Numerical Investigation of Pulsations in a Plasma Arc Column

Authors

  • D. Schaffer
  • R. Toukhvatoulline
  • G. Feldmann

DOI:

https://doi.org/10.5540/tema.2004.05.01.0135

Abstract

We investigate spatial fluctuations in a cylindrical plasma arc column in the interval of electric current I = 100 - 200 A and gas flow G = 4 − 8 g/s. The distribution functions of these oscillations were obtained. On the basis of experimental results we proposed a model for the description of the fluctuations. In this model the axis of the arc O0 participates at the same time on two movements: random oscillation and axial rotation. The lateral and radial intensities and radial temperatures were calculated for different rotation radii and standard deviations. For this study the spectral line of Ar I 415,8 nm was chosen. Experimental and theoretical results are in good agreement.

References

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R. Toukhvatoulline, “Investigation of radial distribution of the temperature in DC plasma torch”, PhD Thesis Kazan Technical University”, Kazan (in Russian), 1975.

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Published

2004-06-01

How to Cite

Schaffer, D., Toukhvatoulline, R., & Feldmann, G. (2004). Numerical Investigation of Pulsations in a Plasma Arc Column. Trends in Computational and Applied Mathematics, 5(1), 135–144. https://doi.org/10.5540/tema.2004.05.01.0135

Issue

Vol. 5 No. 1 (2004)

Section

Original Article

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