Computer Science
Scientific paper
Oct 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976dossr.230..803s&link_type=abstract
Akademiia Nauk SSSR, Doklady, vol. 230, Oct. 1, 1976, p. 803-806. In Russian.
Computer Science
4
Aerial Explosions, Finite Difference Theory, Gravitational Effects, Shock Wave Propagation, Tungusk Meteorite, Atmospheric Density, Atmospheric Pressure, Computer Techniques, Ideal Gas, Meteoritic Damage, Shock Fronts, Two Dimensional Flow
Scientific paper
A finite difference procedure is used to consider the propagation of shock waves from an explosion in the inhomogeneous atmosphere, using the Tungusk explosion (with an energy of 10 to the 23rd to 10 to the 24 erg at a height of 5-10 km) as an example. The shock wave produced in the Tungusk explosion is assumed to have reached the earth in a greatly attenuated state but still powerful enough to fell forests in the vicinity of tens of kilometers. The minimal excess pressure in the incident wave necessary to fell a tree after reflection is of the order of 0.05 kg/sq s. The powerful ballistic wave, formed by the descending object, equivalent to the intensity of a shock wave from a cylindrical explosion with a specific energy of 10 to the 17th to 10 to the 18th erg/s must also be considered.
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