Hypervelocity impact experiments on solid CO2 targets

Burchell, M.J. and Brooke-Thomas, W. and Leliwa-Kopystynski, J. and Zarnecki, J.C. (1998) Hypervelocity impact experiments on solid CO2 targets. Icarus, 131 (1). pp. 210-22. ISSN 0019-1035. (The full text of this publication is not available from this repository)

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Official URL
http://dx.doi.org/10.1006/icar.1997.5857

Abstract

The results of impact experiments on solid CO2 are presented, The resulting crater morphology has been measured (crater depth, diameter and volume). The data are for normal incidence impacts, at typically 5 km s(-1), of solid steel spheres of diameters 0.4 to 2.0 mm onto solid CO2. The size range of the projectiles permits a determination of the dependence of the crater parameters with impact energy. The craters are shallow, with material removed mainly by spallation (crater depth/diameter approximate to 0.2), Compared to similar impacts in water ice, the craters in CO2 are smaller (by a factor of 2.2 in diameter and 8.9 in volume). The size distribution of the ejecta is measured and is found to vary strongly with the angle of ejection.

Item Type: Article
Uncontrolled keywords: cratering; ices; impact processes
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: I. Ghose
Date Deposited: 05 Apr 2009 09:24
Last Modified: 11 May 2009 11:39
Resource URI: http://kar.kent.ac.uk/id/eprint/17611 (The current URI for this page, for reference purposes)
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