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Heat Transfer Research
Impact-faktor: 0.404 5-jähriger Impact-Faktor: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Druckformat: 1064-2285
ISSN Online: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v34.i5-6.10
7 pages

Heat and Mass Transfer in Formation of Diverse-Function Coats by a Supersonic Heterogeneous Flow

P. V. Nikitin
Moscow State Aviation Institute (Technical University), Moscow, Russia
A. G. Smolin
Moscow State Aviation Institute (Technical University), Moscow, Russia

ABSTRAKT

The paper presents the laws governing the mechanism of the formation of surface coatings by the low-temperature gas-dynamical method. It is shown that the level of the kinetic energy of the particle plays a deterministic role in the process of coating formation by a supersonic two-phase flow. The required magnitude of the kinetic energy depends uniquely on the kind of a coating, its predictable properties, and the properties of the substrate. The analysis of the dynamics of collision between a hard particle and an obstacle is carried out for a velocity of particles of about 1000 m/sec. An equation of energy balance (in the zone of impact) is derived and solved.


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