Interaction of Small Bodies with the Atmosphere

Details Interaction of Small Bodies with the Atmosphere Interaction of Small Bodies with the Atmosphere

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..dppfp1107l&link_type=abstract

American Physical Society, 44th Annual Meeting of the Division of Plasma , abstract #FP1.107

Physics

Scientific paper

We consider some aspects of meteor physics. We focus on several processes relevant to the interaction of meteoroids with the atmosphere, that involve concepts typical of dusty plasmas. The objective of our research is to simulate the meteor flight directly using the kinetic PIC simulation code DEMOCRITUS [1] and a new high accuracy PIC code designed to simulate meteoroids in spherical geometry. The simulations will investigate the physics determined by thermionic emissions [2] and by the presence of potential wakes in the meteor trail. These two aspects will be considered particularly with respect to their relevance to observations, such as the solution of still outstanding problems in the interpretation of radar echoes from the head and trail of meteors. [1] G. Lapenta, Phys. Plasmas, 6, 1442 (1999). [2] G. Sorasio, D.A. Mendis, M. Rosenberg, Planetary Space Sci. , 49, 1257 (2001).

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