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Thermophysics and Aeromechanics

2006 year, number 4

Effect of temperature of supersonic heterogeneous flow on the erosion-spraying transition

T.V. Ershova2, V.F. Kosarev1, and D.S. Mikhatulin2
1Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia
Institute of High Temperatures RAS, Moscow, Russia
Pages: 537-547


This publication is a continuation of works devoted to problems that arise in heterogeneous technologies. The matter of parameters that define the transition from surface erosion to particle spraying onto the surface is addressed. In particular, we experimentally examine the influence of temperature of the supersonic heterogeneous flow (carrier-gas temperature and particle temperature) interacting with the streamlined obstacle on the occurrence probability of either surface damage or particle spraying.