Large eddy simulation of film cooling: A review

J Ahn - Energies, 2022 - mdpi.com
Film cooling has dramatically contributed to the performance improvement of gas turbines,
as it is a very effective cooling technique for gas turbines. Large eddy simulation (LES) …

Flow and heat transfer characteristics of double-wall cooling with multi-row short film cooling hole arrangements

Y Liu, Y Rao, L Yang, Y Xu, A Terzis - International Journal of Thermal …, 2021 - Elsevier
The double-wall cooling systems with internal jet impingements and external film cooling are
greatly applicable in modern turbine blades, providing enhanced cooling capabilities …

Experimental and numerical studies on enhanced effusion cooling with shallowly dimpled film holes on double-wall structure surface

Y Rao, Y Li, Y Liu, L Yang - International Journal of Heat and Fluid Flow, 2023 - Elsevier
This paper presents a flow and heat transfer investigation on multi-row dimpled film cooling
in the double-wall configuration, considering important flow and geometrical characteristics …

Direct numerical simulation of supersonic turbulent flow with film cooling by wall-parallel blowing

JMF Peter, MJ Kloker - Physics of Fluids, 2022 - pubs.aip.org
An advanced film-cooling application is the thermal protection of the nozzle extension of
high-performance rocket engines. The extension wall needs be protected from the hot …

[HTML][HTML] Modelling and Simulation of Effusion Cooling—A Review of Recent Progress

H Xia, X Chen, CD Ellis - Energies, 2024 - mdpi.com
Effusion cooling is often regarded as one of the critical techniques to protect solid surfaces
from exposure to extremely hot environments, such as inside a combustion chamber where …

Structure analysis of adiabatic film cooling effectiveness in the near field of a single inclined jet: Measurement using fast-response pressure-sensitive paint

AR Khojasteh, SF Wang, D Peng, S Yavuzkurt… - International Journal of …, 2017 - Elsevier
In the present study, the film cooling effectiveness in the near field (x/D< 4) of a single
inclined film-cooling jet was measured using fast-response pressure sensitive paint (fast …

Stress-blended eddy simulation of coherent unsteadiness in pressure side film cooling applied to a first stage turbine vane

S Ravelli, G Barigozzi - Journal of Heat Transfer, 2018 - asmedigitalcollection.asme.org
Within the framework of scale resolving simulation techniques, this paper considers the
application of the stress-blended eddy simulation (SBES) model to pressure side (PS) film …

Numerical study of unsteady flow and cooling characteristics of turbine blade cutback trailing edges integrated with pin fins and film holes

Y Li, H Xu, J Wang, J Zhu, H Su - Aerospace Science and Technology, 2022 - Elsevier
Accurate prediction of the unsteady flow mixing process and its effects on cooling
performance in the turbine blade trailing edge (TE) is essential to improving TE cooling …

Boundary-condition models of film-cooling holes for large-eddy simulation of turbine vanes

D Dupuy, A Perrot, N Odier, LYM Gicquel… - International Journal of …, 2021 - Elsevier
In many industrial applications, the mechanical integrity of a surface operating under large
thermal loads is ensured by injecting a cold fluid through a series of hole along the surface …

Comparison of rans and detached eddy simulation modeling against measurements of leading edge film cooling on a first-stage vane

S Ravelli, G Barigozzi - Journal of Turbomachinery, 2017 - asmedigitalcollection.asme.org
The performance of a showerhead arrangement of film cooling in the leading edge region of
a first-stage nozzle guide vane was experimentally and numerically evaluated. A six-vane …