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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

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

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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

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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

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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

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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

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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

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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

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

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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

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Topics: Boundary layers, Flow (Dynamics), High pressure (Physics), Stators, Turbines, Turbulence, Blades, Friction, Machinery, Simulation

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

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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

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Topics: Flat plates, Flow (Dynamics), Lasers, Turbulence, Boundary layers, Engineering simulation, Fluids, Heat transfer, Laminar flow, Probes

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

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Topics: Boundary layers, Flat plates, Flow (Dynamics), Turbulence, Skin friction (Fluid dynamics), Geometry, Heat transfer, Lasers, Performance, 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

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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

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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

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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

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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

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Topics: Bubbles, Separation (Technology), Airfoils, Blades, Boundary layers, Cascades (Fluid dynamics), Compressors, 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

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Topics: Cascades (Fluid dynamics), Computation, Flow (Dynamics), Algorithms, Blades, Compressors

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

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Topics: Bubbles, Separation (Technology), Blades, Cascades (Fluid dynamics), Diffusion (Physics), Turbomachinery, Turbulence

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

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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

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Topics: Flow (Dynamics), Turbines, Blades, Boundary-value problems, Design, Turbomachinery, Fourier analysis, Geometry, Inflow, Machine dynamics

Journal citation

NARROW

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

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

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

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

Prediction of Separated Flow Transition Using LES and Transitional RANS Model

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

Experimental Investigation of Boundary Layer Relaminarization in Accelerated Flow

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

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

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

Flat-Plate Boundary Layers in Accelerated Flow

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

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

Performance of a Splittered Transonic Rotor With Several Tip Clearances

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

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

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

On the Calculation of Laminar Separation Bubbles Using Different Transition Models

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

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

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