行波管电子枪热分析

IVESC 2004. The 5th International Vacuum Electron Sources Conference Proceedings (IEEE Cat. No.04EX839) Pub Date : 2004-09-06 DOI:10.1109/IVESC.2004.1414185

K. S. Bhata, K. Sreedevib, M. Ravi

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引用次数: 8

摘要

本文利用有限元分析软件ANSYS#对某型电子枪进行了热分析，并进行了实验验证。在给定的加热器功率下，阴极按钮达到的极限温度取决于通过支撑结构和辐射的热损失机制。对阴极的各种加热器功率进行了稳态热分析，确定了阴极按钮的温度。对电子枪结构进行了瞬态热分析，确定了加热时间。这些结果在实验室组装的电子枪上得到了实验验证。理论和实验结果吻合较好，验证了模型和边界条件的正确性。分析了不同材料下支撑结构的热泄漏情况。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Thermal analysis of electron gun for traveling wave tubes

Thermal analysis of a pierce type electron gun using FEM software ANSYS# and its experimental validation are given in this paper. Ultimate temperature reached by the cathode button, at given heater power, depends on the heat loss mechanism through the support structure and radiation. Steady state thermal analysis has been carried out for various heater powers of the cathode to find out the temperature of the cathode button. Transient thermal analysis of the electron gun structure has been carried out to find the warm up time. These results were verified experimentally in an electron gun assembled in the laboratory. Theoretical and experimental results are closely matching and it validates our model and boundary conditions. Thermal drain of support structure has also been analyzed for different materials.

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IVESC 2004. The 5th International Vacuum Electron Sources Conference Proceedings (IEEE Cat. No.04EX839)

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