundred of gpm. L= length of hose in hundred of feet. Coefficient of 1 3/4" hose is 15.5, for 2 1/2" its 2. An 1 3/4" hose 200 ft long flowing 180 gpm would work out … governor john dutton\u0027s assistant
Hydraulic Calculations Every Firefighter Needs to Know
WebFeb 2, 2011 · where is the mass flux; ρ, the density; S, the area ratio between upstream and downstream pipes; and C c, the contraction coefficient (the ratio of areas of the vena contracta and the outlet pipe.) Equations for the contraction coefficient in terms of S are given by, for example, Benedict (1980) and Chisholm (1986). In gas/liquid flow, the sudden … WebDec 9, 2024 · Follow the steps below to estimate the friction head loss: Enter the dimensions of the pipe i.e. diameter, D D D, and length, L L L.. Input the volumetric flow rate, Q Q Q.. You can pick the pipe material, which will provide its respective roughness coefficient, C C C or tap on the advanced mode to directly input the roughness … WebAug 4, 2016 · The overall objective of this research project was to develop friction loss characteristics for hose currently used by the fire service. A total of 86 tests were performed by three fire service organizations on 82 fire hose samples spanning 1–5 inches in diameter. Recorded hose dimensions, pressure, flow and friction loss data were used to ... governor john carney live