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Spatial Distribution of Oscillations in a Modulated DC Plasma Jet
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SYSNO ASEP 0330142 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Spatial Distribution of Oscillations in a Modulated DC Plasma Jet Title Prostorové rozložení oscilací v modulovaném proudu plazmatu Author(s) Gruber, Jan (UT-L) RID, ORCID
Šonský, Jiří (UT-L) RIDSource Title XVIII th Symposium un Physics of Switching Arc. - Brno - Letohrad : Brno University of Technology, 2009 - ISBN 978-80-214-3793-7 Pages s. 182-185 Number of pages 4 s. Publication form CD ROM - CD ROM Action Symposium on Physics of Switching Arc /18./ Event date 07.09.2009-11.09.2009 VEvent location Nové Město na Moravě Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords plasma torch ; thermal plasma ; modulated current Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects GP202/09/P275 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20570509 - UE-C, UT-L (2005-2011) UT WOS 000272786100031 EID SCOPUS 84899422406 Annotation Electric current in a vertically oriented DC plasma torch was modulated with frequencies varying in the range 15 Hz ? 7.5 kHz. Resulting plasma jet optical radiation was recorded by the high-speed CCD camera. The length of the record and the time resolution were sufficient for the application of the FFT yielding a detailed view of the oscillation phenomena in the plasma flow. Significant oscillations were identified and their distributions in the jet plane examined. In this work we show influence of current modulation on the dominant frequencies of oscillations and their spatial distributions. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2010
Number of the records: 1