Informace o publikaci

Experimental study of gliding arc plasma channel motion: buoyancy and gas flow phenomena under normal and hypergravity conditions

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POTOČŇÁKOVÁ Lucia ŠPERKA Jiří ZIKÁN Petr VAN LOON Jack J. W. A. BECKERS Job KUDRLE Vít

Rok publikování 2017
Druh Článek v odborném periodiku
Časopis / Zdroj Plasma Sources Science and Technology
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://iopscience.iop.org/0963-0252/26/4/045014
Doi http://dx.doi.org/10.1088/1361-6595/aa5ee8
Obor Fyzika plazmatu a výboje v plynech
Klíčová slova gliding arc; hypergravity; gas drag; buoyancy; flow dynamics; atmospheric pressure plasma; centrifuge
Přiložené soubory
Popis The details of plasma channel motion are investigated by frame-by-frame image analysis of high speed recording of a gliding arc. The gliding arc is operated in several noble gases at various flow rates, voltages and artificial gravity levels. Several peculiarities in evolution of individual glides are observed, described and discussed, such as accelerating motion of plasma channel or shortcutting events of various kinds. Statistics of averaged parameters are significantly different for buoyancy and gas drag dominated regimes, which is put into relation with differing flow patterns for hypergravity and high gas flow.
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