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The Influence of Turbulence on Characteristics of a Hybrid-Stabilized Argon-Water Electric Arc

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    0394843 - ÚFP 2014 RIV JP eng J - Journal Article
    Jeništa, Jiří - Takana, H. - Nishiyama, H. - Bartlová, M. - Aubrecht, V. - Křenek, Petr
    The Influence of Turbulence on Characteristics of a Hybrid-Stabilized Argon-Water Electric Arc.
    Journal of Thermal Science and Technology. Roč. 8, č. 2 (2013), s. 435-447. ISSN 1880-5566. E-ISSN 1880-5566.
    [Ninth International Conference on Flow Dynamics (ICFD2012). Sendai, 19.09.2012-21.09.2012]
    R&D Projects: GA ČR GAP205/11/2070
    Grant - others:Program of the Institute of Fluid Science, Tohoku University, Sendai, Japan(JP) J13032; GA MŠk(CZ) LM2010005
    Institutional support: RVO:61389021
    Keywords : hybrid-stabilized electric arc * partial characteristics * mass flow rate * Large-eddy simulation * the Smagorinsky sub-grid scale model
    Subject RIV: BL - Plasma and Gas Discharge Physics
    Impact factor: 0.495, year: 2013
    http://www.ifs.tohoku.ac.jp/gcoe/ICFD/ICFD2012/index.html

    The paper presents numerical simulations of the discharge and near outlet regions of the hybrid-stabilized argon-water electric arc. Calculations have been carried out for the assumption of laminar and turbulent plasma flow regimes respectively. Results of calculations for currents 300-600 A show that the influence of turbulence is weak and the maximum difference for all the monitored physical quantities is less than 10 %. Comparison with available experiments exhibits good agreement.
    Permanent Link: http://hdl.handle.net/11104/0223015

     
     
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