Head-Loss Measurements on Hydroelectric Conduits

by T. Maxwell Brett, Hydr. Engrg.; Hydro-Electric Commission of Tasmania, Hobart, Tasmania, Australia,

Serial Information: Journal of the Hydraulics Division, 1980, Vol. 106, Issue 1, Pg. 173-190

Document Type: Journal Paper


Prototype head-loss measurements on tunnels and other water conduits are reported. The measurements were done on water-power conduits of the Hydro-Electric Commission of Tasmania, Australia. Friction factors are given for an unlined tunnel, a mechanically bored partly lined tunnel, and a fully lined tunnel. Steel and woodstave friction factors are included together with factors for a concrete-lined trapezoidal canal. The effect of slime growth on head losses is discussed.

Subject Headings: Tunnels | Head loss (fluid mechanics) | Hydro power | Conduits | Friction | Water tunnels | Steel | Wood

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