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Theoretical prediction and experimental verification of temperature distribution in FGM cylindrical plates subjected to thermal shock

机译：FGM圆柱板热冲击温度分布的理论预测与实验验证

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This paper focuses on the problem of temperature field and evaluation of the heat transfer coefficient in FGM cylindrical plates subjected to thermal shock. The cylindrical plates are made of five ceramic layers: purely Al_2O_3 layer and composite layers made of Al_2O_3 matrix and 5, 10, 15, 20 wt% content of ZrO_2. The problem is solved in two stages. First, the heat transfer coefficient on the thermal shock surface is estimated by fitting the experimental data with calculated temperatures for a monolithic plate made of alumina. Then, the obtained heat transfer coefficient is used for prediction of the temperature field in the FGM plate subjected to the same boundary conditions. After comparison with the experimental data, the heat conduction characteristics of the alumina/zirconium composite can be estimated.
机译：本文着重研究了温度场问题以及热冲击对FGM圆柱板传热系数的影响。圆柱形板由五层陶瓷层制成：纯Al_2O_3层和由Al_2O_3基体和5、10、15、20 wt％的ZrO_2组成的复合层。该问题分两个阶段解决。首先，通过将实验数据与由氧化铝制成的整体板的计算温度进行拟合，来估算热冲击表面上的传热系数。然后，将获得的传热系数用于预测在相同边界条件下的FGM板中的温度场。与实验数据进行比较后，可以估算出氧化铝/锆复合材料的导热特性。

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