Shrine, N.R.G. and Burchell, M.J. and Grey, I.D.S. (2002) Velocity scaling of impact craters in water ice over the range 1 to 7.3 km s(-1). Icarus, 155 (2). pp. 475-485.
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| Official URL http://dx.doi.org/10.1006/icar.2001.6734 |
Abstract
The impact cratering behavior of polycrystalline ice at a temperature of 259 3 K has been investigated by 16 impacts with 1-mm aluminum 2017 alloy spheres (density 2790 kg m(-3)) over the velocity range 1 to 7.3 km s(-1) using a two-stage light-gas gun. Crater cross-sectional profiles and diameter, depth, and volume data are presented. It is found that there is no significant difference in power-law energy exponents for scaling of crater diameter and volume between these data and previous low-velocity (<1 km s(-1)) ice impact data. Dimensionless pi group scaling was also found to scale the data in a way which can be readily combined with earlier lower velocity, data and data at a lower ice temperature. (C) 2002 Elsevier Science (USA).
| Item Type: | Article |
|---|---|
| Uncontrolled keywords: | cratering; ices; hypervelocity; impact |
| Subjects: | Q Science |
| Divisions: | Faculties > Science Technology and Medical Studies > School of Physical Sciences > Centre for Astrophysics and Planetary Sciences Faculties > Science Technology and Medical Studies > School of Physical Sciences |
| Depositing User: | Mark Burchell |
| Date Deposited: | 09 Sep 2008 16:31 |
| Last Modified: | 14 Jan 2010 14:19 |
| Resource URI: | http://kar.kent.ac.uk/id/eprint/5078 (The current URI for this page, for reference purposes) |
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