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Title: Uncertainty Assessment In Flowmeter Calibration
Author: Frank C. Kinghorn
Source: 1986 International Symposium on Fluid Flow Measurement
Year Published: 1986
Abstract: Some of the principles and terminology to be used in applying statistical analysis to flowmeter calibrations and in presenting the results are described. There is particular discussion of the procedures for plotting calibration graphs, with examples showing how the wrong choice of coordinates can lead to misleading conclus ions. The practical problem of arriving at a best estimate of the discharge coefficients of orifice plates is dealt with, paying particular attention to current research programmes in the USA and Europe where calibrations of the same meters have been repeated in several laboratories. The difficult question of how to compute the uncertainty in the resulting data is addressed and one solution proposed which appears to overcome many difficulties.

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