Numerical modelling of propane combustion in a high velocity oxygen-fuel thermal spray gun

S. Kamnis, S. Gu*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

High velocity oxygen-fuel (HVOF) thermal spraying is a relatively new technology compared to other protective coating methods. Powders sprayed by liquid fuel HVOF guns are able to achieve high impact velocities without overheating, which results in superior coatings. A computational fluid dynamic (CFD) model is developed to investigate propane combustion in the process of HVOF thermal spraying. The numerical methods are described for correct representation of various thermal-physical phenomena such as flame propagation, turbulent mixing and flow acceleration. The principal advantages and shortcomings of various models are discussed.

Original languageEnglish
Pages (from-to)246-253
Number of pages8
JournalChemical Engineering and Processing
Volume45
Issue number4
DOIs
Publication statusPublished - 1 Apr 2006

Keywords

  • CFD
  • Combustion
  • Gas dynamics
  • HVOF

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