期刊
ENGINEERING APPLICATIONS OF COMPUTATIONAL FLUID MECHANICS
卷 6, 期 4, 页码 608-621出版社
HONG KONG POLYTECHNIC UNIV, DEPT CIVIL & STRUCTURAL ENG
DOI: 10.1080/19942060.2012.11015446
关键词
heat transfer; pressure drop; porous media; heat exchanger; aero engine
资金
- E.U. [FP6-030876]
The 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.
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