The problem of the nature of the Tungusk meteorite

Details The problem of the nature of the Tungusk meteorite The problem of the nature of the Tungusk meteorite

Nov 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976dossr.231...57g&link_type=abstract

Akademiia Nauk SSSR, Doklady, vol. 231, Nov. 1, 1976, p. 57-60. In Russian.

Computer Science

6

Aerodynamic Heating, Atmospheric Entry, Fragmentation, Hypersonic Flow, Shock Layers, Tungusk Meteorite, Descent Trajectories, Equations Of Motion, Pressure Distribution

Scientific paper

The paper proposes a theoretical scheme of processes accompanying the fall of large bodies in planetary atmospheres which would be able to provide a full explanation of the characteristics of the Tungusk phenomenon. It is submitted that if a body enters the earth atmosphere with a velocity of the order of several tens of km/s, its falling motion will be accompanied by a shock layer whose increasing pressure as the body descends will send a fragmentation wave through the body. Individual fragments upon deceleration will transfer their kinetic energy to the atmosphere thus increasing the energy of the shock layer which impacts the earth. Before reaching the surface most fragments will vaporize in the exceedingly hot shock layer, which in turn will lead to an increase in radiant flux and in the radiation bombardment of the earth.

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