Chondrule radiative cooling in a non-uniform density environment

1J.Delpeyrat,2F.Pigeonneau,1G.Libourel
Icarus (in Press) Link to Article [https://doi.org/10.1016/j.icarus.2019.03.036]
1Université Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Laboratoire Lagrange, Boulevard de l’Observatoire, CS 34229, 06304 Nice Cedex 4, France
2MINES ParisTech, PSL Research University, CEMEF – Centre de mise en forme des matériaux, CNRS UMR 7635, CS 10207, Rue Claude Daunesse, 06904 Sophia Antipolis Cedex, France
Copyright Elsevier

In an effort to better use thermal histories of chondrules in chondrites to test chondrule formation models, the present note addresses the formation of chondrules through the radiative cooling of a droplet cloud of non-uniform density. More generally, we show that the cooling rates obtained can be related not only to the different types of texture of the chondrules but also to their relative abundance in order to evaluate the relevance of models concerning the formation of chondrules.

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