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You searched on: Author: howard yoon

Displaying records 41 to 50 of 121 records.
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41. Temperature Control of Pulse Heated Specimens in a Kolsky Bar Apparatus Using Microsecond Time-Resolved Pyrometry
Published: 3/1/2004
Authors: D Basak, Howard W Yoon, Richard L. Rhorer, Timothy J Burns, T Matsumoto
Abstract: Analysis of maching processes is important in the understanding and improving of manufacturing methods. The modeling of machining processes relies on high-strain-rate, high-temperature material properties. A split-Hopkinson (or Kolsky) bar has been ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853264

42. A comparison of ITS-90 and a detector-based scale between NPL and NIST using metal-carbon eutectics
Published: 1/1/2004
Authors: David W Allen, Charles E Gibson, D L Lowe, Graham Machin, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104298

43. Comparison of the NIST radiance temperature scale with the detector-based radiance temperature scale from 1200 K to 2800 K
Published: 1/1/2004
Authors: David W Allen, George P Eppeldauer, Charles E Gibson, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104294

44. Methods to reduce the size-of-source effect in radiation thermometers
Published: 1/1/2004
Authors: David W Allen, Robert D. Saunders, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104296

45. Portable LED-illuminated radiance source
Published: 1/1/2004
Authors: David W Allen, G Dezsi, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104297

46. Temperature determinations of the Ag and Au-freezing points using a detector-based radiation thermometer
Published: 1/1/2004
Authors: David W Allen, Steven W Brown, George P Eppeldauer, Charles E Gibson, Maritoni Abatayo Litorja, Keith R Lykke, Robert D. Saunders, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104295

47. The realization and the dissemination of the detector-based kelvin
Published: 1/1/2004
Authors: David W Allen, Steven W Brown, George P Eppeldauer, Charles E Gibson, Maritoni Abatayo Litorja, Keith R Lykke, Robert D. Saunders, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104293

48. Advances in Radiometry for Ocean Color
Published: 11/10/2003
Authors: Steven W Brown, D K Clark, Bettye C Johnson, Howard W Yoon, Keith R Lykke, S Flora, M Feinholz, N Souaidia, C Pietras, Thomas C Stone, M Yarbrough, Y S Kim, R Barnes, J Mueller
Abstract: Organic materials in the oceans have spectral signatures based on their light-scattering properties. These optical properties are related to bio-physical and bio-chemical data products, such as the concentration of phytoplankton chlorophyll-{alpha} ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840030

49. 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

50. Spectral Radiance Comparisons of Two Blackbodies with Temperatures Determined Using Absolute Detectors and ITS-90 Techniques
Published: 9/1/2003
Authors: Howard W Yoon, Charles E Gibson, J L Gardner
Abstract: For calibrations of spectral irradiance standards, a high-temperature blackbody (HTBB) is used as a source of spectral radiance or irradiance as derived from Planck's radiance law. The temperature of such a blackbody can be determined using radiance ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841679



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