Meter for Sewer Flow Measurementby Harry G. Wenzel, Jr., (M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of Illinois, Urbana, Ill.,
Serial Information: Journal of the Hydraulics Division, 1975, Vol. 101, Issue 1, Pg. 115-133
Document Type: Journal Paper
Abstract: An experimental and analytical study was performed to develop the geometry for a Venturi type flow meter for use in sewer flow measurement. The meter consists of a constriction in the pipe which produces critical flow under open channel flow conditions and acts as a conventional Venturi meter under full flow conditions. The constriction is constructed using cylindrical segments the diameter of which are larger than that of the pipe, leaving the invert and crown clear. Head loss characteristics and experimental rating curves for both open channel and full flow conditions are described. Information is also presented to permit the selection of geometrical parameters for optimum performance for a specific installation.
Subject Headings: Open channel flow | Flow measurement | Pipe flow | Critical flow | Geometrics | Sewers | Pipelines | Head loss (fluid mechanics)
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