Investigation of gas dynamics of detonation coating process is conducted. One dimensional model which allows calculation of particle exit parameters based on Chapman-Jouquet picture of detonation wave is developed. Kinetics of particle acceleration by a detonation wave show several novel features such as nonmonotonic dependence of velocity upon coordinate and inverse acceleration. Obtained results indicate that final particle velocity can be manipulated in a broad range by changing the gas mixture composition and the powder loading distance into the barrel.

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