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1. Design and Capabilities of NIST‰s Scale-Model Smokestack Simulator (SMSS)
Published: 4/17/2015
Authors: Aaron N Johnson, Joey T Boyd, Eric Harman, Mohammad Mohammad Khalil, Jacob E Ricker, Christopher J Crowley, John D Wright, Rodney A Bryant, Iosif I Shinder
Abstract: The amount of CO2 emitted from a coal-fired power plant (CFPP) is measured by continuous emissions monitoring systems (CEMS) permanently installed in the exhaust smokestack. Both the CO2 concentration and the bulk flow are continuously measured by CE ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918343

2. Microwave Determination of the Volume of a Pressure Vessel
Published: 12/9/2014
Authors: Michael R Moldover, James W Schmidt, Keith A Gillis, James B. Mehl, John D Wright
Abstract: Using microwave techniques that are scalable to very large volumes, we measured the interior volume of a 0.3 m^u3^, commercially-manufactured, pressure vessel with an uncertainty of 0.05 %, as confirmed by independent, more-accurate, gas-expansion me ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917302

3. Hydrogen Field Test Standard: Laboratory Performance
Published: 4/14/2014
Authors: Jodie G Pope, John D Wright
Abstract: NIST developed a prototype field test standard (FTS) that incorporates three test methods that could be used by state weights and measures inspectors to periodically test retail hydrogen dispensers, much as gasoline dispensers are tested today. The ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917813

4. Performance of Coriolis Meters in Transient Gas Flows
Published: 3/17/2014
Authors: Jodie G Pope, John D Wright
Abstract: NIST evaluated the instantaneous and totalized flow measured by two commercial coriolis meters under transient flow, pressure, and temperature conditions using a Transient Flow Facility (TFF) developed for this purpose. During a simulated cascade fi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914068

5. Liquid Flow Meter Calibrations with the 0.1 L/s and 2.5 L/s Piston Provers
Series: Special Publication (NIST SP)
Report Number: 250-1039r1
Published: 1/15/2014
Authors: Jodie G Pope, John D Wright, Aaron N Johnson, Christopher J. Crowley
Abstract: This document provides a description of the 2.5 L/s and 0.1 L/s liquid flow calibration standards operated by the National Institute of Standards and Technology (NIST) Fluid Metrology Group to provide flow meter calibrations for customers. The 0 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914768

6. 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

7. Tests of the Extended Lee Model Using Three Different Turbine Meters
Published: 6/20/2012
Authors: Jodie G Pope, John D Wright, Sherry D Sheckels
Abstract: We report additional tests of our ,extended Lee modelŠ for calibrating turbine meters. The model accounts for 1) Reynolds number (Re) dependent drag and lift, 2) bearing static drag and 3) bearing viscous drag. Initially, we tested this model using ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911318

8. Calibration of Laminar Flow Meters for Process Gases
Published: 6/1/2012
Authors: John D Wright, Thiago Cobu, Robert F Berg, Michael R Moldover
Abstract: We calibrated three models of commercially-manufactured, laminar flow meters (LFMs) at four pressures (100 kPa, 200 kPa, 300 kPa, and 400 kPa) with five gases (N2, Ar, He, CO2, and SF6) over a 10:1 flow range using NIST‰s primary flow standards as re ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908560

9. Extended Lee model for the turbine meter & calibrations with surrogate fluids
Published: 5/1/2012
Authors: Jodie G Pope, John D Wright, Aaron N Johnson, Michael R Moldover
Abstract: We developed a physical model termed the ,extended Lee modelŠ for calibrating turbine meters to account for 1) fluid drag on the rotor, 2) bearing static drag and 3) bearing viscous drag. We tested the extended Lee model using a dual rotor, 2.5 cm d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909672

10. 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



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