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Author: howard yoon
Displaying records 111 to 113.
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111. The Realization and the Dissemination of Thermodynamic Temperature Scales
Howard W Yoon
Since the establishment of the International Temperature Scale of 1190 (ITS-90), much progress has been made in the development of radiometers and blackbody sources. Cryogenic electrical-substitution radiometry is widely used in detector and radiome ...
112. Thermodynamic Radiation Thermometry for the Next SI
Howard W Yoon, Charles E Gibson, V B Khromchenko, George P Eppeldauer, Robert R. Bousquet, Steven W Brown, Keith R Lykke
We describe the construction, the calibration and the use of the NIST Thermodynamic Radiation Thermometer (TRT) to measure the temperature of the gold-freezing temperature blackbody and a variable-temperature blackbody from 800 ?C to 2700 ?C. These ...
113. Thermodynamic-Temperature Determinations of the Ag and Au Freezing Temperatures Using a Detector-Based Radiation Thermometer
Howard W Yoon, David W Allen, Charles E Gibson, Maritoni Abatayo Litorja, Robert D. Saunders, Steven W Brown, George P Eppeldauer, Keith R Lykke
We describe the development of a radiation thermometer calibrated for spectral radiance responsivity using cryogenic, electrical-substitution radiometry to determine the thermodynamic temperatures of the Ag- and Au-freezing temperatures. The absolut ...