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通过理论和实验的方法,对螺旋线慢波结构中的界面热阻率进行了研究.分析了两个接触处的界面热阻率对慢波结构散热性能的不同影响.提出了一种计算界面热阻率的方法,并对其准确性和可行性进行了验证.该方法可以分别估算两个接触处的界面热阻率,并考虑了组件材料属性随温度变化的特性.利用该方法研究了夹持杆材料和装配方法对螺旋线慢波结构界面热阻率的影响.
Theoretical and experimental methods are used to study the interfacial thermal resistivity of helical slow-wave structures, and the influence of interfacial thermal resistivity at two contacts on the heat dissipation performance of a slow-wave structure is analyzed. A computational interface Thermal resistivity and the accuracy and feasibility of the method were verified.The method can estimate the interfacial thermal resistivity of the two contacts and take into account the properties of the material properties of the component with temperature changes.This method has been used to study the Effect of Holding Rod Material and Assembly Method on Thermal Resistivity of Helical Slow Wave Structures Interface.