| Original Articles |
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Arc Root Motions in an Argon--Hydrogen Direct-Current Plasma Torch at Reduced Pressure |
| HUANG He-Ji, PAN Wen-Xia, WU Cheng-Kang |
| Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190 |
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| Cite this article: |
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HUANG He-Ji, PAN Wen-Xia, WU Cheng-Kang 2008 Chin. Phys. Lett. 25 4058-4060 |
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Abstract Arc root motions in generating dc argon--hydrogen plasma at reduced pressure are optically observed using a high-speed video camera. The time resolved angular position of the arc root attachment point is measured and analysed. The arc root movement is characterized as a chaotic and jumping motion along the circular direction on the anode surface.
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| Keywords:
52.25.Gj
52.70.-m
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Received: 12 July 2008
Published: 25 October 2008
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| PACS: |
52.25.Gj
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(Fluctuation and chaos phenomena)
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52.70.-m
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(Plasma diagnostic techniques and instrumentation)
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