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Mechanism of formation of a heated ground layer by an intense air burst

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Combustion, Explosion and Shock Waves Aims and scope

Abstract

A mathematical modeling study demonstrated the fundamental possibility of the formation of a heated layer (a meter-long layer of erosion vapor and air with temperatures of a few thousand degrees and a density 20–50 times lower than the normal air density) at the ground surface under the action of the long-distance traveling fireball radiation from an intense explosion at a moderate radiant flux density of about 1 GW/m2 for a time of about 10 msec. The results of the numerical study agree with data from observations of the heated layer effect in nuclear-weapon tests.

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Authors and Affiliations

  1. Institute of Dynamics of Geospheres, Russian Academy of Sciences, Moscow, 119334

    A. P. Golub’

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  1. A. P. Golub’
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Translated from Fizika Goreniya i Vzryva, Vol. 42, No. 4, pp. 100–106, July–August, 2006.

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Golub’, A.P. Mechanism of formation of a heated ground layer by an intense air burst. Combust Explos Shock Waves 42, 456–462 (2006). https://doi.org/10.1007/s10573-006-0075-x

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  • DOI: https://doi.org/10.1007/s10573-006-0075-x

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