Special Aspects of DC Air Plasma Torch’s Operating Modes under Turbulent Flow Conditions

Authors

  • V. Frolov
  • I. Murashov
  • D. Ivanov

Keywords:

plasma torch, spraying technology, turbulence

Abstract

The article is dedicated to the analysis of plasma flow turbulization processes inside DC air plasma torches. The influence of plasma torch’s arc current and plasma gas flow rate on plasma flow turbulization inside the torch channel is described. Also, measurements of voltage fluctuation due to motion of point of arc attachment are presented in the article. The mathematical model for the analysis of arc processes inside and outside of plasma torches is developed.

References

Frolov V, Klubnikin V, Petrov G, Yushin B, Technique and technology of coatings, St. Petersburg Polytechnical Univ., 2008 (in Rus-sian).

Frolov V, Petrov G, Yushin B, Dubov M, Churkin I, Ivanov D, Research and development of plasma technologies of spraying of coatings, In: Proc. 18th Symposium on Physics of Switching Arc, Nové Město na Moravě, Czech Republic, Sept. 7.-11., 2009 (Ed. Aubrecht V, Bartlova M) 162–165.

Ushin B, Development of air-plasma technolo-gy of spraying of protective and decorative coat-ings (PhD Thesis), SPbSPU, St. Petersburg 2010.

Frolov V, Petrov G, Yushin B, Ivanov D, Zverev S, 2012 Air-plasma technologies of spray-ing of coatings, In: VII International Conference on Plasma Physics and Plasma Technology, Minsk, Belarus, Sept 17.-21., 2012, 608-611.

Description of CFD Module: http://www.comsol.com/cfd-module

Baeva M, Zalach J,Petrov G, Ushin B, Ivanov D, Frolov V, Uhrlandt D, Study of plasma torches used for air plasma spraying of protective and decorative coatings, In: 19th Symposium on Phys-ics of Switching Arc, Nové Město na Moravě, Czech Republic, Sept. 5.-9., 2011, 105-108.

Westermoen A, Modelling of Dynamic Arc Behavior in a Plasma Reactor (PhD Thesis), Uni-versity of Science and Technology, Norway 2007.

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Published

2015-04-06

Issue

Vol. 2 No. 2 (2015)

Section

Articles

License

Copyright (c) 2015 V. Frolov, I. Murashov, D. Ivanov

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