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Author: Gina Kline

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1. Improved Nozzle Manifold for Gas Flow Calibrations
Published: 6/20/2012
Authors: Aaron N Johnson, Chunhui Li, John D Wright, Gina M Kline, Christopher J. Crowley
Abstract: We developed a new nozzle manifold that reduced the uncertainty of flow calibrations from 0.09 % to as low as 0.074 % for flows of air up to 0.84 kg/s (43 000 L/min at reference conditions of 101.325 kPa and 293.15 K). The nozzle manifold also reduc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911475

2. A Comparison of 12 US Liquid Hydrocarbon Flow Standards and the Transition to Safer Calibration Liquids
Published: 4/1/2012
Authors: John D Wright, Aaron N Johnson, Gina M Kline, Christopher J. Crowley, Jodie G Pope, Vern E. Bean
Abstract: During 2010 and 2011, NIST piloted a 12-laboratory comparison of hydrocarbon liquid flow calibration standards spanning the range 3.8 L/min to 38 L/min. The laboratories were in mutual agreement within the expected 0.3 % uncertainty, which is approx ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910867

3. Gas Flowmeter Calibrations With the Working Gas Flow Standard
Series: Special Publication (NIST SP)
Report Number: 250-80
Published: 11/23/2009
Authors: John D Wright, Jean-Phillipe Kayl, Aaron N Johnson, Gina M Kline
Abstract: The Working Gas Flow Standard (WGFS) uses critical venturis, critical nozzles, or laminar flowmeters as working standards to calibrate customer flowmeters. The working standards are periodically calibrated with primary standards: the 34 L, 677 L, or ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=831009

4. Gas Flowmeter Calibrations with the 34 L and 677 L PVTt Standards
Series: Special Publication (NIST SP)
Published: 6/23/2004
Authors: John D Wright, Aaron N Johnson, Michael R Moldover, Gina M Kline
Abstract: This document provides a description of the 34 L and 677 L pressure, volume, temperature, and time (PVTt) primary gas flow standards operated by the National Institute of Standards and Technology (NIST) Fluid Flow Group. These facilities are used to ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830866



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