Chin. Phys. Lett.  2008, Vol. 25 Issue (4): 1376-1379    DOI:
Original Articles |
A Power Interruption Technique for Investigation of Temperature Difference in Stabilized Low Direct-Current Arc Burning in Pure Argon on Atmospheric Pressure
M. M. Kuzmanovic1;J. J. Savovic2;D. P. Rankovic1;M. Stoiljkovic2;A. Antic Jovanovic1;M.S. Pavlovic2;M. Marinkovic2
1Faculty for Physical Chemistry, University of Belgrade, PO Box 137, 11001 Belgrade, Serbia2Laboratory of Physical Chemistry, Institute Vinca, PO Box 522, 11000 Belgrade, Serbia
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M. M. Kuzmanovic, J. J. Savovic, D. P. Rankovic et al  2008 Chin. Phys. Lett. 25 1376-1379
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Abstract Plasma of argon stabilized arc column, in a current range 3--11A, is investigated using emission spectrometric diagnostic techniques. Temperatures are evaluated using several methods: argon line to adjacent recombinational continuum intensity ratio, absolute emissivity of argon line, measurement of electron number density, and power interruption. Electron number density is evaluated from absolute emissivity of recombinational
continuum. The difference between electron Te and heavy particle Th temperature ranged from 4500K for 3A to 2300K for 11A arc current. By comparing the present with the previously obtained results, using the same arc device but with the introduction of water aerosol, it is concluded that water aerosol reduces the difference Te-Th and brings plasma closer to the partial thermodynamic equilibrium state.
Keywords: 52.80.Yr      52.80.Mg      52.70.-m     
Received: 22 November 2007      Published: 31 March 2008
PACS:  52.80.Yr (Discharges for spectral sources)  
  52.80.Mg (Arcs; sparks; lightning; atmospheric electricity)  
  52.70.-m (Plasma diagnostic techniques and instrumentation)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2008/V25/I4/01376
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M. M. Kuzmanovic
J. J. Savovic
D. P. Rankovic
M. Stoiljkovic
A. Antic Jovanovic
M.S. Pavlovic
M. Marinkovic
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