Turbine blade conjugated heat transfer analysis method based on parametric modeling

被引：0
|
作者：
Wang M. [1 ]
Xue W. [1 ]
Chen A. [1 ]
Zeng J. [1 ]
机构：
[1] AECC Sichuan Gas Turbine Establishment, Chengdu
来源：
Tuijin Jishu/Journal of Propulsion Technology | 2024年 / 45卷 / 04期
关键词：
Air-cooled turbine; Blade cooling; Conjugate heat transfer; High-fidelity geometric model; Parametric modeling;
D O I：
10.13675/j.cnki.tjjs.2210066
中图分类号：
学科分类号：
摘要：
High-performance aeroengine develops rapidly with higher turbine inlet temperature which is supported by air-cooled turbine technology. However，the interaction between cooling-air and gas becomes more and more complex with the application of cooling forms such as internal impact，pin fins，convection film，and film cooling in turbines. A parametric modeling method is proposed for the rapid and refined assessment of the coupling effects of flow and heat transfer on complex cooling turbine blades. The high-fidelity geometric modeling and conjugated heat transfer analysis are carried out for GE E3 high pressure turbine first guide vane. The analysis shows that the parametric modeling method can reproduce complex air-cooled blade structure and obtain high accuracy of conjugated heat transfer calculation. Thus，a lot of details of flow and heat transfer inside the turbine are obtained，which can benefit the refined design of turbine with high inlet temperature. © 2024 Journal of Propulsion Technology. All rights reserved.
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