Motion of low-density gaseous bodies in the atmosphere

Details Motion of low-density gaseous bodies in the atmosphere Motion of low-density gaseous bodies in the atmosphere

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978izssr.......89k&link_type=abstract

Akademiia Nauk SSSR, Izvestiia, Mekhanika Zhidkosti i Gaza, Mar.-Apr. 1978, p. 89-93. In Russian.

Astronomy and Astrophysics

Astrophysics

Atmospheric Entry, Cloud Physics, Hypersonic Shock, Rarefied Gases, Tungusk Meteorite, Aerodynamics, Astrophysics, Bernoulli Theorem, Finite Difference Theory, Hypersonic Wakes, Ideal Gas, Pressure Gradients, Shock Waves, Streamlining, Two Dimensional Flow

Scientific paper

The paper deals with the problem of the motion of a gas cloud in an exponential atmosphere at a high initial velocity. The gas in the cloud and the atmosphere is treated as an ideal gas. A numerical solution to the problem is obtained, using Godunov's finite-difference scheme with a mobile grid. The aim of the analysis is to determine aerodynamic effects associated with the entry of low-density bodies into the atmosphere, which may be of interest to the hypothesis that the Tunguska catastrophe of 1908 was caused by atmospheric braking of a large low-density body.

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