Experimental characterization of particulate deposition on turbine vane leading-edge models with various showerhead cooling geometries

X Yang, Z Hao, Z Feng - International Journal of Thermal Sciences, 2025 - Elsevier
Designing film cooling for the leading-edge area of a turbine vane is much challenging due
to the highest thermal load, flow stagnation, as well as distorted incoming flows …

The effect of gas and surface temperature on cold-side and hot-side turbine deposition

JP Bons, C Lo, E Nied, J Han - Journal of …, 2022 - asmedigitalcollection.asme.org
Deposition studies were conducted using two impingement jet facilities: a 60 m/s cold jet
(830–950 K) impinging on a heated Hastelloy-X surface (1033–1255 K) and a 215 m/s hot …

Development and applications of a coupled particle deposition—dynamic mesh morphing approach for the numerical simulation of gas turbine flows

PR Forsyth, DRH Gillespie… - … of Engineering for …, 2018 - asmedigitalcollection.asme.org
The presence and accretion of airborne particulates, including ash, sand, dust, and other
compounds, in gas turbine engines can adversely affect performance and life of …

Numerical simulation of the solidification phenomena of single molten droplets impinging on non-isothermal flat plate using explicit moving particle simulation method

K Fukudome, Y Muto, K Yamamoto, H Mamori… - International Journal of …, 2021 - Elsevier
In jet engines and gas turbines, the deposition phenomenon is attributed to the adhesion of
molten droplets on walls. In this study, numerical simulations of the deposition phenomena …

Effect of particle deposition on film cooling from fan-shaped holes

X Chen, Y Wang, Y Long, S Weng - International Journal of Heat and Mass …, 2021 - Elsevier
Film cooling from fan-shaped holes is an essential cooling technology in modern gas
turbines. The cooling performance degradation and life reduction of high-temperature …

Experimental study of impact of in-service deterioration on thermal performance of high-pressure nozzle guide vanes

M Michaud, NHK Chowdhury… - Journal of …, 2023 - asmedigitalcollection.asme.org
In this paper, we analyze the impact of in-service deterioration on the overall thermal
performance (metal effectiveness) of heavily cooled high-pressure nozzle guide vanes of a …

Unsteady modeling of particle deposition effects on aerodynamics and heat transfer in turbine stator passages with mesh morphing

Z Hao, X Yang, Z Feng - International Journal of Thermal Sciences, 2023 - Elsevier
In order to have a further insight into the dynamic build-up process of particle deposits within
the high-pressure turbine stator of an aeroengine and also into their effects on aerodynamic …

[HTML][HTML] Particle deposition patterns on high-pressure turbine vanes with aggressive inlet swirl

Y Xing, HAO Zihan, F Zhenping - Chinese Journal of Aeronautics, 2022 - Elsevier
Characteristics of particle migration and deposition were numerically investigated in
presence of aggressive swirl at the turbine inlet. The isolated effects of the inlet swirl were …

A review of multiphase flow and deposition effects in film-cooled gas turbines

J Wang, M Vujanović, B Sunden - Thermal science, 2018 - doiserbia.nb.rs
This paper presents a review of particle deposition research in film-cooled gas turbines
based on the recent open literature. Factors affecting deposition capture efficiency and film …

Computational simulation of deposition in a cooled high-pressure turbine stage with hot streaks

R Prenter, A Ameri, JP Bons - Journal of …, 2017 - asmedigitalcollection.asme.org
Ash particle deposition in a high-pressure turbine stage was numerically investigated using
steady Reynolds-averaged Navier-Stokes (RANS) and unsteady Reynolds-averaged Navie …