Using this device can control the test point of contact line in shortcircuit and heat cycle experiment of catenary, as a result, the temperature of contact line can be measured.
使用该装置可以对接触网短路热循环实验各个测温点进行循环测量。
Moreover, hot-gas cycle test is carried out to simulate the uses in the work field, which can be used to evaluate the heat resistance of the large-scale equipment.
同时，对设备进行热气循环实验以模拟实际使用工况，达到检测设备耐热性能的目的。
This dissertation is one of the sub-problems of "Computer Dynamic Test and Calculation of Welding Heat-cycle", which is a project on natural science fund.
本文是自然科学基金项目“焊接热循环的计算机动态测试与计算”的一个子课题。
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