Investigating the interactions between an atmosphere and an ejecta curtain 1 . Wind tunnel tests

@inproceedings{BarnouinJhal2007InvestigatingTI,
  title={Investigating the interactions between an atmosphere and an ejecta curtain 1 . Wind tunnel tests},
  author={O. S. Barnouin-Jhal and Peter H Schultz},
  year={2007}
}
When an asteroid impacts a planetary surface, ejecta are excavated along ballistic trajectories whose loci define an inverted cone shape. The outward advancing motion of this curtain displaces atmosphere to generate a ring vortex whose winds can entrain, transport, and deposit ejecta and fine-grained surface matehals. Curtain width and velocity, particle concentration, size distribution and motion parallel to the curtain, and the density, viscosity, and compressibility of the surrounding… CONTINUE READING

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