Zobrazeno 1 - 10 of 17 pro vyhledávání: '"Gregory E. Scace"'
2
Towards Photonic based Pascal Realization as a Primary Pressure Standard
Autor: Kevin O. Douglass, Gregory E. Scace, Jacob E. Ricker, Patrick F. Egan, Jack A. Stone, Jay H. Hendricks
Publikováno v: Journal of physics. Conference series
New techniques using refractometry have enabled gas pressure to be measured using laser interferometry. Two key techniques have been studied at NIST which include the Fixed Length Optical Cavity (FLOC) and the Variable Length Optical Cavity (VLOC). T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::494d0ed4a4c9eade4a74baf562dd16b3
http://europepmc.org/articles/PMC6774370
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3
Metrology for Comparison of Displacements at the Picometer Level
Autor: Douglas A. Olson, Gregory E. Scace, Jay Hendircks, Gregory F. Strouse, Jack A. Stone, Jacob E. Ricker, Donavon Gerty, Patrick F. Egan
Publikováno v: Key Engineering Materials. 625:79-84
An apparatus capable of comparing displacements with picometer accuracy is currently being designed at NIST. In principle, we wish to compare one displacement in vacuum to a second, equal displacement in gas, in order to determine gas refractive inde
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06ba06b30dde6c5dd38ccba50acc0f80
https://doi.org/10.4028/www.scientific.net/kem.625.79
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4
High‐accuracy measurements of the vapor pressure of ice referenced to the triple point
Autor: Allan H. Harvey, Joseph T. Hodges, Daniel K. Havey, Gregory E. Scace, Daniel Lisak, K. Bielska
Publikováno v: Geophysical Research Letters. 40:6303-6307
[1] The vapor pressure of hexagonal (Ih) water ice was measured over the temperature range 175 K to 253.4 K and referenced to the value at the triple point of water. This experiment combined a highly accurate humidity generation system containing an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96ee058b54ede025452f4af153a747d0
https://doi.org/10.1002/2013gl058474
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6
Trace-Humidity Calibration and Testing Services at the National Institute of Standards and Technology
Autor: Gregory E. Scace, W Wyatt Miller
Publikováno v: NCSLI Measure. 6:68-76
The National Institute of Standards and Technology (NIST) provides low-humidity calibration and testing services for hygrometers and humidity generators over a humidity range between 3 nanomole per...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::481eec86b886f44fddf20e789923b4e5
https://doi.org/10.1080/19315775.2011.11721578
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7
Uncertainty Budget for the NIST Hybrid Humidity Generator
Autor: Gregory E. Scace, Dean C. Ripple, W Wyatt Miller, Christopher W. Meyer
Publikováno v: International Journal of Thermophysics. 33:1488-1499
A detailed uncertainty budget for the new hybrid humidity generator (HHG) that has been constructed at the National Institute of Standards and Technology is presented. The HHG generates frost/dew points from −70 °C to +85 °C using calibration gas
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af883febb8464c393204d744528efb1a
https://doi.org/10.1007/s10765-010-0880-z
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8
A Humidity Generator for Temperatures up to 200 °C and Pressures up to 1.6 MPa
Autor: W Wyatt Miller, Dean C. Ripple, David Vega-Maza, Gregory E. Scace
Publikováno v: International Journal of Thermophysics. 33:1477-1487
A new humidity generator that produces gas streams of known moisture content at temperatures from 85 °C to 200 °C, absolute pressures from 0.2 MPa to 1.6 MPa, and relative humidities from 10 % to 90 % has been developed. The generator produces a mo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f845c0d7aad235e6f11d7960cce0813c
https://doi.org/10.1007/s10765-010-0838-1
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9
The second-generation NIST standard hygrometer
Autor: R W. Hyland, Joseph T. Hodges, Christopher W. Meyer, J Valencia-Rodriguez, Gregory E. Scace, James R. Whetstone
Publikováno v: Metrologia. 47:192-207
A second-generation standard hygrometer has been completed at the National Institute of Standards and Technology (NIST). This hygrometer measures humidity using a gravimetric method: it separates the water from the carrier gas and afterwards measures
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40a7be257ae0ed5d356ab9a38cb5e851
https://doi.org/10.1088/0026-1394/47/3/010
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10
Design and Performance of the New NIST Hybrid Humidity Generator
Autor: W Wyatt Miller, Dean C. Ripple, Gregory E. Scace, Christopher W. Meyer
Publikováno v: NCSLI Measure. 4:28-36
A new humidity generator has been constructed at the National Institute of Standards and Technology and is now fully operational. The NIST Hybrid Humidity Generator (HHG) has replaced the Two-Pressure (2-P) Humidity Generator Mark II as the NIST prim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a9ba5c61a44d3afaf0d083a030d46ef
https://doi.org/10.1080/19315775.2009.11721470
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