Velocity distribution of fragments of catastrophic impacts

Details Velocity distribution of fragments of catastrophic impacts Velocity distribution of fragments of catastrophic impacts

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..597t&link_type=abstract

In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 597-600 (SEE N93-19113 06-90)

Physics

2

Fragmentation, Impact Tests, Size Distribution, Velocity Distribution, Basalt, Fragments, Pyrophyllite

Scientific paper

Three dimensional velocities of fragments produced by laboratory impact experiments were measured for basalts and pyrophyllites. The velocity distribution of fragments obtained shows that the velocity range of the major fragments is rather narrow, at most within a factor of 3 and that no clear dependence of velocity on the fragment mass is observed. The NonDimensional Impact Stress (NDIS) defined by Mizutani et al. (1990) is found to be an appropriate scaling parameter to describe the overall fragment velocity as well as the antipodal velocity.

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