Study of the ablative effects on tektites

Details Study of the ablative effects on tektites Study of the ablative effects on tektites

Mar 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976avco.reptq....s&link_type=abstract

Final Report, Mar. 1975 - Mar. 1976 Avco Systems Div., Wilmington, MA.

Other

Ablation, Atmospheric Entry, Surface Reactions, Tektites, Aerothermodynamics, Equations Of Motion, Falling Spheres, Pitting, Surface Temperature

Scientific paper

Equations are presented which provide approximate parameters describing surface heating and tektite deceleration during atmosphere passage. Numerical estimates of these parameters using typical initial and ambient conditions support the conclusion that the commonly assumed trajectories would not have produced some of the observed surface markings. It is suggested that tektites did not enter the atmosphere singly but rather in a swarm dense enough to afford wake shielding according to a shock envelope model which is proposed. A further aerodynamic mechanism is described which is compatible with hemispherical pits occurring on tektite surfaces.

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