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Experimental observations of arc-anode attachment in steam-argon-air environment

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F12%3A00439715" target="_blank" >RIV/61389021:_____/12:00439715 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1088/1742-6596/406/1/012009" target="_blank" >http://dx.doi.org/10.1088/1742-6596/406/1/012009</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1088/1742-6596/406/1/012009" target="_blank" >10.1088/1742-6596/406/1/012009</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Experimental observations of arc-anode attachment in steam-argon-air environment

  • Original language description

    DC arc plasma torches performance depends strongly on processes near anode. Arc-anode interaction not only defines lifetime of the electrode but also influences power distribution in the plasma and flow structure of the jet. This paper presents an experimental investigation of effects of gas properties and flow conditions on an arc-anode attachment. Several optical and electric diagnostic means were used to provide complex image of behaviour of the attachment and resulting state of anode surface.It is shown that even in one particular regime of the arc-anode attachment,which is called a restrike mode,dynamic behaviour and resulting erosion of anode can be significantly different.For example with argon in arc-anode gap the anode surface melt more intensively than with air environment.Despite increased melting weaker radiation of copper vapour was found in plasma.It was also shown that control of arc-anode attachment position in air environment had substantial effect on anode erosion

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BL - Plasma physics and discharge through gases

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2012

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Journal of Physics: Conference Series

  • ISBN

  • ISSN

    1742-6588

  • e-ISSN

  • Number of pages

    9

  • Pages from-to

    012009-012009

  • Publisher name

    IOP Publishing Ltd

  • Place of publication

    Bristol

  • Event location

    Bologna

  • Event date

    Jun 24, 2012

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000314395400010