High resolution experimental and computational methods for modelling multiple row effusion cooling performance

AV Murray, PT Ireland, TH Wong, SW Tang… - International Journal of …, 2018 - mdpi.com
The continuing rise in turbine entry temperatures has necessitated the development of ever-
more advanced cooling techniques. Effusion cooling is an example of such a system and is …

[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 …

[HTML][HTML] LES informed data-driven models for RANS simulations of single-hole cooling flows

CD Ellis, H Xia - International Journal of Heat and Mass Transfer, 2024 - Elsevier
A LES-informed data-driven approach for improved predictions of the turbulent heat flux
vector has been sought for film and effusion cooling flow applications. Random forest and …

Isolating influences of varying pitch from the effects of non-zero compound angles on effusion cooling

Y Pyo, J Son, P Richer, B Jodoin… - The Aeronautical …, 2024 - cambridge.org
Effusion cooling is the state-of-the-art cooling technology for gas turbine hot-gas path
components. Typically, effusion cooling holes across the entire combustor liner are aligned …

[HTML][HTML] Data-driven turbulence anisotropy in film and effusion cooling flows

CD Ellis, H Xia - Physics of Fluids, 2023 - pubs.aip.org
Film and effusion cooling flows contain complex flow that classical Reynolds-averaged
Navier–Stokes (RANS) models struggle to capture. A tensor-basis neural network is …

Experimental and numerical investigation of swirling flow on the conjugate cooling efficiency of an effusion-cooled combustor

G Dong, Y Liu, M Wang, J Zhang, X He - International Journal of Thermal …, 2024 - Elsevier
Effusion cooling has been extensively employed in the liner thermal protection of modern
combustors, however, its performance in swirling flow fields remains to be thoroughly …

PIV and rotational Raman-based temperature measurements for CFD validation of a perforated plate cooling flow: Part I

MP Wernet, NJ Georgiadis, R Locke… - AIAA Scitech 2020 …, 2020 - arc.aiaa.org
Film cooling is used in a wide variety of engineering applications for protection of surfaces
from hot or combusting gases. The design of more efficient film cooling geometries …

Film cooling modeling for gas turbine nozzles and blades: Validation and application

L Andrei, L Innocenti, A Andreini… - Journal of …, 2017 - asmedigitalcollection.asme.org
The design of modern gas turbines cooling systems cannot be separated from the use of
computational fluid dynamics (CFD) and the accurate estimation of the effect of film cooling …

Effusion cooling in gas turbine combustion chambers-a comprehensive review

KRY Kumar, A Qayoum, S Saleem… - IOP Conference Series …, 2020 - iopscience.iop.org
Effusion cooling technique is an advanced concept for reducing the wall temperature in
combustion chamber liners and gas turbine blades by injecting cross flow secondary fluid …

TPMS-based transpiration cooling for film cooling enhancement

M Broumand, J Son, Y Pyo, S Yun, Z Hong - International Journal of Heat …, 2024 - Elsevier
The present study experimentally evaluates the adiabatic film cooling effectiveness of a
gaseous transpiration cooling concept based on a family of nature-inspired triply periodic …