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Title: Alternate Calibration Methodology F Or Point - Velocity Devices ( Pitot - Tube S, Anemometers, Hot - Wire Probes ) Using NIST Traceable Mass Flow Measurement Standards
Author: Eric Harman William Johansen
Source: 2015 International Symposium on Fluid Flow Measurement
Year Published: 2015
Abstract: An alternate methodology for calibrating Pitot tubes, Anemometers, Hot - Wire Probes, and other Point - Velocity Devices is described utilizing NIST Traceable Mass Flow Measurement Standards, velocity profile conditioning, velocity pr ofile mapping and normalization techniques. This methodology wa s used to determine three Pitot - static flow coefficients. The r esulting average of the three experimentally determined flow coefficients w a s within 0 . 4 % of a theoretical ly calculated flow coefficient . An uncertainty analysis of the experimenta lly determined flow coefficients produced an estimated uncertainty of 0 .62 % at one sigma

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