| Issue |
EPJ Web Conf.
Volume 264, 2022
EFM21 – 15th International Conference “Experimental Fluid Mechanics 2021”
|
|
|---|---|---|
| Article Number | 01027 | |
| Number of page(s) | 8 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/202226401027 | |
| Published online | 11 July 2022 | |
https://doi.org/10.1051/epjconf/202226401027
Experimental and numerical study of natural convection in 3D double horizontal annulus
1
Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Center of Advanced Aerospace Technology, Czech Technical University in Prague. Technicka 4, Praha 6, Czech Republic.
2
Department of Technical Mathematics, Faculty of Mechanical Engineering, Center of Advanced Aerospace Technology, Czech Technical University in Prague. Technicka 4, Praha 6, Czech Republic.
3
Department of Fluid Dynamics and Thermodynamics, Faculty of Mechanical Engineering, Czech Technical University in Prague. Technicka 4, Praha 6, Czech Republic.
* Corresponding author: jan.parez@fs.cvut.cz
Published online: 11 July 2022
Presented paper is focused on numerical simulation of turboprop engine cooling in the section of a gas turbine. The method of heat transfer motor cooling by natural convection and radiation is described. The heat transfer in gas turbine section is represented on a simplified double annular geometry. Numerical data were compared with data that was gained from measuring on an experimental stand. The surface temperatures of the tubes were measured on the experiment stand during the cooling of the engine model. Numerical and experimental results reach a good agreement and will be further applied to the study of temperature-dependent deformation of aircraft engine parts, which have a significant effect on the safety and flawless operation of the aircraft engine.
© The Authors, published by EDP Sciences, 2022
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