A review on gas turbine gas-path diagnostics: State-of-the-art methods, challenges and opportunities
Gas-path diagnostics is an essential part of gas turbine (GT) condition-based maintenance
(CBM). There exists extensive literature on GT gas-path diagnostics and a variety of …
(CBM). There exists extensive literature on GT gas-path diagnostics and a variety of …
Generalization of particle impact behavior in gas turbine via non-dimensional grouping
Fouling in gas turbines is caused by airborne contaminants which, under certain conditions,
adhere to aerodynamic surfaces upon impact. The growth of solid deposits causes …
adhere to aerodynamic surfaces upon impact. The growth of solid deposits causes …
A compressor fouling review based on an historical survey of asme turbo expo papers
Fouling afflicts gas turbine operation from first time application. Filtration systems and
washing operations work against air contaminants in order to limit the particles entering the …
washing operations work against air contaminants in order to limit the particles entering the …
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 …
(830–950 K) impinging on a heated Hastelloy-X surface (1033–1255 K) and a 215 m/s hot …
Monte carlo predictions of aero-engine performance degradation due to particle ingestion
M Ellis, N Bojdo, A Filippone, R Clarkson - Aerospace, 2021 - mdpi.com
Aero-engines, which encounter clouds of airborne particulate, experience reduced
performance due to the deposition of particles on their high-pressure turbine nozzle guide …
performance due to the deposition of particles on their high-pressure turbine nozzle guide …
High-dimensional uncertainty quantification of high-pressure turbine vane based on multifidelity deep neural networks
In this work, a new multifidelity (MF) uncertainty quantification (UQ) framework is presented
and applied to the LS89 nozzle modified by fouling. Geometrical uncertainties significantly …
and applied to the LS89 nozzle modified by fouling. Geometrical uncertainties significantly …
Dust ingestion in a rotorcraft engine compressor: Experimental and numerical study of the fouling rate
Helicopters often operate in dusty sites, ingesting huge amounts of contaminants during
landing, take-off, hover-taxi, and ground operations. In specific locations, the downwash of …
landing, take-off, hover-taxi, and ground operations. In specific locations, the downwash of …
The Effect of Elevated Temperatures on Airborne Particle Deposition and Rebounds
N Plewacki, P Gnanaselvam, JP Bons - AIAA Scitech 2020 Forum, 2020 - arc.aiaa.org
The experiments and analysis presented in the following investigation aim to establish a
new model for including temperature effects in the prediction of particle deposition and …
new model for including temperature effects in the prediction of particle deposition and …
Spatial interpolation for periodic surfaces in manufacturing using a Bessel additive variogram model
High-resolution spatial data are essential for characterizing and monitoring surface quality in
manufacturing. However, the measurement of high-resolution spatial data is generally …
manufacturing. However, the measurement of high-resolution spatial data is generally …
EBFOG: Deposition, erosion, and detachment on high-pressure turbine vanes
Fouling and erosion are two pressing problems that severely affect gas turbine performance
and life. When aircraft fly through a volcanic ash cloud, the two phenomena occur …
and life. When aircraft fly through a volcanic ash cloud, the two phenomena occur …