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航空发动机旋转盘腔内部流动换热特性研究进展综述（英文）: 作者： 夏佳玥 孙文超 董学智 谭春青 来源： 风机技术 年份： 2024 文献类型： 期刊 关键词： the Heat Cavity method Test optimization design Transfer Calculation Rotating Disk Flow; 描述： The rotating disk cavity is an important part of the cooling-air system of the aero engine, and it has obviously significance to study the internal flow and heat transfer characteristics of the disc cavity, which will be helpful to improve the efficiency of the aero engine. This paper summarizes the existing research results of domestic and overseas.The present work considers the test methods and calculation methods of the flow and heat transfer characteristics of the rotating disc cavity of the aircraft engine. It points out that, the main factors which affect the heat transfer characteristics are the disc chamber speed, the intake volume, the design of the disc cavity pre-rotation/despin structure, and the type of disc cavity system. The influence of these factors on the characteristics of flow heat transfer is summarized. Based on these factors, the disc cavity structure can be optimized and designed, which provides suggestions for reducing the weight of the turbine, improving the thrust-to-weight ratio of the aero engine, and improving the cooling efficiency.

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