The Modeling of Bolide Terminal Explosions

Details The Modeling of Bolide Terminal Explosions The Modeling of Bolide Terminal Explosions

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004em%26p...95..513t&link_type=abstract

Earth, Moon, and Planets, Volume 95, Issue 1-4, pp. 513-520

Mathematics

Bolides, Fragmentation, Meteorites, Meteoroids, Terminal Flares, Thermal Explosion

Scientific paper

The phenomenon of terminal thermal explosions of bolides is considered and mathematically modeled, using the mechanisms of ablation and fragmentation due to mechanical and thermal stresses. The definition and criterion of thermal explosions are given. An analytical solution is obtained for the model of ablating and mechanically fragmenting meteoroid motion in the atmosphere. Numerical calculations including the terminal stage of the motion are fulfilled for the Tunguska parameters. They demonstrated a very rapid energy loss, corresponding to the terminal flare and full mass loss, explaining the absence meteorites.

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