Take a sneak peek at the new NIST.gov and let us know what you think!
(Please note: some content may not be complete on the beta site.).

View the beta site
NIST logo

Publications Portal

You searched on: Author: robert berg Sorted by: title

Displaying records 1 to 10 of 53 records.
Resort by: Date / Title


1. Accurate Measurements of Process Gas Flow with Laminar Flow Meters
Published: 10/15/2010
Authors: Thiago Cobu, Robert F Berg, John D Wright, Michael R Moldover
Abstract: We calibrated three models of commercially-manufactured, laminar flow meters (LFMs) with nitrogen at four pressures (100 kPa, 200 kPa, 300 kPa, and 400 kPa) over a 10:1 flow range using NIST‰s primary flow standards and a physical model. Without addi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906313

2. Apparatus to measure the vapor pressure of slowly decomposing compounds from 1 Pa to 10^5 Pa
Published: 11/17/2015
Author: Robert F Berg
Abstract: This article describes an apparatus and method for measuring vapor pressures in the range from 1 Pa to 10^5 Pa. Its three distinctive elements are: (1) the static pressure measurements were made with only a small temperature difference between the va ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=919017

3. 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

4. Capillary flow meter for calibrating spinning rotor gauges
Published: 8/6/2008
Author: Robert F Berg
Abstract: This article describes a capillary flow meter whose maximum flow rate of 0.2 micromol/s (~0.2 cm3/min at ambient conditions) covers the range that is useful for calibrating spinning rotor gauges. Knowing the input pressure, output pressure, and tempe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915341

5. Constant pressure primary flow standard for gas flows from 0.01 cm^u3^/min to 100 cm^u3^/min (10^u-8^ mol/s to 10^u-5^ mol/s)
Published: 12/17/2013
Authors: Robert F Berg, Gooding Timothy, Robert Edward Vest
Abstract: We describe a flow meter for gas flows in the range from 0.01 sccm to 100 sccm with a relative standard uncertainty of 0.03 % at 1 sccm. (1 sccm ≈ 1 cm3/min of an ideal gas at 101325 Pa and 0 C ≈ 0.7 mol/s.) The flow meter calibrates a se ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914154

6. Critical Viscosity of Xenon: Surprises and Scientific Results
Published: 10/1/1998
Authors: Robert F Berg, Michael R Moldover, G A Zimmerli
Abstract: The Critical Viscosity of Xenon (CVX) experiment, which flew on board Space Shuttle flight STS-85 in August 1997, measured the viscosity of xenon near the liquid-vapor critical point. Very close to the critical temperature (T^dc^ = 290 K), the visco ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=831511

7. Critical Viscosity of the Ionic Mixture Triethyl n-Hexyl Ammonium Triethyl n-Hexyl borate in Diphenyl Ether
Published: 9/15/1998
Authors: S. Wiegand, Robert F Berg, Johanna M.H. Levelt-Sengers
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902025

8. Critical exponent for the viscosity of carbon dioxide and xenon
Published: 8/1/1990
Authors: Robert F Berg, Michael R Moldover
Abstract: The viscosities eta of carbon dioxide and xenon have been measured near their critical points and the critical exponent y characterizing the asymptotic divergence, eta ~ |T- Tc|^-y, has been determined. Both fluids yielded exponents in the rangey = 0 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915285

9. Critical exponent for the viscosity of four binary liquids
Published: 9/15/1988
Authors: Robert F Berg, Michael R Moldover
Abstract: We have measured the viscosity of four binary mixtures near their consolute points: (1) methanol + cyclohexane, (2) isobutyric acid + water, (3) nitroethane + 3-methylpentane, and (4) 2-butoxyethanol + water. The viscosity data are consistent with th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915284

10. Critical exponent for viscosity
Published: 12/15/1990
Authors: Robert F Berg, Michael R Moldover
Abstract: We have measured the critical exponent y characterizing the divergence of the viscosity eta  |T ‹ Tc|^-y for carbon dioxide and xenon. The values of y for both fluids fall within the range y = 0.041 ± 0.001 and are consistent with the range y ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915286



Search NIST-wide:


(Search abstract and keywords)


Last Name:
First Name:







Special Publications:

Looking for a NIST Special Publication (NIST SP Series)? Place the series number and dash in the report number field (Example: 800-) and begin your search.

  • SP 250-XX: Calibration Services
  • SP 260-XX: Standard Reference Materials
  • SP 300-XX: Precision Measurement and Calibration
  • SP 400-XX: Semiconductor Measurement Technology
  • SP 480-XX: Law Enforcement Technology
  • SP 500-XX: Computer Systems Technology
  • SP 700-XX: Industrial Measurement Series
  • SP 800-XX: Computer Security Series
  • SP 823-XX: Integrated Services Digital Network Series