Primary velocity dependence of impact ejecta parameters

Details Primary velocity dependence of impact ejecta parameters Primary velocity dependence of impact ejecta parameters

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978p%26ss...26..469e&link_type=abstract

Planetary and Space Science, vol. 26, May 1978, p. 469-471.

Physics

14

Ejection, Hypervelocity Impact, Impact Damage, Particle Collisions, Particle Motion, Velocity Distribution, Angular Distribution, Light Emission, Mass Distribution, Secondary Emission, Velocity Measurement

Scientific paper

From the light emitted during impacts of secondary particles produced during hypervelocity primary impacts, the velocities and relative masses of these ejecta were determined as a function of the angle between the ejection direction and the target surface. The velocity of the ejecta increases with increasing impact velocity and decreasing ejection angle. The ratio of the maximum ejecta velocity to the primary impact velocity decreases with increasing impact speed. The main fraction of the secondary particles is ejected in rather small angular intervals of about 10 deg width in elevation. The ejection angle of the main fraction of the ejecta mass increases with increasing impact velocity.

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