Other
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983baicz..34..360p&link_type=abstract
Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 34, Sept. 1983, p. 360-373.
Other
3
Ablation, Atmospheric Entry, Bolides, Hypersonic Heat Transfer, Meteorite Collisions, Aerothermodynamics, Chondrites, Continuum Flow, Hypersonic Shock, Mass Transfer, Particle Motion, Pressure Dependence
Scientific paper
A qualitative theory regarding the effect of thermal motions of gas particles on bolides is developed. For bolides penetrating deep into the atmosphere, the ambient medium has the properties of a continuous medium. The thermal motions of atmospheric particles behind the shock wave determine momentum and energy transfer to the particle. For bolides, these thermal motions practically replace the effect of the direct impacts of particles of the undisturbed atmosphere, adequate only under free-molecular conditions. Taking account of the role of the thermal motions of particles of ablated meteor material, it is possible to offer a qualitative explanation of some of the observed phenomena, e.g., the mass paradox. In addition, a hypothesis is presented concerning the correlation between I, II, IIIA, and IIIB bolides and H, L, CM, and CI chondrites.
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