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Ryan A. Stephan
Thermal Engineer at NASA Johnson Space Ctr
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Author
Publications (4)
Proceedings Article | 18 April 2006 Paper
Development of an extra-vehicular (EVA) infrared (IR) camera inspection system
Michael Gazarik, John Pandolf, Dave Johnson, David Haakenson, Doug Hawk, Charles Antill, Ryan Stephan, Rusty Jenkins, Rusty Yates, Ed Kist, Frank Novak, Patricia Howell, Michael Amoroso
Proceedings Volume 6205, 62051C (2006) https://doi.org/10.1117/12.669683
KEYWORDS: Cameras, Infrared cameras, Imaging systems, Inspection, Infrared imaging, Thermography, Electronic components, Manufacturing, Thermal modeling, Infrared radiation
Proceedings Article | 28 March 2005 Paper
Infrared on-orbit RCC inspection system (IORIS)
David Hinds, Edward Kist, Michael Gazarik, Charles Antill, Nina Tappan, Michael Harris, Brian Backer, David Haakenson, David Johnson, John Pandolf, Kevin Vipavetz, Heather Wickman, John Teter, Ryan Stephan, William Winfree
Proceedings Volume 5782, (2005) https://doi.org/10.1117/12.603167
KEYWORDS: Cameras, Infrared cameras, Inspection, Infrared imaging, Imaging systems, Electronics, Staring arrays, Sensors, Thermography, Visible radiation
Proceedings Article | 28 March 2005 Paper
Implementing recommendations of the Columbia accident investigation board: development of on-orbit IR thermography
Ryan Stephan, Brian Ottens, Bradford Parker
Proceedings Volume 5782, (2005) https://doi.org/10.1117/12.602828
KEYWORDS: Inspection, Thermography, Cameras, Radiation thermography, Infrared cameras, Spatial resolution, Signal detection, Electronic filtering, Carbon, Coating
Proceedings Article | 28 March 2005 Paper
Development of detectability limits for on-orbit inspection of space shuttle wing leading edge
Ryan Stephan, David Johnson, A. J. Mastropietro
Proceedings Volume 5782, (2005) https://doi.org/10.1117/12.605735
KEYWORDS: Inspection, Infrared cameras, Infrared imaging, Finite element methods, Thermography, Cameras, Resistance, Thermal modeling, Infrared radiation, Heat flux
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