| 星形热W阴极温度分布的测量 |
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| 引用本文： | 陈旭. 星形热W阴极温度分布的测量[J]. 桂林电子科技大学学报, 2000, 20(1): 108-111 |
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| 作者姓名： | 陈旭 |
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| 作者单位： | 桂林电子工业学院,计算科学与应用物理系 |
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| 摘 要： | 首先介绍了作为测温元件的热电偶的测量原理,然后在相同长度、相同发夹角和不同加热电流的条件下,用Pt-30Rh/Pt-6Rh热电偶测量了针尖尾部长度不同的星形热钨阴极的温度分布,并研究了加热电流和针尖尾部长度对温度分布的影响.实验的结论对热阴极发射的研究和实际应用具有一定的实用价值.
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| 关 键 词： | Pt-30Rh/Pt-6Rh热电偶 热电动势 星形热钨阴极 温度分布 |
| 修稿时间： | 1999-11-26 |
The Measurement of the Temperature Distribution of the Star-shaped W-cathode |
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| Chen Xu. The Measurement of the Temperature Distribution of the Star-shaped W-cathode[J]. Journal of Guilin University of Electronic Technology, 2000, 20(1): 108-111 |
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| Authors: | Chen Xu |
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| Abstract: | Firstof all, We introduced the principle of measuring temperature of thermocouple. Then weemployed Pt-30Rh/Pt-6Rh thermocouple to measure the temperature distribution of thestar-shaped W-cathode under the identical length and hairpin-angle and differentcurrent.Finally we studied the influence of the length of hairpin-tip and the current onthe temperature distribution. |
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