The effect of cometary dust size and shape on mantle thermophysical properties: a DEM study

Details The effect of cometary dust size and shape on mantle thermophysical properties: a DEM study The effect of cometary dust size and shape on mantle thermophysical properties: a DEM study

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1010b&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1010

Physics

Scientific paper

Active comets are among the largest objects in the Solar System, and models of them necessarily cover a wide range of spatial and temporal scales. As such, continuum methods are often used to study their thermophysical evolution. However, it is becoming increasingly clear that the properties of comet and asteroid surfaces at the smallest scale can dominate global behaviour and must be included [1]. This is best done with a discrete approach which can model the interactions of individual dust and ice particles. Such an approach is used here to determine the properties of bulk material with a variety of sizes and shapes which can be used as input for further continuum models.

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