Early-stage ejecta velocity distribution for vertical hypervelocity impacts into sand

Details Early-stage ejecta velocity distribution for vertical hypervelocity impacts into sand Early-stage ejecta velocity distribution for vertical hypervelocity impacts into sand

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010icar..209..866h&link_type=abstract

Icarus, Volume 209, Issue 2, p. 866-870.

Computer Science

5

Scientific paper

The ejecta dynamics during main-stage excavation flow in a cratering event have previously been well characterized, particularly for vertical impacts. In this experimental study, we present new results addressing the early-time, low-angle, high-speed component of the ejecta velocity distribution as a function of time for hypervelocity vertical impacts into sand. Although this regime represents a very small portion of total ejected mass in laboratory experiments, it comprises a greater percentage of growth for larger craters.

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