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本文介绍了大功率速调管阴极加热系统的热计算程序。根据管子设计要求的加热结构和阴极型式来计算阴极获最高激活温度所需的加热功率。根据传热学理论进行了加热系统的热计算,并用实验校核了计算方法的准确程度。实验证明误差在工程计算允许的范围之内。适当的设计计算可得出一个加热系统结构的最佳设计,产生最高的热效率。此计算方法可供大功率超高频器件加热系统的设计参考。实验所得的一些数据对设计也具有参考价值。
This article describes the thermal calculation of high-power klystron cathode heating systems. The heating power required by the cathode at the highest activation temperature is calculated according to the heating structure and cathode type required by the tube design. According to the heat transfer theory, the heat calculation of the heating system was carried out. The accuracy of the calculation method was verified by experiments. The experiment proved that the error is within the allowable range of engineering calculation. Proper design calculations yield the best design of a heating system structure, resulting in the highest thermal efficiency. This calculation method is suitable for the design of high-power UHF heating system. Some of the experimental data also have a reference value for the design.