| Measurement of cathode surface temperature using the method of CCD imaging in arc discharge |
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| 作者姓名： | LI Hui WANG Chuan-Bing |
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| 作者单位： | Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230027, China |
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| 摘 要： | A two-wavelength pyrometry device using ordinary array CCD （charge coupled device） to collect the radiation data in the horizontal and vertical directions has been developed for measuring the cathode surface temperature during the arc discharge. Analyses of experimental results show that the device can make the measurement of the cathode surface temperature feasible. The cathode surface temperatures measured are lower than the melting point of tungsten （3653 K）, and the arc current, cathode diameter, and the cathode length are the main influencing factors of the cathode surface temperature.
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| 关 键 词： | 阴极表面温度 电弧放电 电荷耦合器件 双波长测高温技术 |
| 收稿时间： | 2005-08-31 |
Measurement of cathode surface temperature using the method of CCD imaging in arc discharge |
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| LI Hui WANG Chuan-Bing.Measurement of cathode surface temperature using the method of CCD imaging in arc discharge[J].Nuclear Science and Techniques,2006,17(4):237-240. |
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| Authors: | LI Hui WANG Chuan-Bing |
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| Affiliation: | Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230027, China |
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| Abstract: | A two-wavelength pyrometry device using ordinary array CCD (charge coupled device) to collect the radiation data in the horizontal and vertical directions has been developed for measuring the cathode surface temperature during the arc discharge. Analyses of experimental results show that the device can make the measurement of the cathode surface temperature feasible. The cathode surface temperatures measured are lower than the melting point of tungsten (3653 K), and the arc current, cathode diameter, and the cathode length are the main influencing factors of the cathode surface temperature. |
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| Keywords: | Cathode surface temperature Arc discharge Charge coupled device Two-wavelength pyrometry technique |
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