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Title: Airspeed Calibration Services: Laser Doppler Anemometer Calibration And Its Uncertainty
Author: Iosif I. Shinder, Michael R. Moldover, Mike Hall
Source: 2012 International Symposium on Fluid Flow Measurement
Year Published: 2012
Abstract: The National Institute of Standards and Technology (NIST) and the Oak Ridge National Laboratory (ORNL) are improving their airspeed calibration services. Both laboratories use spinning disks to generate linear velocities that are traceable to NISTs length and time standards. We compared their spinning disks using NISTs laser Doppler anemometer (LDA) as a transfer standard. At 10 m/s, the disks differed by (0.11 0.26) %, where the uncertainty is one standard deviation. We discuss the techniques used to calibrate LDAs with spinning disks and their uncertainties

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