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National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Application of Electric Probes for Study of Structure of Thermal Plasma Jet.
 Hurba, Oleksiy ; Hrabovský, Milan
Thermal plasma at atmospheric pressure was investigated. Electric probes and doable probe used as relatively simple and efficient tool for diagnostic of structure of flow field in thermal plasma jet. Were defined plasma potential and boundaries of the conducting region and their changing for the diferent operating modes of plasma torch.
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Electric Probe Diagnostic of Supersonic Thermal Plasma Jet
 Hurba, Oleksiy ; Hrabovský, Milan
This paper describes how electric probes can be used as relatively simple and efficient tool for investigation of structure of flow field in thermal plasma jet at the low pressure. A boundary of plasma jet between nozzle of plasma torch and ambient air was investigated by means of array of moving electric probes. Were defined boundaries of the conducting region and their change with pressure change
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Měření elektrickými sondami v okrajových částech jetu termického plazmatu při nízkých tlacích
 Hurba, Oleksiy ; Hrabovský, Milan ; Gregor, Jan
Positively biased electric probes for investigation of properties of thermal plasma jet expanding into low-pressure atmosphere. The jet was generated in dc arc plasma torch with combined stabilization of arc by gas flow and water vortex. Plasma floating potential and plasma resistance in different positions in the vicinity of plasma jet were determined for various pressures of ambient atmosphere.
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Měření potenciálu plazmatu a elektronového a iontového proudu v obloukovém proudu plazmatu pomocí elektrických sond
 Hurba, Oleksiy ; Hrabovský, Milan ; Kopecký, Vladimír ; Chumak, Oleksiy
The results of studying of a plasma jet with use electric probes are presented. Distribution of potential in anode region of plasma jet and distribution of currents to positively biased probes were received. Distribution of electric field intensity in sheath of cold gas between the anode surface and the jet and distribution of density of power dissipated in the sheath are calculated.
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