The model of aspherical dust dynamics for interpretation of the GIADA in-situ measurements in the coma of 67P/C-G

Details The model of aspherical dust dynamics for interpretation of the GIADA in-situ measurements in the coma of 67P/C-G The model of aspherical dust dynamics for interpretation of the GIADA in-situ measurements in the coma of 67P/C-G

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1371i&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1371

Physics

Scientific paper

In order to prepare the interpretation of the GIADA in-situ data of Comet 67P/ Churyumov-Gerasimenko a model of dust dynamics is indispensable. The currently used 3D+t model assumes sphericity of the grains. We report the first steps in developing of the model of aspherical dust grain dynamics in the cometary atmosphere. On this stage we study the grain motion in aerodynamic force free region. The grains are convex polygonal bodies. In addition, a new approach for resolving the inverse problem is discussed, namely, based on GIADA observations, we could determine the probable location of the particles emission on the nucleus.

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