Inverse problem for the continuous-flow model of the radiative convective heat of a fireball-forming body. I - Solution method. II - Destruction processes and the structure of the Prairie Network fireball bodies

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Convective Heat Transfer, Fireballs, High Temperature Gases, Planetary Atmospheres, Radiative Heat Transfer, Gas Dynamics, Inversions, Molecular Flow

Scientific paper

A continuous-flow solution of the high-temperature gasdynamics equations for the problem of high-velocity motion of bodies in planetary atmospheres may be used in investigations of adjacent molecular flows, including the solution of the inverse problem of the physical theory of fireballs. The absolute calibration of the inverse-problem solution for the equations of fireball body motion, destruction, and radiation in the atmosphere may be performed without using fallen meteorite data. Thus the fallen and preatmospheric masses, the form-density parameter, and the specific destruction energy of a fireball-forming body may be estimated consistently. Analysis of the destruction processes and the structure of the Prairie Network fireball bodies, using the inverse-problem solution results for the continuous-flow model of radiative convective heat of a fireball-forming body, shows that the spread of their form and density is very insignificant. In the sample of 144 fireballs investigated, the bodies did not differ substantially from meteorites.

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