| Issue |
MATEC Web Conf.
Volume 328, 2020
XXII. International Scientific Conference – The Application of Experimental and Numerical Methods in Fluid Mechanics and Energy 2020 (AEaNMiFMaE-2020)
|
|
|---|---|---|
| Article Number | 02015 | |
| Number of page(s) | 10 | |
| Section | Modelling and Simulation in Fluid Mechanics and Energy | |
| DOI | https://doi.org/10.1051/matecconf/202032802015 | |
| Published online | 18 November 2020 | |
Numerical Modelling of Round Impinging Jet Heat Transfer Using Scale-Resolving-Simulation Methods: Influence of Local Grid Refinement
Technical University of Liberec, Department of Power Engineering Equipment, Studentská 2, 461 17 Liberec, Czech Republic
* Corresponding author: tomas.korinek@tul.cz
An accurate prediction of heat transfer is crucial in many engineering applications and a typical representative is heat transfer of impinging jets. The present study addresses numerical simulations using three Scale-Resolving-Simulation methods, namely the Detached Eddy Simulation, Large Eddy Simulation and the Partially Averaged Navier-Stokes. The study focus on the influence of a local grid refinement on predicted heat transfer. The closest match with experimental data was achieved with DES and PANS (fk = 0.5) models for all computational grids. The grid refinement led to an improvement of predicted results for LES and PANS with a high physical resolution (fk = 0.25).
© The Authors, published by EDP Sciences, 2020
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