مؤتمر
Influence of the Material Nature (Ag, Cu, Al, Fe, W, C) on the Arc Root Characteristics at the Cathode
| العنوان: | Influence of the Material Nature (Ag, Cu, Al, Fe, W, C) on the Arc Root Characteristics at the Cathode |
|---|---|
| المؤلفون: | Abbaoui, M'Hammed, Lefort, A., Clain, Stéphane |
| المساهمون: | Laboratoire arc électrique et plasmas thermiques (LAEPT), Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Mathématiques Blaise Pascal (LMBP), Institute of Electrical and Electronics Engineers, Inc |
| المصدر: | ISDEIV XXI XXIth International Symposium on Discharges and Electrical Insulation in Vacuum ; https://hal.science/hal-00019457Test ; 2004, pp.233-236 |
| بيانات النشر: | HAL CCSD IEEE |
| سنة النشر: | 2004 |
| المجموعة: | HAL Clermont Auvergne (Université Blaise Pascal Clermont-Ferrand / Université d'Auvergne) |
| مصطلحات موضوعية: | Arc root, material nature, cathode, spot, liquid-vapour phases, [PHYS.PHYS.PHYS-PLASM-PH]Physics [physics]/Physics [physics]/Plasma Physics [physics.plasm-ph] |
| الوصف: | This paper describes a thermo physical phenomena analysis about a silver, copper, aluminium, iron, tungsten or graphite electrode submitted to a high density energy flux. The thermal flux necessary to create a cathode spot is about 1.1012 Wm-2. For the studied metals and for values lower than 1.1011 Wm-2, the liquid phase does not appears and the entire energy coming at the cathode surface diffuses in the electrode. For values upper than 5.1012 Wm-2 a large part of the energy is used for the vaporization and the electrode vaporized length depends of the material nature. The gap situated between the two extreme values 1.1011 Wm-2 and 1.1013 Wm-2 corresponds to the cathode spot with liquid and vapour phases. |
| نوع الوثيقة: | conference object |
| اللغة: | English |
| العلاقة: | hal-00019457; https://hal.science/hal-00019457Test |
| الإتاحة: | https://hal.science/hal-00019457Test |
| رقم الانضمام: | edsbas.A88C7A50 |
| قاعدة البيانات: | BASE |
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