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

DOI:
10.3791/57072-v

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07:54 min

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April 03, 2018

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, , , , ,
1Laboratory for Atmospheric and Space Physics,University of Colorado, 2NASA/SSERVI’s Institute for Modeling Plasma, Atmospheres and Cosmic Dust

Chapters

  • 00:05Title
  • 00:58Vacuum Chamber Setup
  • 02:07Exposure to Thermal Plasma with Beam Electrons
  • 03:45Exposure to Only Beam Electrons
  • 05:06Exposure to Only Ultraviolet Radiation
  • 05:39Results: The Behavior of Dust Particles Exposed to Plasma and Beam Electrons, Beam Electrons, and UV Radiation
  • 06:53Conclusion

Summary

Automatic Translation

Automatic Translation

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.

Tags

Keywords: Dust ChargingDust MobilizationUltraviolet RadiationPlasmasRegolithAirless BodiesVacuum ChamberArgonElectron BeamDust MovementFilamentBase PressureEmission Current

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