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Date of Publication:2022-10-04

Journal:大连理工大学学报

Issue:3

Page Number:398-401

ISSN No.:1000-8608

Abstract:Some complex phenomena are found in the cold gas-dynamic spray technique for material modification, such as shock wave, separating flow, etc. The extended-pressure correction algorithm is used to solve N-S equation group of the turbulence, and the staggered grid is adopted to reduce the numerical diffusion, and the high resolution ratio discretization is utilized to improve the shock-capture. The calculated results are in accord with those of the experiments. The numerical analysis is used to direct and optimize the cold spray experiment.

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