Dr. Chien W. Chang Profile

Dr. Chien W. Chang

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Publications (9)

Proceedings Article | 8 September 2010 Paper

Development of versatile molecular transport model for modeling spacecraft contamination

Chien Chang, Keith Kannenberg, Michael Chidester

Proceedings Volume 7794, 77940O (2010) https://doi.org/10.1117/12.860044

KEYWORDS: Contamination, Space operations, Instrument modeling, Systems modeling, Charge-coupled devices, Optical telescopes, Reflection, Thermal modeling, Satellites, Aerospace engineering

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Proceedings Article | 2 September 2008 Paper

Examining water vapor content for purging critical space systems

Chien Chang, Jeffrey Bush, Robert Peabody

Proceedings Volume 7069, 70690H (2008) https://doi.org/10.1117/12.793884

KEYWORDS: Humidity, Mathematical modeling, Systems modeling, Nitrogen, Space operations, Data modeling, Plutonium, Directed energy weapons, Mirrors, Optical telescopes

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Proceedings Article | 7 September 2006 Paper

Comparing surface particle coverage predictions with image analysis measurements

Chien Chang

Proceedings Volume 6291, 62910K (2006) https://doi.org/10.1117/12.677326

KEYWORDS: Particles, Systems modeling, Image analysis, Picture Archiving and Communication System, Data modeling, Space operations, Contamination, Autoregressive models, Optical spheres, MATLAB

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Proceedings Article | 15 October 2004 Paper

Examination of material outgassing in the air and purging flow environments

Chien Chang

Proceedings Volume 5526, (2004) https://doi.org/10.1117/12.556216

KEYWORDS: Diffusion, Space operations, Liquids, Optical spheres, Data modeling, Contamination, Solids, Systems modeling, Silicon, Molecules

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Proceedings Article | 11 September 2002 Paper

Molecular contamination effects on the thermal emittance of highly reflective surfaces at cryogenic temperatures

Chien Chang

Proceedings Volume 4774, (2002) https://doi.org/10.1117/12.481644

KEYWORDS: Contamination, Space operations, Reflectivity, Thermal effects, Gold, Mirrors, Aluminum, Surface finishing, Space telescopes, Cryogenics

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Proceedings Article | 20 September 2000 Paper

Modeling of Hall thruster plume sputtering and contamination

Chien Chang, Jerry Wittenauer, Daniel Lichtin, Michael Glogowski

Proceedings Volume 4096, (2000) https://doi.org/10.1117/12.400827

KEYWORDS: Space operations, Ions, Contamination, Sputter deposition, Monte Carlo methods, Systems modeling, Particles, Silver, Xenon, 3D modeling

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Proceedings Article | 25 October 1999 Paper

Application of general sticking coefficient models to spacecraft contamination analysis

Chien Chang

Proceedings Volume 3784, (1999) https://doi.org/10.1117/12.366714

KEYWORDS: Space operations, Molecules, Contamination, Adsorption, Contamination analysis, Reflection, Mirrors, Temperature metrology, Vacuum ultraviolet, Ultraviolet radiation

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Proceedings Article | 27 October 1998 Paper

EOS AM-1 flight-phase contamination analysis

Chien Chang, Glenn Rosecrans

Proceedings Volume 3427, (1998) https://doi.org/10.1117/12.328503

KEYWORDS: Contamination, Space operations, Sensors, MODIS, Sun, Antennas, Contamination analysis, Short wave infrared radiation, Instrument modeling, Oxygen

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Proceedings Article | 27 October 1998 Paper

Comparison of MTK and MOLFLUX models for molecular transport among multiple surface nodes

Michael Fong, Aleck Lee, Chien Chang

Proceedings Volume 3427, (1998) https://doi.org/10.1117/12.328497

KEYWORDS: Reflection, Thermal modeling, Numerical analysis, Satellites, Silicon, Ray tracing, Space operations, Strontium, Fluctuations and noise, Statistical modeling

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Showing 5 of 9 publications

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