Unsteady Flows and Component Interaction in Turbomachinery

S Salvadori, M Insinna, F Martelli - International Journal of …, 2024 - mdpi.com
Unsteady component interaction represents a crucial topic in turbomachinery design and
analysis. Combustor/turbine interaction is one of the most widely studied topics both using …

Online analytics framework of sensor-driven prognosis and opportunistic maintenance for mass customization

T Xia, X Fang, N Gebraeel, L Xi… - Journal of …, 2019 - asmedigitalcollection.asme.org
In mass customization, a manufacturing line is required to be kept in reliable operation to
handle product demand volatility and potential machine degradations. Recent advances in …

Adiabatic effectiveness on high-pressure turbine nozzle guide vanes under realistic swirling conditions

T Bacci, R Becchi, A Picchi… - Journal of …, 2019 - asmedigitalcollection.asme.org
In modern lean-burn aero-engine combustors, highly swirling flow structures are adopted to
control the fuel-air mixing and to provide the correct flame stabilization mechanisms …

Heat transfer analyses of film-cooled HP turbine vane considering effects of swirl and hot streak

Z Wang, D Wang, Z Wang, Z Feng - Applied Thermal Engineering, 2018 - Elsevier
Conjugate heat transfer (CHT) analyses were conducted on the film-cooled first stage vane
of GE-E 3 engine to reveal the influences of inlet swirl and hot streak (HS) on vane film …

Turbulence field measurements at the exit of a combustor simulator dedicated to hot streaks generation

T Bacci, B Facchini, A Picchi… - … Expo: Power for …, 2015 - asmedigitalcollection.asme.org
In order to deepen the knowledge of the interaction between modern lean burn combustors
and high pressure turbines, a real scale annular three sector combustor simulator has been …

Large eddy simulations of the combustor turbine interface: Study of the potential and clocking effects

C Koupper, G Bonneau… - … Expo: Power for …, 2016 - asmedigitalcollection.asme.org
With the generalization of Lean Burn combustors, the flow field entering the turbine tends to
feature higher levels of swirl, turbulence, while different hot streak patterns often emerge if …

On the assessment of CFD assumptions for the preliminary design of a two-stage high-pressure turbine: Impact of unsteady effects on thermal loads

G Innocenti, M Marconcini, V Michelassi, A Ciani… - International Journal of …, 2025 - Elsevier
This paper aims to evaluate the influence of numerical assumption in a Computational Fluid
Dynamics (CFD) analysis for the preliminary design of gas turbines (GTs). In the early …

Flow field and hot streak migration through a high pressure cooled vanes with representative lean burn combustor outflow

T Bacci, T Lenzi, A Picchi… - … of Engineering for …, 2019 - asmedigitalcollection.asme.org
Modern lean burn aero-engine combustors make use of relevant swirl degrees for flame
stabilization. Moreover, important temperature distortions are generated, in tangential and …

ECAT: an engine component aerothermal facility at the University of Oxford

B Kirollos, R Lubbock, P Beard… - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
This paper describes a new engine-parts facility at the University of Oxford for high
technology-readiness-level research, new technology demonstration, and for engine …

Numerical analysis on effects of inlet pressure and temperature non-uniformities on aero-thermal performance of a HP turbine

Z Wang, D Wang, Z Liu, Z Feng - International Journal of Heat and Mass …, 2017 - Elsevier
Unsteady numerical studies were conducted on the effects of combustor exit total pressure
non-uniformity and hot streak (HS) on the aero-thermal characteristics of a high-pressure …