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Formation of molecules in bright meteors

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    0352555 - ASÚ 2011 RIV US eng J - Journal Article
    Berezhnoy, A.A. - Borovička, Jiří
    Formation of molecules in bright meteors.
    Icarus. Roč. 210, č. 1 (2010), s. 150-157. ISSN 0019-1035. E-ISSN 1090-2643
    R&D Projects: GA AV ČR IAA300030813
    Institutional research plan: CEZ:AV0Z10030501
    Keywords : meteors * atmospheres * Earth
    Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics
    Impact factor: 3.813, year: 2010

    We calculated equilibrium chemical composition of a mixture of meteoritic vapor and air during fireball events, i.e. during penetration of large meteoroids into terrestrial atmosphere. Different types of fireballs were considered, and calculations were performed for wide ranges of temperatures and pressures. Chemical composition at the quenching point was estimated by comparison of hydrodynamic and chemical reaction time scales. For the typical fireball temperatures of 4000-5000 K, most elements are expected to be in the form of atoms and ions.
    Permanent Link: http://hdl.handle.net/11104/0192041

     
     
Number of the records: 1  

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