Physics
Scientific paper
May 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994sosyr..27..574k&link_type=abstract
Solar System Research, Vol. 27, No. 6, p. 574 - 580
Physics
Meteoroids: Physics, Meteoroids: Earth Atmosphere
Scientific paper
Based on results obtained earlier, the author calculates and analyzes the dependence of velocity and deceleration on height of the bolide Sterlitamak, and the variation of the aerodynamic pressure along its path. He shows that in the vicinity of the height of maximum deceleration over a path length of 1.4 km, the loss of energy in the deceleration exceeds the energy of meteroid vaporization. This is a strong argument in favor of the occurrence of the outburst at this height. It is shown that the meteroid Sterlitamak could have been rapidly rotating. The author points out that classical methods for determining the height of apparition of the bolide are inappropriate. The obtained relationship between surface temperature and height indicates that the onset of intensive disintegration of a large meteorite-forming body is governed by radiative heating from shock waves. This justifies the possibility of surface melting of the meteroid Sterlitamak along its entire path.
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