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Unsteady Flows in Turbomachinery
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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
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

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
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
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
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
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
Open the PDF for Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils in another window
Topics: Airfoils, Pressure, Reynolds number, Turbines, Cascades (Fluid dynamics), Unsteady flow, Boundary layers, Graphics processing units, Runge-Kutta methods, Shear (Mechanics)
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
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
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

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
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
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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
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
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
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
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
Proceedings Papers

Prediction of the Unsteady Transition Behavior in Low Pressure Turbine Flows Using Time and Frequency Domain Methods

Jan Ph. Heners, Christoph Müller-Schindewolffs, Frederik Blum, Damian M. Vogt
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A007, September 21–25, 2020
Paper No: GT2020-14257
https://doi.org/10.1115/GT2020-14257
View Paper titled, Prediction of the Unsteady Transition Behavior in Low Pressure Turbine Flows Using Time and Frequency Domain Methods
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Topics: Flow (Dynamics), Pressure, Turbines, Simulation, Boundary layers, Stators, Suction, Transients (Dynamics), Separation (Technology), Shapes
Proceedings Papers

Large Eddy Simulation of Periodic Wake Impact on Boundary Layer Transition Mechanisms on a Highly Loaded Low-Pressure Turbine Blade

Benjamin Winhart, Martin Sinkwitz, Andreas Schramm, Pascal Post, Francesca di Mare
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A013, September 21–25, 2020
Paper No: GT2020-14555
https://doi.org/10.1115/GT2020-14555
View Paper titled, Large Eddy Simulation of Periodic Wake Impact on Boundary Layer Transition Mechanisms on a Highly Loaded Low-Pressure Turbine Blade
Open the PDF for Large Eddy Simulation of Periodic Wake Impact on Boundary Layer Transition Mechanisms on a Highly Loaded Low-Pressure Turbine Blade in another window
Topics: Boundary layers, Large eddy simulation, Pressure, Turbine blades, Wakes, Blades, Bubbles, Engineering simulation, Flow (Dynamics), Generators
Proceedings Papers

Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A026, September 21–25, 2020
Paper No: GT2020-15319
https://doi.org/10.1115/GT2020-15319
View Paper titled, Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet
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Topics: Boundary layers, Pressure, Turbines, Flow (Dynamics), Blades, Inflow, Stators, Wakes, Emission spectroscopy, Sensors
Proceedings Papers

Aerodynamic Effects of an Incoming Vortex on Turbines With Different Tip Geometries

Kai Zhou, Chao Zhou
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A008, September 21–25, 2020
Paper No: GT2020-14276
https://doi.org/10.1115/GT2020-14276
View Paper titled, Aerodynamic Effects of an Incoming Vortex on Turbines With Different Tip Geometries
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Topics: Leakage, Turbines, Vortices
Proceedings Papers

Experimental Analysis of Surge-Detection System Based on Pressure Derivatives at Part-Speed Operation

Grzegorz Liskiewicz, Kirill Kabalyk, Andrzej Jaeschke, Filip Grapow, Michał Kulak, Władysław Kryłłowicz, Hua Ouyang, Xin Shen
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A033, September 21–25, 2020
Paper No: GT2020-15717
https://doi.org/10.1115/GT2020-15717
View Paper titled, Experimental Analysis of Surge-Detection System Based on Pressure Derivatives at Part-Speed Operation
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Topics: Compressors, Experimental analysis, Pressure, Safety, Surges
Proceedings Papers

Numerical Sensitivity Study on the Design of a Transonic Aeroelastic Compressor Rig

Simeng Tian, Mauricio Gutierrez Salas
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A014, September 21–25, 2020
Paper No: GT2020-14565
https://doi.org/10.1115/GT2020-14565
View Paper titled, Numerical Sensitivity Study on the Design of a Transonic Aeroelastic Compressor Rig
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Topics: Compressors, Design, Cascades (Fluid dynamics), Engineering simulation, Nozzles, Pressure, Simulation, Blades, Computation, Computational fluid dynamics
Proceedings Papers

Effect of the Foam Metal Casing Treatment on a Low-Speed Axial Compressor

Jia Li, Dakun Sun, Reize Xu, Xu Dong, Xiaofeng Sun
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A020, September 21–25, 2020
Paper No: GT2020-15149
https://doi.org/10.1115/GT2020-15149
View Paper titled, Effect of the Foam Metal Casing Treatment on a Low-Speed Axial Compressor
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Topics: Compressors, Metals
Proceedings Papers

On the Prediction of Rotating Stall in an Industrial Gas Turbine Compressor

Senthil K. Krishnababu
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A027, September 21–25, 2020
Paper No: GT2020-15330
https://doi.org/10.1115/GT2020-15330
View Paper titled, On the Prediction of Rotating Stall in an Industrial Gas Turbine Compressor
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Topics: Compressors, Industrial gases, Turbines, Computation, Guide vanes, Annulus, Control systems, Cycles, Design, Engines