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Dust Devils: Future of Laboratory Experiments

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Applications to other vortical storms. Dust Budget - Dust Cycle - Climate ... What types of experiments should we focus on? Where do we need more work? ... – PowerPoint PPT presentation

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Title: Dust Devils: Future of Laboratory Experiments


1
Dust Devils Future of Laboratory Experiments
  • Lynn D. V. Neakrase

2
Future of Lab Experiments
  • Why do we do this?
  • Earth and Mars
  • Interactions between ground and atmosphere
  • Applications to other vortical storms
  • Dust Budget - Dust Cycle - Climate
  • Safety for future missions

Southern Iraq
Utica, Illinois
Gusev Crater, Mars
3
Future of Lab Experiments
  • What are the main experiment goals?
  • Understanding Lab-Scale
  • Dynamics
  • Threshold, Sediment Flux, Roughness
  • Structure
  • Thermal, Mechanical, Electrostatics, Biological
  • Environmental Effects
  • Ambient Press/Temp, Surface Geomorph
  • Morphology
  • Comparison to Field Observations
  • Scaling Issues, Lifting Mechanisms
  • Development (Refinement) of Models
  • Adjustments to physics
  • Particle distributions for vortex conditions
  • (How much is lifted and in what distribution?)

4
Whats Next?
  • What are the next goals?
  • What types of experiments should we focus on?
  • Where do we need more work?
  • What field observations would help?
  • How can we help modeling studies?
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