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Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas
 

Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas

Article DOI: 10.3791/57072-v • 07:54 min • April 3rd, 2018
April 3rd, 2018 •
1,2, 1,2, 1,2, 1,2, 1,2, 1,2
1Laboratory for Atmospheric and Space Physics, University of Colorado, 2NASA/SSERVI's Institute for Modeling Plasma, Atmospheres and Cosmic Dust

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Dust charging and mobilization is demonstrated in three experiments with exposure to thermal plasma with beam electrons, beam electrons only, or ultraviolet (UV) radiation only. These experiments present the advanced understanding of electrostatic dust transport and its role in shaping the surfaces of airless planetary bodies.

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Keywords: Dust Charging Dust Mobilization Ultraviolet Radiation Plasmas Regolith Airless Bodies Vacuum Chamber Argon Electron Beam Dust Movement Filament Base Pressure Emission Current
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