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Numerical simulation of a free-burning argon arc with copper evaporation from the anode

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Abstract

A free-burning, high-intensity argon arc at atmospheric pressure was modeled during the evaporation of copper vapor from the anode to study the impact of the vapor to the entire plasma region. A uniform and a Gaussian radial velocity distribution are adopted for the copper vapor at the anode boundary with a net mass flow rate known from the experiment. The effect of both velocity distributions on the temperature, mass flow, current flow, and Cu concentration was studied for the entire plasma region. The cathode region is not affected by the evaporated copper, and the Cu vapor concentration in the arc core is negligible.

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Authors and Affiliations

  1. Electrical and Computer Engineering, State University of New York at Buffalo, 217B Bonner Hall, 14260, Buffalo, New York

    G. Y. Zhao, M. Dassanayake & K. Etemadi

Authors
  1. G. Y. Zhao
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  2. M. Dassanayake
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  3. K. Etemadi
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Zhao, G.Y., Dassanayake, M. & Etemadi, K. Numerical simulation of a free-burning argon arc with copper evaporation from the anode. Plasma Chem Plasma Process 10, 87–98 (1990). https://doi.org/10.1007/BF01460449

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  • DOI: https://doi.org/10.1007/BF01460449

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