Paper Title:
Numerical Simulation of Gas-Particle Two Phase Flow in the Process of Cold Spraying Aluminum Zinc-Base Alloy Powder
  Abstract

The gas velocity and particle velocity in and out of the nozzle have great influence on the coating effect in the process of cold spray. An axis-symmetric two-dimensional mathematical model was presented to study the flow field in and out of cold spray nozzle, and the effect of different pressure, temperature, spraying distance and particle diameter on gas axial velocity and particle velocity were researched. The simulation results showed that the gas axial velocity and particle velocity increased when the gas pressure and temperature were increased, spray distance had little effect on the flow field in the nozzle, and small diameter particle was more easily accelerated.

  Info
Periodical
Edited by
Yi-Min Deng, Aibing Yu, Weihua Li and Di Zheng
Pages
735-738
DOI
10.4028/www.scientific.net/AMM.37-38.735
Citation
C. S. Liu, J. W. Cheng, J. X. Zheng, "Numerical Simulation of Gas-Particle Two Phase Flow in the Process of Cold Spraying Aluminum Zinc-Base Alloy Powder", Applied Mechanics and Materials, Vols. 37-38, pp. 735-738, 2010
Online since
November 2010
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