| Ambipolar Diffusion in Direct-Current Positive Column with Variations in Radius of Discharge Tube |
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| 引用本文： | D. AKBAR S. BILIKMEN. Ambipolar Diffusion in Direct-Current Positive Column with Variations in Radius of Discharge Tube[J]. 中国物理快报, 2006, 23(9): 2498-2501 |
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| 作者姓名： | D. AKBAR S. BILIKMEN |
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| 作者单位： | Department of Physics, Middle East Technical University, 06531 Ankara, Turkey |
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| 摘 要： |
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| 关 键 词： | 双极扩散 直接电流正柱 流量管 辐射 离子迁移率 等离子体 |
| 收稿时间： | 2006-04-12 |
| 修稿时间： | 2006-04-12 |
Ambipolar Diffusion in Direct-Current Positive Column with Variations in Radius of Discharge Tube |
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| D. AKBAR, S. BILIKMEN. Ambipolar Diffusion in Direct-Current Positive Column with Variations in Radius of Discharge Tube[J]. Chinese Physics Letters, 2006, 23(9): 2498-2501 |
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| Authors: | D. AKBAR S. BILIKMEN |
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| Affiliation: | Department of Physics, Middle East Technical University, 06531 Ankara, Turkey |
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| Abstract: | The ambipolar diffusion and argon ion mobility as functions of the reduced electric field and pressure times the tube radius are investigated in a weakly ionized non-uniform glow discharge plasma system. In particular, the variable cross section at the same discharge tube on the ambipolar diffusion coefficient shows a more noticeable effect than the effects from the ion mobility. As the diffusion length A increases, the ambipolar diffusion Da increases. However, it decreases as the discharge current is increased. |
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