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Simulation and optimization of deformation near a hole in an oxide forming alloy foil subjected to thermo-mechanical cycling

机译：热机械循环下氧化物成形合金箔中孔附近变形的模拟和优化

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摘要

The gas turbine engines are used as the propulsion systems of the aircrafts, the vehicles or the power devices. Some components of the gas turbine engines are exposed to the high temperature environment. Therefore, durability of the components will directly affect the life cycles of the gas turbine engines. For protecting the blades of the gas turbine engines, a TBC (thermal barrier coating) system is used under the condition of combining with film cooling holes. The TBC systems can improve not only durability of the components in the high temperature environment but also the thermal efficiency of the gas turbine engines through increasing the operating temperature. In this paper, the simulation and optimization methods were studied for improving durability of the TBC systems. At first, the theoretical methods were discussed under the condition of considering the experimental data together. In the following step, the deformations near a hole under the different thermo-mechanical conditions were compared and optimized using DOE (design of experiments) method for the objective of improving durability of the TBC systems.
机译：燃气涡轮发动机被用作飞机，车辆或动力装置的推进系统。燃气涡轮发动机的某些组件暴露于高温环境。因此，部件的耐用性将直接影响燃气涡轮发动机的寿命。为了保护燃气涡轮发动机的叶片，在结合薄膜冷却孔的条件下使用了TBC（隔热涂层）系统。通过提高工作温度，TBC系统不仅可以提高组件在高温环境下的耐久性，而且可以提高燃气涡轮发动机的热效率。为了提高TBC系统的耐久性，研究了仿真和优化方法。首先，在综合考虑实验数据的条件下讨论了理论方法。在接下来的步骤中，使用DOE（实验设计）方法比较和优化了在不同热机械条件下孔附近的变形，以提高TBC系统的耐久性。

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