The features of cold spray nozzle design |
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| Authors: | A. P. Alkhimov V. F. Kosarev S. V. Klinkov |
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| Affiliation: | (1) Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia |
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| Abstract: | This article presents the peculiarities of the supersonic nozzle design for the cold gas-dynamic spraying. The procedure to produce the high particle velocity by correct choice of the geometrical dimensions of the accelerating nozzles is described. Numerical and experimental research of wedge-shaped nozzles shows that there is a nozzle with its particular dimensions for a given type of particles that produces the maximum possible particle velocity at the moment of impact on a target surface. |
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| Keywords: | boundary layer bow shock cold spray jet modeling nozzle |
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