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Measurements of Some Plasma Parameters of Hybrid Discharge in Air at Moderate Pressure | ||
| Journal of Education and Science | ||
| Article 8, Volume 18, Issue 2, 2006, Pages 64-77 PDF (0 K) | ||
| DOI: 10.33899/edusj.2007.78830 | ||
| Author | ||
| S.K. AL-Hakary | ||
| Abstract | ||
| In abnormal glow discharge in air under (D.C) excitation at different pressures in varying both frequency and amplitude of radio frequency field. Measurements of some plasma parameters such as (axial and radial electric field, electrical conductivity of positive column and electrical conductivity of glow discharge between the electrodes) have been reported for various currents discharge by using double probe method. The results show that the radial distribution of both axial and radial electric field measured between probes is nearly exponential and increases with the increasing A.C amplitude. This will in turn the conductivity of the positive column decreasing, furthermore to that he variation of axial electric field between electrodes with both frequency and A.C amplitude is nearly inversible leading to increasing electrical conductivity between electrodes according to that. The electrical conductivity between electrodes proportional linearly with the gas pressure, while the electrical conductivity of the positive column proportional inversely with gas pressure. | ||
| Keywords | ||
| Plasma Parameters; Hybrid Discharge; Moderate Pressure | ||
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