Experimental Study on the Sticking Velocity of Rimmed Chondrules

Details Experimental Study on the Sticking Velocity of Rimmed Chondrules Experimental Study on the Sticking Velocity of Rimmed Chondrules

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1158..115a&link_type=abstract

EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY: Proceedings of the International Conference. AIP Conference Proceedings, V

Astronomy and Astrophysics

Astronomy

Powders, Porous Materials, Astrometric And Interferometric Instruments, Aggregation

Scientific paper

We conducted impact experiments of simulated rimmed chondrules at the impact velocity from 10 cm/s to 80 m/s to obtain the sticking velocity and the restitution coefficients. The porosity of the rim was changed from 70% to 90% with the thickness of 5 mm while the rim was composed of sub-micron silica particles, and a glass ball with the size of 10 mm was used as a chondrule analogue. As a result, we found that the upper limit of the sticking velocity, vc, varied with the porosity.

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