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Journal Articles

Correlated Pressure–Velocity Instability in a Transonic High-Pressure Turbine Blade

Matteo Dellacasagrande, Davide Lengani, Ettore Bertolini, Wolfgang Sanz
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041015.
Paper No: TURBO-22-1281
DOI: https://doi.org/10.1115/1.4055971
Published Online: November 7, 2022
View Article titled, Correlated Pressure–Velocity Instability in a Transonic High-Pressure Turbine Blade
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Topics: Boundary layers, Pressure, Fluctuations (Physics), Blades, Flow (Dynamics), Large eddy simulation, Suction, Turbulence, Principal component analysis
Proceedings Papers

Correlated Pressure-Velocity Instability in a Transonic High-Pressure Turbine Blade

Matteo Dellacasagrande, Davide Lengani, Ettore Bertolini, Wolfgang Sanz
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A020, June 13–17, 2022
Paper No: GT2022-82205
DOI: https://doi.org/10.1115/GT2022-82205
View Paper titled, Correlated Pressure-Velocity Instability in a Transonic High-Pressure Turbine Blade
Click here to open pdf in another window PDF for Correlated Pressure-Velocity Instability in a Transonic High-Pressure Turbine Blade
Topics: High pressure (Physics), Pressure, Turbine blades, Boundary layers, Waves, Blades, Fluctuations (Physics), Suction, Large eddy simulation, Principal component analysis
Proceedings Papers

Large Eddy Simulation of a Transonic Linear Cascade With Synthetic Inlet Turbulence

Ettore Bertolini, Paul Pieringer, Wolfgang Sanz
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A007, September 21–25, 2020
Paper No: GT2020-14461
DOI: https://doi.org/10.1115/GT2020-14461
View Paper titled, Large Eddy Simulation of a Transonic Linear Cascade With Synthetic Inlet Turbulence
Click here to open pdf in another window PDF for Large Eddy Simulation of a Transonic Linear Cascade With Synthetic Inlet Turbulence
Topics: Cascades (Fluid dynamics), Large eddy simulation, Turbulence, Blades, Boundary layers, Engineering simulation, Flow (Dynamics), Heat transfer, Inflow, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Influence of Purge Temperature Variation on the Performance of Turbine Center Frames

Patrick Jagerhofer, Andreas Peters, Emil Göttlich, Wolfgang Sanz, Federica Farisco
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A008, September 21–25, 2020
Paper No: GT2020-14502
DOI: https://doi.org/10.1115/GT2020-14502
View Paper titled, Influence of Purge Temperature Variation on the Performance of Turbine Center Frames
Click here to open pdf in another window PDF for Influence of Purge Temperature Variation on the Performance of Turbine Center Frames
Topics: Temperature, Turbines, Flow (Dynamics), Engines, Ducts, Computational fluid dynamics, Cooling, Pressure, Simulation, Turbine components
Proceedings Papers

Prediction of Separated Flow Transition Using LES and Transitional RANS Model

Ettore Bertolini, Paul Pieringer, Wolfgang Sanz
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A007, June 17–21, 2019
Paper No: GT2019-90214
DOI: https://doi.org/10.1115/GT2019-90214
View Paper titled, Prediction of Separated Flow Transition Using LES and Transitional RANS Model
Click here to open pdf in another window PDF for Prediction of Separated Flow Transition Using LES and Transitional RANS Model
Topics: Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Boundary layers, Engineering simulation, Simulation, Blades, Separation (Technology), Bubbles, Cascades (Fluid dynamics), Suction
Proceedings Papers

Steady CFD Simulation of a High Pressure Turbine Rotor With Hub and Shroud Purge Flow

Wolfgang Sanz, Stefan Zerobin, Manfred Egger, Pascal Bader, Paul Pieringer, Emil Göttlich, Franz Heitmeir
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A010, June 11–15, 2018
Paper No: GT2018-75642
DOI: https://doi.org/10.1115/GT2018-75642
View Paper titled, Steady CFD Simulation of a High Pressure Turbine Rotor With Hub and Shroud Purge Flow
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Topics: Computational fluid dynamics, Flow (Dynamics), High pressure (Physics), Rotors, Simulation, Turbines, Vortices, Leakage, Vorticity, Boundary layers
Journal Articles

Experimental Investigation of Boundary Layer Relaminarization in Accelerated Flow

Pascal Bader, Manuel Pschernig, Wolfgang Sanz, Jakob Woisetschläger, Franz Heitmeir, Walter Meile, Günter Brenn
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081201.
Paper No: FE-17-1386
DOI: https://doi.org/10.1115/1.4039257
Published Online: March 29, 2018
View Article titled, Experimental Investigation of Boundary Layer Relaminarization in Accelerated Flow
Click here to open pdf in another window PDF for Experimental Investigation of Boundary Layer Relaminarization in Accelerated Flow
Topics: Boundary layers, Flow (Dynamics), Turbulence, Fluctuations (Physics), Skin friction (Fluid dynamics)
Proceedings Papers

On Boundary Layer Relaminarization in an Highly Accelerated High Pressure Turbine Stator Flow

Pascal Bader, Wolfgang Sanz
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT41A009, June 26–30, 2017
Paper No: GT2017-63296
DOI: https://doi.org/10.1115/GT2017-63296
View Paper titled, On Boundary Layer Relaminarization in an Highly Accelerated High Pressure Turbine Stator Flow
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Topics: Boundary layers, Flow (Dynamics), High pressure (Physics), Stators, Turbines, Turbulence, Blades, Friction, Machinery, Simulation
Proceedings Papers

Flat-Plate Boundary Layers in Accelerated Flow

Pascal Bader, Manuel Pschernig, Wolfgang Sanz, Jakob Woisetschläger, Franz Heitmeir, Walter Meile, Günter Brenn
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A003, June 13–17, 2016
Paper No: GT2016-56044
DOI: https://doi.org/10.1115/GT2016-56044
View Paper titled, Flat-Plate Boundary Layers in Accelerated Flow
Click here to open pdf in another window PDF for Flat-Plate Boundary Layers in Accelerated Flow
Topics: Boundary layers, Flat plates, Flow (Dynamics), Turbulence, Skin friction (Fluid dynamics), Geometry, Heat transfer, Lasers, Performance, Probes
Proceedings Papers

Adapting the Zero-Emission Graz Cycle for Hydrogen Combustion and Investigation of Its Part Load Behaviour

Wolfgang Sanz, Martin Braun, Herbert Jericha, Max F. Platzer
Proc. ASME. GT2016, Volume 3: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A020, June 13–17, 2016
Paper No: GT2016-57988
DOI: https://doi.org/10.1115/GT2016-57988
View Paper titled, Adapting the Zero-Emission Graz Cycle for Hydrogen Combustion and Investigation of Its Part Load Behaviour
Click here to open pdf in another window PDF for Adapting the Zero-Emission Graz Cycle for Hydrogen Combustion and Investigation of Its Part Load Behaviour
Topics: Combustion, Cycles, Emissions, Hydrogen, Stress, Oxygen, Fluids, Fuels, Power stations, Electrolysis
Proceedings Papers

Detecting Transition in Flat Plate Flow With Laser Interferometric Vibrometry (LIV)

Pascal Bader, Wolfgang Sanz, Johannes Peterleithner, Jakob Woisetschläger, Franz Heitmeir, Walter Meile, Günter Brenn
Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A003, June 13–17, 2016
Paper No: GT2016-56043
DOI: https://doi.org/10.1115/GT2016-56043
View Paper titled, Detecting Transition in Flat Plate Flow With Laser Interferometric Vibrometry (LIV)
Click here to open pdf in another window PDF for Detecting Transition in Flat Plate Flow With Laser Interferometric Vibrometry (LIV)
Topics: Flat plates, Flow (Dynamics), Lasers, Turbulence, Boundary layers, Engineering simulation, Fluids, Heat transfer, Laminar flow, Probes
Proceedings Papers

Measured Heat Transfer in a Transonic Fan Rig at Casing With Implications on Performance

Mark G. Turner, Ahmed Nemnem, Anthony J. Gannon, Garth V. Hobson, Wolfgang Sanz
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT37A039, June 15–19, 2015
Paper No: GT2015-43482
DOI: https://doi.org/10.1115/GT2015-43482
View Paper titled, Measured Heat Transfer in a Transonic Fan Rig at Casing With Implications on Performance
Click here to open pdf in another window PDF for Measured Heat Transfer in a Transonic Fan Rig at Casing With Implications on Performance
Topics: Heat transfer, Rotors, Pressure, Temperature, Boundary-value problems, Compressors, Computational fluid dynamics, Exterior walls, Heat, Heat transfer coefficients
Proceedings Papers

Steady and Unsteady CFD Calculation of the Laminar-to-Turbulent Transition in a Turning Mid Turbine Frame With Embedded Design

Pascal Bader, Wolfgang Sanz
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A013, June 15–19, 2015
Paper No: GT2015-42617
DOI: https://doi.org/10.1115/GT2015-42617
View Paper titled, Steady and Unsteady CFD Calculation of the Laminar-to-Turbulent Transition in a Turning Mid Turbine Frame With Embedded Design
Click here to open pdf in another window PDF for Steady and Unsteady CFD Calculation of the Laminar-to-Turbulent Transition in a Turning Mid Turbine Frame With Embedded Design
Topics: Computational fluid dynamics, Design, Turbines, Turbulence, Turning, Ducts, Flow (Dynamics), Pressure, Rotors, Boundary layers
Proceedings Papers

Performance of a Splittered Transonic Rotor With Several Tip Clearances

Anthony J. Gannon, Garth V. Hobson, Mark G. Turner, Wolfgang Sanz
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT37A040, June 15–19, 2015
Paper No: GT2015-43799
DOI: https://doi.org/10.1115/GT2015-43799
View Paper titled, Performance of a Splittered Transonic Rotor With Several Tip Clearances
Click here to open pdf in another window PDF for Performance of a Splittered Transonic Rotor With Several Tip Clearances
Topics: Rotors, Pressure, Blades, Flow (Dynamics), Geometry, Cavities, Clearances (Engineering), Compressors, Fans, Gas turbines
Proceedings Papers

A Quasi-First Order Optimization Method and its Demonstration on the Optimization of a U-Bend

M. Bugra Akin, Wolfgang Sanz
Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A020, June 15–19, 2015
Paper No: GT2015-42640
DOI: https://doi.org/10.1115/GT2015-42640
View Paper titled, A Quasi-First Order Optimization Method and its Demonstration on the Optimization of a U-Bend
Click here to open pdf in another window PDF for A Quasi-First Order Optimization Method and its Demonstration on the Optimization of a U-Bend
Topics: Optimization, Computational fluid dynamics, Finite difference methods, Engineering simulation, Shape optimization, Simulation
Proceedings Papers

On the Navier-Stokes Calculation of Separation Bubbles With a New Transition Model

Wolfgang Sanz, Max F. Platzer
Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A122, June 10–13, 1996
Paper No: 96-GT-487
DOI: https://doi.org/10.1115/96-GT-487
View Paper titled, On the Navier-Stokes Calculation of Separation Bubbles With a New Transition Model
Click here to open pdf in another window PDF for On the Navier-Stokes Calculation of Separation Bubbles With a New Transition Model
Topics: Bubbles, Separation (Technology), Airfoils, Blades, Boundary layers, Cascades (Fluid dynamics), Compressors, Turbomachinery, Turbulence
Proceedings Papers

On the Calculation of Laminar Separation Bubbles Using Different Transition Models

Wolfgang Sanz, Max F. Platzer
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A079, June 2–5, 1997
Paper No: 97-GT-453
DOI: https://doi.org/10.1115/97-GT-453
View Paper titled, On the Calculation of Laminar Separation Bubbles Using Different Transition Models
Click here to open pdf in another window PDF for On the Calculation of Laminar Separation Bubbles Using Different Transition Models
Topics: Bubbles, Separation (Technology), Blades, Cascades (Fluid dynamics), Diffusion (Physics), Turbomachinery, Turbulence
Proceedings Papers

Computation of Multi-Passage Cascade Flows With Overset and Deforming Grids

Ismail H. Tuncer, Wolfgang Sanz
Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T14A009, June 2–5, 1997
Paper No: 97-GT-021
DOI: https://doi.org/10.1115/97-GT-021
View Paper titled, Computation of Multi-Passage Cascade Flows With Overset and Deforming Grids
Click here to open pdf in another window PDF for Computation of Multi-Passage Cascade Flows With Overset and Deforming Grids
Topics: Cascades (Fluid dynamics), Computation, Flow (Dynamics), Algorithms, Blades, Compressors
Proceedings Papers

Investigation of Periodic Boundary Conditions in Multi-Passage Cascade Flows Using Overset Grids

Ismail H. Tuncer, Stefan Weber, Wolfgang Sanz
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A004, June 2–5, 1998
Paper No: 98-GT-011
DOI: https://doi.org/10.1115/98-GT-011
View Paper titled, Investigation of Periodic Boundary Conditions in Multi-Passage Cascade Flows Using Overset Grids
Click here to open pdf in another window PDF for Investigation of Periodic Boundary Conditions in Multi-Passage Cascade Flows Using Overset Grids
Topics: Boundary-value problems, Cascades (Fluid dynamics), Flow (Dynamics), Blades, Algorithms, Compressors, Errors, Transonic flow, Turbines
Proceedings Papers

Numerical Calculation of Three-Dimensional Euler Flow Through a Transonic Test Turbine Stage

Harald Paßrucker, Wolfgang Sanz, Herbert Jericha
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A103, June 2–5, 1998
Paper No: 98-GT-428
DOI: https://doi.org/10.1115/98-GT-428
View Paper titled, Numerical Calculation of Three-Dimensional Euler Flow Through a Transonic Test Turbine Stage
Click here to open pdf in another window PDF for Numerical Calculation of Three-Dimensional Euler Flow Through a Transonic Test Turbine Stage
Topics: Flow (Dynamics), Turbines, Blades, Boundary-value problems, Design, Turbomachinery, Fourier analysis, Geometry, Inflow, Machine dynamics