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本文对用脉冲法测定热扩散率的方法误差和测量误差进行了全面详细的分析;特别是对辐射热损失和热电偶响应时间引入的误差给出了实验结果。
In this paper, a detailed and detailed analysis of the method error and the measurement error of the thermal diffusivity measured by the pulse method is given. The experimental results are given especially for the errors introduced by the radiative heat loss and the thermocouple response time.