Published January 21, 2004
| Version v1
Journal article
Near-cathode region of a free-burning arc: a spectroscopic investigation
Creators
- 1. Institut fuer Atom- und Molekuelphysik, Abteilung Plasmaphysik, Universitaet Hannover, Callinstrasse 38, D-30167 Hannover (Germany)
Description
The cathode as an electron emitter possesses different modes of operation to maintain the current forced upon the discharge. We investigated spectroscopically the near-cathode region of a free-burning low-current argon arc operated at atmospheric pressure in order to measure the plasma parameters of that mode of operation that we call the blue-core mode. For better interpretation of the experimental data we applied a simple two-temperature model. As a result, we can describe the arc plasma up to 100 μm near the cathode surface
Availability note (English)
Available online at http://stacks.iop.org/0022-3727/37/171/d4_2_005.pdf or at the Web site for the Journal of Physics. D, Applied Physics (ISSN 1361-6463) http://www.iop.org/Additional details
Identifiers
- URL
- http://stacks.iop.org/0022-3727/37/171/d4_2_005.pdf; http://www.iop.org/;
- DOI
- 10.1088/0022-3727/37/2/005;
- PII
- S0022-3727(04)65338-1;
Publishing Information
- Journal Title
- Journal of Physics. D, Applied Physics
- Journal Volume
- 37
- Journal Issue
- 2
- Journal Page Range
- p. 171-179
- ISSN
- 0022-3727
- CODEN
- JPAPBE
INIS
- Country of Publication
- United Kingdom
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 35034911
- Subject category
- S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
- Descriptors DEI
- ARGON; CATHODES; ELECTRIC ARCS; ELECTRIC CURRENTS; ELECTRON TEMPERATURE; PLASMA
- Descriptors DEC
- CURRENTS; ELECTRIC CURRENTS; ELECTRIC DISCHARGES; ELECTRODES; ELEMENTS; FLUIDS; GASES; NONMETALS; RARE GASES