Float Calibration in Intergrated-Float Techniques

by Peter H. John, Sci.; Ecology Div., DSIR, Taupo, New Zealand,
Peter Sutcliffe, Sr. Lect.; Dept. of Civ. Engrg. and Building Tech., UWIST, Cardiff, Wales,
F. Allan Johnson, Lect.; Dept. of Civ. and Struct. Engrg., Univ. of Sheffield, Sheffield, England,

Serial Information: Journal of the Hydraulics Division, 1976, Vol. 102, Issue 8, Pg. 1071-1082

Document Type: Journal Paper


A method of producing floats of predetermined terminal velocities without the need for individual calibration has been developed for use with the integrating-float method of discharge measurement. A calibration curve relating effective density to terminal velocity is used to determine terminal velocities for individual floats, thus eliminating the need for depth or rise time measurements in the application to discharge measurement.

Subject Headings: Settling velocity | Water discharge measurement | Calibration | Curvature

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