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Martian Atmospheric Chemistry Simulator (MACS)

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Description:

  • Studies under Martian atmospheric conditions of electrical (Paschen) breakdown around exploration system components.
  • Studies under Martian atmospheric conditions of Martian dust stimulant interactions with exploration system components.






Figure shows experimental set-up for the out-gassing of radiator samples under Martian conditions in the MACS		 Martian Atmospheric Chemistry Simulator (MACS)

Features:

  • 0.5 m diameter, 0.5 m high cyclinder
  • 10-2 - 10+2 Torr base operating pressure
  • Potentials up to 20 kV.
  • Current sensitivity of 10-8 AMP
  • Temperatures from -100 ºC to + 600 ºC

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Research Projects:

  • Effect of geometry on Paschen breakdown in the Martian environment

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Potential Uses:

  • Effect of dust coverage on Paschen breakdown in the Martian environment
  • Studying durability of carbon-carbon composite radiators used at elevated temperatures on Martian surface
  • Gas composition reconfiguration for other environmental testing
  • Microbalance added to chamber for thermogravimetric studies in differing atmspheres
  • Mass spectrometer addition for studying component outgassing

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Curator:  Sandra.A.Zolo@nasa.gov and NASA Official Responsible For Content: Sharon.K.Milller@grc.nasa.gov
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Last Updated: 08/30/2008