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Proceedings Papers

Retracted: “Turbocharger Radial Turbine Response to Pulse Shape Under Realistic Operating Conditions” [ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition, Volume 2E: Turbomachinery, Virtual, Online, September 21–25, 2020, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-8410-2, Copyright © 2020 by ASME. Paper No. GT2020-15237, V02ET41A025; 14 pages; doi: 10.1115/GT2020-15237]

ASME
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A025, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15237
https://doi.org/10.1115/GT2020-15237
View Paper titled, Retracted: “Turbocharger Radial Turbine Response to Pulse Shape Under Realistic Operating Conditions” [ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition, Volume 2E: Turbomachinery, Virtual, Online, September 21–25, 2020, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-8410-2, Copyright © 2020 by ASME. Paper No. GT2020-15237, V02ET41A025; 14 pages; doi: 10.1115/GT2020-15237]
Open the PDF for Retracted: “Turbocharger Radial Turbine Response to Pulse Shape Under Realistic Operating Conditions” [ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition, Volume 2E: Turbomachinery, Virtual, Online, September 21–25, 2020, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-8410-2, Copyright © 2020 by ASME. Paper No. GT2020-15237, V02ET41A025; 14 pages; doi: 10.1115/GT2020-15237] in another window
Topics: International Gas Turbine Institute, Shapes, Turbines, Turbochargers, Turbomachinery
Proceedings Papers

Dynamic Mode Decomposition Analysis of Separated Boundary Layers Under Variable Reynolds Number and Free-Stream Turbulence

M. Dellacasagrande, J. Verdoya, D. Barsi, D. Lengani, D. Simoni
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A038, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16322
https://doi.org/10.1115/GT2020-16322
View Paper titled, Dynamic Mode Decomposition Analysis of Separated Boundary Layers Under Variable Reynolds Number and Free-Stream Turbulence
Open the PDF for Dynamic Mode Decomposition Analysis of Separated Boundary Layers Under Variable Reynolds Number and Free-Stream Turbulence in another window
Topics: Boundary layers, Reynolds number, Turbulence, Wavelength, Fluctuations (Physics), Shear (Mechanics), Vortices, Accounting, Control systems, Density
Proceedings Papers

Loss Predictions in the High-Pressure Film-Cooled Turbine Vane of the FACTOR Project by Mean of Wall-Modeled Large Eddy Simulation

Mael Harnieh, Nicolas Odier, Jérôme Dombard, Florent Duchaine, Laurent Gicquel
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14232
https://doi.org/10.1115/GT2020-14232
View Paper titled, Loss Predictions in the High-Pressure Film-Cooled Turbine Vane of the FACTOR Project by Mean of Wall-Modeled Large Eddy Simulation
Open the PDF for Loss Predictions in the High-Pressure Film-Cooled Turbine Vane of the FACTOR Project by Mean of Wall-Modeled Large Eddy Simulation in another window
Topics: High pressure (Physics), Large eddy simulation, Turbines, Coolants, Flow (Dynamics), Engines, Film cooling, Pressure, Wakes, Boundary-value problems
Proceedings Papers

Reduced-Order Modelling of Rotating Stall

Dominik Schlüter, Robert P. Grewe, Fabian Wartzek, Alexander Liefke, Jan Werner, Christian Kunkel, Volker Gümmer
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14459
https://doi.org/10.1115/GT2020-14459
View Paper titled, Reduced-Order Modelling of Rotating Stall
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Topics: Clocks, Compressors, Computation, Computational fluid dynamics, Computer simulation, Errors, Flow (Dynamics), Modeling, Pressure, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High Speed Turbine

Bogdan Cernat, Sergio Lavagnoli
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A022, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15159
https://doi.org/10.1115/GT2020-15159
View Paper titled, Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High Speed Turbine
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Topics: Aerodynamics, Design, Heat transfer, Turbines, Rotors, Engines, Flow (Dynamics), Blades, Wall temperature, Boundary-value problems
Proceedings Papers

Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines

Kristina Ðurović, Luca De Vincentiis, Daniele Simoni, Davide Lengani, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A036, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15808
https://doi.org/10.1115/GT2020-15808
View Paper titled, Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines
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Topics: Boundary layers, Pressure, Turbines, Turbulence, Blades, Flow (Dynamics), Suction, Boundary-value problems, Bubbles, Cascades (Fluid dynamics)
Proceedings Papers

Reynolds Stress Field and Turbulent Kinetic Energy Budget in a Repeating Compressor Stage

Ahmad Nawab, Feng Wang, Luca di Mare, John J. Adamczyk
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14804
https://doi.org/10.1115/GT2020-14804
View Paper titled, Reynolds Stress Field and Turbulent Kinetic Energy Budget in a Repeating Compressor Stage
Open the PDF for Reynolds Stress Field and Turbulent Kinetic Energy Budget in a Repeating Compressor Stage in another window
Topics: Compressors, Kinetic energy, Stress, Turbulence, Flow (Dynamics), Simulation, Computation, Pressure gradient, Reynolds-averaged Navier–Stokes equations, Chords (Trusses)
Proceedings Papers

Experimental Study of Vaneless Diffuser Rotating Stall Development and Cell Merging Phenomena

Filip Grapow, Krzysztof Olasek, Grzegorz Liśkiewicz, Radomir Magiera, Władysław Kryłłowicz
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A030, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15602
https://doi.org/10.1115/GT2020-15602
View Paper titled, Experimental Study of Vaneless Diffuser Rotating Stall Development and Cell Merging Phenomena
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Topics: Compressors, Vaneless diffusers
Proceedings Papers

Periodic Unsteadiness of Tip Clearance Vortex in an Axial Compressor Rotor

Fan Yang, Yanhui Wu, Ziyun Zhang, Zhenyang Wang
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A023, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15167
https://doi.org/10.1115/GT2020-15167
View Paper titled, Periodic Unsteadiness of Tip Clearance Vortex in an Axial Compressor Rotor
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Topics: Clearances (Engineering), Compressors, Leakage, Rotors, Vortices
Proceedings Papers

On High-Resolution Pressure Amplitude and Phase Measurements Comparing Fast-Response Pressure Transducers and Unsteady Pressure-Sensitive Paint

Martin Bitter, Stephan Stotz, Reinhard Niehuis
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A037, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16194
https://doi.org/10.1115/GT2020-16194
View Paper titled, On High-Resolution Pressure Amplitude and Phase Measurements Comparing Fast-Response Pressure Transducers and Unsteady Pressure-Sensitive Paint
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Topics: Paints, Pressure, Pressure transducers, Resolution (Optics), Cascades (Fluid dynamics), Flow (Dynamics), Wakes, Blades, Dynamics (Mechanics), Engines
Proceedings Papers

Dynamic Model Based Identification of Cavitation Compliance and Mass Flow Gain Factor in Rocket Engine Turbopump Inducers

Y. Wan, M. Manfredi, A. Pasini, Z. Spakovszky
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A031, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15655
https://doi.org/10.1115/GT2020-15655
View Paper titled, Dynamic Model Based Identification of Cavitation Compliance and Mass Flow Gain Factor in Rocket Engine Turbopump Inducers
Open the PDF for Dynamic Model Based Identification of Cavitation Compliance and Mass Flow Gain Factor in Rocket Engine Turbopump Inducers in another window
Topics: Cavitation, Dynamic models, Flow (Dynamics), Rocket engines
Proceedings Papers

Large Eddy Simulation of Wake-Shear Layer Interactions Over a Multi-Element Aerofoil

Souvik Naskar, S. Sarkar
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14115
https://doi.org/10.1115/GT2020-14115
View Paper titled, Large Eddy Simulation of Wake-Shear Layer Interactions Over a Multi-Element Aerofoil
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Topics: Airfoils, Large eddy simulation, Shear (Mechanics), Wakes
Proceedings Papers

Large-Eddy Simulation of the Variable Speed Power Turbine Cascade With Inflow Turbulence

Kenji Miki, Ali Ameri
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14140
https://doi.org/10.1115/GT2020-14140
View Paper titled, Large-Eddy Simulation of the Variable Speed Power Turbine Cascade With Inflow Turbulence
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Topics: Cascades (Fluid dynamics), Inflow, Large eddy simulation, Separation (Technology), Turbines, Turbulence
Proceedings Papers

Loss Predictions in the High-Pressure Film-Cooled Turbine Blade Cascade T120D by Mean of Wall-Resolved Large Eddy Simulation

Mael Harnieh, Nicolas Odier, Jérôme Dombard, Florent Duchaine, Laurent Gicquel
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14231
https://doi.org/10.1115/GT2020-14231
View Paper titled, Loss Predictions in the High-Pressure Film-Cooled Turbine Blade Cascade T120D by Mean of Wall-Resolved Large Eddy Simulation
Open the PDF for Loss Predictions in the High-Pressure Film-Cooled Turbine Blade Cascade T120D by Mean of Wall-Resolved Large Eddy Simulation in another window
Topics: Cascades (Fluid dynamics), High pressure (Physics), Large eddy simulation, Turbine blades, Coolants, Flow (Dynamics), Blades, Film cooling, Aerodynamics, Combustion chambers
Proceedings Papers

Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils

Marc Bolinches-Gisbert, David Cadrecha, Roque Corral, Fernando Gisbert
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14224
https://doi.org/10.1115/GT2020-14224
View Paper titled, Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils
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Topics: Airfoils, Pressure, Reynolds number, Turbines, Cascades (Fluid dynamics), Unsteady flow, Boundary layers, Graphics processing units, Runge-Kutta methods, Shear (Mechanics)
Proceedings Papers

Unsteady Flow Simulation Through Stator-Rotor Blade Rows in Intermediate-Pressure Steam Turbines With Cutback Blades

Hironori Miyazawa, Akihiro Uemura, Takashi Furusawa, Satoru Yamamoto, Koichi Yonezawa, Shuichi Umezawa, Shuichi Ohmori, Takeshi Suzuki
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A018, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14937
https://doi.org/10.1115/GT2020-14937
View Paper titled, Unsteady Flow Simulation Through Stator-Rotor Blade Rows in Intermediate-Pressure Steam Turbines With Cutback Blades
Open the PDF for Unsteady Flow Simulation Through Stator-Rotor Blade Rows in Intermediate-Pressure Steam Turbines With Cutback Blades in another window
Topics: Blades, Pressure, Rotors, Simulation, Stators, Steam turbines, Unsteady flow, Maintenance, Flow (Dynamics), Fracture (Process)
Proceedings Papers

Compressor Stall Warning Using Nonlinear Feature Extraction Algorithms

Fangyuan Lou, Nicole L. Key
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A006, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14247
https://doi.org/10.1115/GT2020-14247
View Paper titled, Compressor Stall Warning Using Nonlinear Feature Extraction Algorithms
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Topics: Algorithms, Compressors, Entropy, Feature extraction, Surges
Proceedings Papers

Cyclostationary Approach for Instabilities Detection and Condition Monitoring of Centrifugal Compressor

Mateusz Stajuda, David Garcia Cava, Grzegorz Liśkiewicz
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A032, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15699
https://doi.org/10.1115/GT2020-15699
View Paper titled, Cyclostationary Approach for Instabilities Detection and Condition Monitoring of Centrifugal Compressor
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Topics: Compressors, Condition monitoring
Proceedings Papers

Impact of Multi-Row Aerodynamic Interaction on the Forced Response Behaviour of an Embedded Compressor Rotor

Shreyas Hegde, Robert Kielb, Laith Zori, Rubens Campregher
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14482
https://doi.org/10.1115/GT2020-14482
View Paper titled, Impact of Multi-Row Aerodynamic Interaction on the Forced Response Behaviour of an Embedded Compressor Rotor
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Topics: Compressors, Rotors
Proceedings Papers

Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A019, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15148
https://doi.org/10.1115/GT2020-15148
View Paper titled, Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers
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Topics: Boundary layers, Flow (Dynamics), Eigenvalues, Turbulence, Pressure gradient, Shear (Mechanics), Stress tensors, Bubbles, Displacement, Energy dissipation