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首页> 外文期刊>Engineering Applications of Computational Fluid Mechanics >Modelling Operation of System of Recuperative Heat Exchangers for Aero Engine with Combined Use of Porosity Model and Thermo-Mechanical Model
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Modelling Operation of System of Recuperative Heat Exchangers for Aero Engine with Combined Use of Porosity Model and Thermo-Mechanical Model

机译：孔隙率模型与热力模型结合使用的航空发动机换热器系统建模操作

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AbstractThe present work describes an effort to model the operation of a system of recuperative heat exchangers of an aero engine for real engine operating conditions. The modelling was performed with the combined use of a porous medium model and a thermo mechanical model. The porous medium model was taking into account the heat transfer and pressure loss behaviour of the heat exchangers while the thermo mechanical one was used for the calculation of the wall temperature distribution of the elliptic tubes of the heat exchangers. As it is presented, the combined use of these models can provide a useful tool which can help in the prediction of the macroscopic behaviour of the system of recuperative heat exchangers of the aero engine which can be used for optimization purposes and numerical studies.
机译：摘要本工作描述了为真实发动机工况对航空发动机的换热热交换器系统的运行进行建模的工作。结合多孔介质模型和热力学模型进行建模。多孔介质模型考虑了换热器的传热和压力损失行为，而热力学模型则用于计算换热器椭圆管的壁温分布。如图所示，这些模型的组合使用可以提供有用的工具，该工具可以帮助预测航空发动机的换热热交换器系统的宏观行为，该行为可用于优化目的和数值研究。

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