Centrifuge impact cratering experiments

Details Centrifuge impact cratering experiments Centrifuge impact cratering experiments

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pggp.rept..167s&link_type=abstract

In NASA, Washington Repts. of Planetary Geol. and Geophys. Program, 1984 p 167-169 (SEE N85-23474 13-91)

Physics

Centrifuging Stress, Cratering, Explosions, Flow Distribution, Impact Melts, Planetary Geology, Coupling Coefficients, Impact Damage, Kinematics, Petrology

Scientific paper

The kinematics of crater growth, impact induced target flow fields and the generation of impact melt were determined. The feasibility of using scaling relationships for impact melt and crater dimensions to determine impactor size and velocity was studied. It is concluded that a coupling parameter determines both the quantity of melt and the crater dimensions for impact velocities greater than 10km/s. As a result impactor radius, a, or velocity, U cannot be determined individually, but only as a product in the form of a coupling parameter, delta U micron. The melt volume and crater volume scaling relations were applied to Brent crater. The transport of melt and the validity of the melt volume scaling relations are examined.

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