Ablation of a meteoroid by means of dispersion of the fusion film

Details Ablation of a meteoroid by means of dispersion of the fusion film Ablation of a meteoroid by means of dispersion of the fusion film

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992avest..26...85g&link_type=abstract

Astronomicheskii Vestnik: Issledovaniia Solnechnoi Sistemy (ISSN 0320-930X), vol. 26, no. 5, p. 85-93.

Astronomy and Astrophysics

Astronomy

1

Ablation, Air Flow, Flow Stability, Hypersonic Flow, Meteoroids, Cometary Atmospheres, Liquid Phases

Scientific paper

In order to describe meteoroid ablation, the study proposes a hydrodynamic mechanism of the phenomenon, which consists of the dispersion of liquid particles from the surface of the fusion film as a consequence of its hydrodynamic instability. With certain simplifications an analysis is made of the stability to small perturbations of the fusion film which interacts with the hypersonic airflow and with the solid meteoroid body. It is shown that on the lateral meteoroid surface the instability has a periodic character and may therefore be the cause of the periodic (quasi-continuous) dispersion of the liquid particles.

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