An Improved Numerical Treatment of Heat and Mass Transfers in Cometary Nuclei Models.

Details An Improved Numerical Treatment of Heat and Mass Transfers in Cometary Nuclei Models. An Improved Numerical Treatment of Heat and Mass Transfers in Cometary Nuclei Models.

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sf2a.conf..413m&link_type=abstract

SF2A-2007: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics held in Grenoble, France, July

Astronomy and Astrophysics

Astrophysics

Scientific paper

Cometary nuclei models using the finite difference method may present intrinsic problems of mass and energy flux conservation when these bodies are close to perihelion along their orbit. In some circumstances, the calculated production rates of volatile species released by the nucleus can even be affected by errors of the same order of magnitude, as a result of the employed numerical method. In order to avoid these shortcomings, we present a one-dimensional cometary nucleus model that uses the finite volume method.

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