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Title: CCM.FF-K3.2011 Intercomparison for airspeed
Author: Isabelle Care Harald Mller Peter Lucas Dietmar Pachinger Noboru Kurihara Cui Lishui Chun-Min Su Iosif Shinder Pier Giorgio Spazzini
Source: 2018 International Symposium on Fluid Flow Measurement
Year Published: 2018
Abstract: The CCM.FF-K3.2011 comparison was organized for the purpose of determination of the degree of equivalence of the national standards for air speed over the range 0.5 m/s to 40 m/s. An ultrasonic anemometer and a Laser Doppler anemometer were used as transfer standards. Nine laboratories from three RMOs participated between July 2013 and July 2015 - EURAMET: PTB, Germany LNE-CETIAT, France INRIM, Italy VSL, The Netherlands E+E, Austria SIM: NIST, USA APMP: NMIJ/AIST, Japan NIM, China CMS/ITRI, Chinese Taipei. The measurements were provided at ambient conditions. All results of independent participants were used in the determination of the key comparison reference value (KCRV) and the uncertainty of the KCRV. The reference value was determined at each air speed separately following procedure A presented by M. G. Cox. The degree of equivalence with the KCRV was calculated for each air speed and laboratory. Almost all reported results were consistent with the KCRV.




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