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Keywords: linear cascade
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Journal Articles

Unsteadiness in the Secondary Flows of a High-Speed Low-Pressure Turbine Cascade With Unsteady Wakes and Purge Flow

Gustavo Lopes, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091017.
Paper No: TURBO-24-1152
https://doi.org/10.1115/1.4067674
Published Online: February 17, 2025
...Gustavo Lopes; Sergio Lavagnoli This work investigates the unsteady interactions between incoming wakes and purge flow in a high-speed low-pressure turbine cascade tested under engine-representative conditions. Experiments were conducted in a linear cascade at outlet Mach and Reynolds numbers...
View Article titled, Unsteadiness in the Secondary Flows of a High-Speed Low-Pressure Turbine Cascade With Unsteady Wakes and Purge Flow
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Wakes, Turbulence, Fluctuations (Physics), Cavities
Journal Articles

On the Application of Background Oriented Schlieren to a Transonic Low-Reynolds Turbine Cascade

Alexandre Halby, Bora O. Cakir, Lorenzo Da Valle, Gustavo Lopes, Mizuki Okada, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051016.
Paper No: TURBO-24-1206
https://doi.org/10.1115/1.4067292
Published Online: December 20, 2024
... Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 30 07 2024 20 11 2024 20 11 2024 20 12 2024 Graphical Abstract Figure BOS Schlieren technique high-speed low-pressure-turbine linear cascade cross-correlation optical-flow...
View Article titled, On the Application of Background Oriented Schlieren to a Transonic Low-Reynolds Turbine Cascade
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Topics: Algorithms, Blades, Cascades (Fluid dynamics), Density, Displacement, Flow (Dynamics), Shock (Mechanics), Shock waves, Turbines, Pressure
Journal Articles

Particle Image Velocimetry Measurements in a High-Speed Low-Reynolds Low-Pressure Turbine Cascade

Mizuki Okada, Loris Simonassi, Gustavo Lopes, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031010.
Paper No: TURBO-23-1178
https://doi.org/10.1115/1.4063674
Published Online: December 14, 2023
...-pressure turbine linear cascade secondary flows transonic low-Reynolds number measurement techniques turbine blade and measurement advancements Cleansky 10.13039/501100000922 820883 The ultra-high by-pass geared turbofan (GTF) is a key-enabler engine architecture to comply...
View Article titled, Particle Image Velocimetry Measurements in a High-Speed Low-Reynolds Low-Pressure Turbine Cascade
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Mach number, Particulate matter, Pressure, Turbulence, Reynolds-averaged Navier–Stokes equations, Turbines, Wakes