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Displaying records 111 to 118.
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111. Thermal Imaging of Metals in a Kolsky-Bar Apparatus
Published: 10/1/2003
Authors: Howard W Yoon, D Basak, Richard L. Rhorer, Eric Paul Whitenton, Timothy J Burns, Richard Joel Fields, Lyle E Levine
Abstract: For materials testing at elevated temperatures, we describe the design and the development of a resistively heated Kolsky-bar apparatus. The temperature of the sample is determined by non-contact thermometry and the spatial temperature gradients in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841727

112. Thermal imaging of metals in a Kolsky-bar apparatus, Proc. of Thermosense XXV, ed. by K.E. Cramer and X.P. Maldague
Published: 1/1/2003
Authors: Howard W Yoon, D Basak, R Rhorer, E Whitenton, T J Burns, R Fields, L Levine
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104271

113. Thermodynamic Radiation Thermometry for the Next SI
Published: Date unknown
Authors: Howard W Yoon, Charles E Gibson, V B Khromchenko, George P Eppeldauer, Robert R. Bousquet, Steven W Brown, Keith R Lykke
Abstract: 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841125

114. Thermodynamic-Temperature Determinations of the Ag and Au Freezing Temperatures Using a Detector-Based Radiation Thermometer
Published: Date unknown
Authors: Howard W Yoon, David W Allen, Charles E Gibson, Maritoni Abatayo Litorja, Robert D. Saunders, Steven W Brown, George P Eppeldauer, Keith R Lykke
Abstract: 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840978

115. Towards realization of a large-area, LED-based solar simulator
Published: 11/27/2011
Authors: Behrang H Hamadani, Kangbin Chua, John F Roller, Howard W Yoon, Brian P Dougherty
Abstract: LED-based solar simulators have shown great promise as alternative light sources for indoor testing of PV cells as compared to their traditional counterparts. However, large-area uniform illumination more suitable for larger cells and module measurem ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908797

116. 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

117. Validation of the dissemination of spectral irradiance values using FEL lamps
Published: 9/27/2012
Authors: Bettye C Johnson, Gary D. Graham, Robert D. Saunders, Howard W Yoon, Eric L Shirley
Abstract: Scales of spectral irradiance are disseminated from NIST by assignment of values to FEL-type lamp standards for defined conditions. These lamp standards can be used for absolute calibration of irradiance radiometers, or more typically, be used in con ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911954

118. Volume 4, The 1997 Prelaunch Radiometric Calibration of Sea WiFS
Published: 4/1/1999
Authors: Bettye C Johnson, Howard W Yoon, Sally Skidmore Bruce, Ping-Shine Shaw, E A Thompson, S B. Hooker, R Eplee, R Barnes, S Maritorena, J Mueller
Abstract: The Sea-viewing Side Field-of-view Sensor (SeaWiFS) was originally calibrated by the instrument's manufacturer, Santa Barbara Research Center (SBRC), in November 1993. In preparation for an August 1997 launch, the Sea WiFS Project and the Nation ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841363



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