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Proceedings Papers

Erratum: “Analysis of the Performance of Plasma Actuators Under Low-Pressure Turbine Conditions Based on Experiments and URANS Simulations” [ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, Volume 2A: Turbomachinery, Charlotte, North Carolina, USA, June 26–30, 2017, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-5078-7, Copyright © 2017 by ASME. Paper No. GT2017-64867, V02AT40A034; 15 pages; doi: 10.1115/GT2017-64867]

D. S. Martínez, E. Pescini, F. Marra, M. G. De Giorgi, A. Ficarella
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT40A034e, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64867e
https://doi.org/10.1115/GT2017-64867e
View Paper titled, Erratum: “Analysis of the Performance of Plasma Actuators Under Low-Pressure Turbine Conditions Based on Experiments and URANS Simulations” [ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, Volume 2A: Turbomachinery, Charlotte, North Carolina, USA, June 26–30, 2017, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-5078-7, Copyright © 2017 by ASME. Paper No. GT2017-64867, V02AT40A034; 15 pages; doi: 10.1115/GT2017-64867]
Open the PDF for Erratum: “Analysis of the Performance of Plasma Actuators Under Low-Pressure Turbine Conditions Based on Experiments and URANS Simulations” [ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, Volume 2A: Turbomachinery, Charlotte, North Carolina, USA, June 26–30, 2017, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-5078-7, Copyright © 2017 by ASME. Paper No. GT2017-64867, V02AT40A034; 15 pages; doi: 10.1115/GT2017-64867] in another window
Topics: Actuators, Engineering simulation, International Gas Turbine Institute, Plasmas (Ionized gases), Pressure, Simulation, Turbines, Turbochargers, Turbomachinery, Errors
Proceedings Papers

The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade

Tobias Schubert, Silvio Chemnitz, Reinhard Niehuis
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14242
https://doi.org/10.1115/GT2020-14242
View Paper titled, The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade
Open the PDF for The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade in another window
Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Turbines, Wakes, Design, Inflow, Blades, Flat plates
Proceedings Papers

Aerodynamic Performance Investigation of Turbine in the Event of One Blade Primary Fracture Failure

Shenghui Zhang, Shuiting Ding, Tian Qiu
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15152
https://doi.org/10.1115/GT2020-15152
View Paper titled, Aerodynamic Performance Investigation of Turbine in the Event of One Blade Primary Fracture Failure
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Topics: Blades, Failure, Fracture (Materials), Fracture (Process), Safety, Turbine blades, Turbines
Proceedings Papers

A CFD-Based Prediction Method for Tip Clearance Losses and Deviations in Axial Turbines

Clemens Buske
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14645
https://doi.org/10.1115/GT2020-14645
View Paper titled, A CFD-Based Prediction Method for Tip Clearance Losses and Deviations in Axial Turbines
Open the PDF for A CFD-Based Prediction Method for Tip Clearance Losses and Deviations in Axial Turbines in another window
Topics: Clearances (Engineering), Computational fluid dynamics, Turbines, Flow (Dynamics), Blades, Engineering simulation, Rotors, Simulation, Boundary layers, Geometry
Proceedings Papers

A New Multi-Stage Turbine Stator Design for Improved Performance Retention

Heather K. Jameson, John P. Longley
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A006, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14407
https://doi.org/10.1115/GT2020-14407
View Paper titled, A New Multi-Stage Turbine Stator Design for Improved Performance Retention
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Topics: Design, Stators, Turbines, Vortices, Rotors, Cavities, Flow (Dynamics), Leakage, Leakage flows, Separation (Technology)
Proceedings Papers

Axisymmetric Tip Gap Profiling in a Shroudless Axial Turbine

M. Abda, M. G. Rose
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14301
https://doi.org/10.1115/GT2020-14301
View Paper titled, Axisymmetric Tip Gap Profiling in a Shroudless Axial Turbine
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Topics: Turbines, Flow (Dynamics), Leakage, Blades, Design, Leakage flows, Pressure, Rotors, Vortices, Bubbles
Proceedings Papers

Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15258
https://doi.org/10.1115/GT2020-15258
View Paper titled, Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage
Open the PDF for Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage in another window
Topics: Turbines, Flow (Dynamics), Blades, Cascades (Fluid dynamics), Design, Shapes, Corners (Structural elements), Jets, Particulate matter, Pressure
Proceedings Papers

Unsteady Steam Turbine Optimization Using High Fidelity CFD

Vahid Iranidokht, Ilias Papagiannis, Anestis Kalfas, Reza Abhari, Shigeki Senoo, Kazuhiro Momma
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14674
https://doi.org/10.1115/GT2020-14674
View Paper titled, Unsteady Steam Turbine Optimization Using High Fidelity CFD
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Topics: Computational fluid dynamics, Optimization, Steam turbines
Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Vane Subject to Large Disturbances: Effect of Exit Mach Number on Losses

Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14445
https://doi.org/10.1115/GT2020-14445
View Paper titled, High-Fidelity Simulations of a High-Pressure Turbine Vane Subject to Large Disturbances: Effect of Exit Mach Number on Losses
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Topics: Engineering simulation, High pressure (Physics), Mach number, Simulation, Turbines, Blades, Turbulence, Boundary layers, Flow (Dynamics), Shock (Mechanics)
Proceedings Papers

Volumetric Velocimetry Measurements of Purge-Mainstream Interaction in a 1-Stage Turbine

A. J. Carvalho Figueiredo, B. D. J. Schreiner, A. W. Mesny, O. J. Pountney, J. A. Scobie, Y. S. Li, D. J. Cleaver, C. M. Sangan
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14307
https://doi.org/10.1115/GT2020-14307
View Paper titled, Volumetric Velocimetry Measurements of Purge-Mainstream Interaction in a 1-Stage Turbine
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Topics: Turbines, Flow (Dynamics), Blades, Computational fluid dynamics, Vortices, Compressors, Computation, Convection, Cooling, Disks
Proceedings Papers

Hybrid RANS/LES Simulation of Combustor/Turbine Interactions

Guoping Xia, Georgi Kalitzin, Jin Lee, Gorazd Medic, Om Sharma
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14873
https://doi.org/10.1115/GT2020-14873
View Paper titled, Hybrid RANS/LES Simulation of Combustor/Turbine Interactions
Open the PDF for Hybrid RANS/LES Simulation of Combustor/Turbine Interactions in another window
Topics: Combustion chambers, Reynolds-averaged Navier–Stokes equations, Simulation, Turbines, Flow (Dynamics), High pressure (Physics), Temperature profiles, Blades, Computational fluid dynamics, Design
Proceedings Papers

Reynolds and Mach Number Effects on the Flow in a Low-Pressure Turbine

Maxime Fiore
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14325
https://doi.org/10.1115/GT2020-14325
View Paper titled, Reynolds and Mach Number Effects on the Flow in a Low-Pressure Turbine
Open the PDF for Reynolds and Mach Number Effects on the Flow in a Low-Pressure Turbine in another window
Topics: Flow (Dynamics), Mach number, Pressure, Turbines, Blades, Boundary layers, Gas turbines, Kinetic energy, Nozzle guide vanes, Reynolds number
Proceedings Papers

Secondary Flow Response to Endwall Jets in a Low Pressure Turbine

Nathan Fletcher, Christopher R. Marks, Molly H. Donovan
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A018, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15284
https://doi.org/10.1115/GT2020-15284
View Paper titled, Secondary Flow Response to Endwall Jets in a Low Pressure Turbine
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Topics: Flow (Dynamics), Jets, Pressure, Turbines, Vortices, Blades, Cascades (Fluid dynamics), Design, Dynamics (Mechanics), Excitation
Proceedings Papers

Experimental and Numerical Study of Laminar-Turbulent Transition on a Low-Pressure Turbine Outlet Guide Vane

Isak Jonsson, Srikanth Deshpande, Valery Chernoray, Oskar Thulin, Jonas Larsson
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A014, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14990
https://doi.org/10.1115/GT2020-14990
View Paper titled, Experimental and Numerical Study of Laminar-Turbulent Transition on a Low-Pressure Turbine Outlet Guide Vane
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Topics: Computational fluid dynamics, Flow (Dynamics), Guide vanes, Pressure, Thermography, Turbines, Turbulence
Proceedings Papers

Dynamics of Shock Waves Interacting With Laminar Separated Transonic Turbine Flow Investigated by High-Speed Schlieren and Surface Hot-Film Sensors

Marcel Börner, Reinhard Niehuis
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14386
https://doi.org/10.1115/GT2020-14386
View Paper titled, Dynamics of Shock Waves Interacting With Laminar Separated Transonic Turbine Flow Investigated by High-Speed Schlieren and Surface Hot-Film Sensors
Open the PDF for Dynamics of Shock Waves Interacting With Laminar Separated Transonic Turbine Flow Investigated by High-Speed Schlieren and Surface Hot-Film Sensors in another window
Topics: Dynamics (Mechanics), Flow (Dynamics), Sensors, Shock waves, Turbines, Bubbles, Separation (Technology), Boundary layers, Mach number, Suction
Proceedings Papers

Optimization of Supersonic Axial Turbine Blades Based on Surrogate Models

Markus Waesker, Bjoern Buelten, Norman Kienzle, Christian Doetsch
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A008, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14465
https://doi.org/10.1115/GT2020-14465
View Paper titled, Optimization of Supersonic Axial Turbine Blades Based on Surrogate Models
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Topics: Impulse (Physics), Optimization, Turbine blades, Turbines
Proceedings Papers

Effect of Jets in Crossflow in Deposition Mitigation on Full 3D NGV With Endwall Features

Stefano Oliani, Nicola Casari, Michele Pinelli, Alessio Suman, Mauro Carnevale
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A021, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15367
https://doi.org/10.1115/GT2020-15367
View Paper titled, Effect of Jets in Crossflow in Deposition Mitigation on Full 3D NGV With Endwall Features
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Topics: Jets, Nozzle guide vanes, Particulate matter, Aerodynamics, Aircraft, Flow (Dynamics), Airfoils, Cascades (Fluid dynamics), Compressors, Computational fluid dynamics
Proceedings Papers

Effects of Casing Relative Motion on Aerodynamic Performance With Modified Designs of Winglet and Squealer Tip

Anmol Garg, Sachin Singh Rawat, B. V. S. S. S. Prasad
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A015, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15003
https://doi.org/10.1115/GT2020-15003
View Paper titled, Effects of Casing Relative Motion on Aerodynamic Performance With Modified Designs of Winglet and Squealer Tip
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Topics: Blades, Cavities, Design, Flow (Dynamics), Geometry, Heat transfer, High pressure (Physics), Leakage, Leakage flows, Momentum
Proceedings Papers

Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine Realistic Flow Conditions

Valentin Vikhorev, Valery Chernoray, Oskar Thulin, Srikanth Deshpande, Jonas Larsson
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15734
https://doi.org/10.1115/GT2020-15734
View Paper titled, Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine Realistic Flow Conditions
Open the PDF for Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine Realistic Flow Conditions in another window
Topics: Engines, Flow (Dynamics), Guide vanes, Pressure, Turbines
Proceedings Papers

Contribution of Tip Shroud Cavity to Loss Generation in the Main Flow of a Low Pressure Turbine Using Steady and Unsteady Numerical Approach

Maxime Perini, Nicolas Binder, Yannick Bousquet, Eric Schwartz
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A022, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15422
https://doi.org/10.1115/GT2020-15422
View Paper titled, Contribution of Tip Shroud Cavity to Loss Generation in the Main Flow of a Low Pressure Turbine Using Steady and Unsteady Numerical Approach
Open the PDF for Contribution of Tip Shroud Cavity to Loss Generation in the Main Flow of a Low Pressure Turbine Using Steady and Unsteady Numerical Approach in another window
Topics: Cavities, Flow (Dynamics), Pressure, Turbines, Simulation, Cavity flows, Computation, Entropy, Optimization, Rotors