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Author: howard yoon
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Displaying records 81 to 90 of 118 records.
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81. The Kelvin and Temperature Measurements
Series: Journal of Research (NIST JRES)
Published: 1/1/2001
Authors: Billy Wilson Mangum, G T. Furukawa, Kenneth Gruber Kreider, Christopher W Meyer, Dean C Ripple, Gregory F Strouse, Weston Leo Tew, Robert D. Saunders, Bettye C Johnson, Howard W Yoon, Michael R Moldover, Charles E Gibson
Abstract: The International Temperature Scale of 1990 (ITS90) is defined from 0.65 K upwards to the highest temperature measurable by spectral radiation thermometry, the radiation thermometry being based on the Planck radiation law. Part I of this paper descr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830671

82. Understanding Your Calibration Sources is the Key to Making Accurate Spectroradiometric Measurements
Published: 1/1/2001
Authors: Howard W Yoon, Charles E Gibson
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104813

83. Assessment of the Accuracy of the MOBY Spectral Radiance Calibration Sources Using the SXR and the VXR
Published: 10/1/2000
Authors: Bettye C Johnson, Howard W Yoon, M Feinholz, D K Clark
Abstract: The Marine Optical Buoy (MOBY) and its related optical system the Marine Optical Sensor (MOS) consist of dual CCD-based spectrographs. MOBY, MOS, and other instruments operated by the MOBY team are used to provide in situ measurements of water-leavi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841511

84. Radiometric Calibration History of MOBY/NIST Single Channel Dual Mode Radiometers
Published: 10/1/2000
Authors: Bettye C Johnson, Steven W Brown, Howard W Yoon
Abstract: In 1996, the National Institute of Standards and Technology (NIST), with the support of the National Atmospheric and Oceanic Administration (NOAA), designed and built two single channel, dual mode radiometers. The radiometers are used to assess the a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841507

85. A Comparison of the Absolute Detector-Based Spectral Radiance Assignment with the Current NIST-Assigned Spectral Radiance of Tungsten Strip Lamps
Published: 9/1/2000
Authors: Howard W Yoon, Charles E Gibson
Abstract: Using a high-temperature blackbody (HTBB) and filter radiometers calibrated for absolute spectral power response, the spectral output of the blackbody, whose radiance temperature was determined using the filter radiometers, was used to assign spectra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841385

86. Radiometric Calibration History of Visible and Near-Infrared Portable Radiometers
Published: 9/1/2000
Authors: Bettye C Johnson, Steven W Brown, Howard W Yoon
Abstract: The National Institute of Standards and Technology (NIST), with the support of the National Aeronautics and Space Administration (NASA), has built several transfer radiometers that are used in radiometric measurement comparisons to validate spectral- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841411

87. Calibrated Thermal Microscopy of the Tool-Chip Interface in Machining
Published: 8/1/2000
Authors: Howard W Yoon, Matthew A. Davies, Timothy J Burns, Michael Kennedy
Abstract: A critical parameter in predicting tool wear during machining and in accurate computer simulations of machining is the spatially-resolved temperature at the tool-chip interface. We describe the development and the calibration of a nearly diffraction- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841438

88. Calibrated Thermal Microscopy of the Tool-Chip Interface in Machining
Published: 4/1/2000
Authors: Michael Kennedy, Matthew A. Davies, Howard W Yoon, Timothy J Burns
Abstract: A critical parameter in predicting tool wear during machining and in accurate computer simulations of machining is the spatially-resolved temperature at the tool-chip interface. We describe the development and the calibration of a nearly diffraction- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821922

89. A Comparison of ITS-90, Above the Silver Point, as Realised by NIST and NPL
Published: 1/1/2000
Authors: Graham Machin, Charles E Gibson, Bettye C Johnson, Howard W Yoon
Abstract: A comparison of the radiance temperature scales between 1000 C and 2700 C has been performed between the National Physical Laboratory (NPL) and the National Institute of Standards and Technology (NIST). Two transfer radiation thermometers, of identi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841356

90. Comparison of the Absolute Detector-based Spectral Radiance Assignment with the Current NIST-Assigned Spectral Radiance of Tungsten-strip Lamps
Published: 1/1/2000
Authors: Howard W Yoon, Charles E Gibson
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104276



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