Power Losses and Flow Topologies in Converging Manifold

by Jaime Amorocho, (F.ASCE), Prof. of Water Sci. and Civ. Engrg.; Univ. of California, Davis, CA,
Johannes J. DeVries, (A.M.ASCE), Assoc. Engr.; Design and Constr., California Dept. of Water Resour., Sacramento, CA,


Serial Information: Journal of the Hydraulics Division, 1971, Vol. 97, Issue 1, Pg. 81-99


Document Type: Journal Paper

Abstract:

Power losses and loss coefficients were determined from a hydraulic model study for a pumping plant discharge manifold which receives flow from seven equal-discharge pump units. A topologic index is used to characterize the combinations of pumps in operation and to represent trends in energy and power losses. For a given total plant discharge, certain combinations of pump units in operation give lower power losses than other combinations. The topologic indices associated with these pump combinations are used to define optimal or near optimal pumping plant operations. The topologic index also makes possible the simplification of testing programs for multiple branch manifolds because a few trials can be used to define the trend of the power transfer coefficient.



Subject Headings: Power plants | Pumping stations | Pumps | Model analysis | Hydraulic models | Water discharge | Energy loss

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