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Benjamin Winhart
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Proceedings Papers

Using Pseudotime Marching for the Solution of Harmonic Balance Problems

Christian Frey, Jan Backhaus, Graham Ashcroft, Georg Geiser, Benjamin Winhart, Heinrich Stüer
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127820
https://doi.org/10.1115/GT2024-127820
View Paper titled, Using Pseudotime Marching for the Solution of Harmonic Balance Problems
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Topics: Aeroelasticity, Compressors, Computational fluid dynamics, Errors, Flow (Dynamics), Jacobian matrices, Linear systems, Oscillations, Robustness, Scalars
Proceedings Papers

Mesh Refinement and Inlet Turbulence Intensity in the Numerical Evaluation of Cooling Effectiveness: A Systematic Study on an Industrial Gas Turbine

Federico Lo Presti, Benjamin Winhart, Pascal Post, Francesca di Mare, Alexander Wiedermann, Johannes Greving, Robert Krewinkel
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A010, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80958
https://doi.org/10.1115/GT2022-80958
View Paper titled, Mesh Refinement and Inlet Turbulence Intensity in the Numerical Evaluation of Cooling Effectiveness: A Systematic Study on an Industrial Gas Turbine
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Topics: Cooling, Industrial gases, Turbines, Turbulence
Proceedings Papers

Investigation of Physics-Informed Neural Networks Based Solution Techniques for Internal Flows

Pascal Post, Benjamin Winhart, Francesca di Mare
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80960
https://doi.org/10.1115/GT2022-80960
View Paper titled, Investigation of Physics-Informed Neural Networks Based Solution Techniques for Internal Flows
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Topics: Artificial neural networks, Internal flow, Physics, Cascades (Fluid dynamics), Computational fluid dynamics, Pressure, Blades, Boundary-value problems, Dimensions, Flow (Dynamics)
Proceedings Papers

Unsteady Rotor-Stator Interaction in a Four-Stage Axial Turbine: An Experimental Investigation

Florian von Gosen, Benjamin Winhart, Francesca di Mare
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A009, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80399
https://doi.org/10.1115/GT2022-80399
View Paper titled, Unsteady Rotor-Stator Interaction in a Four-Stage Axial Turbine: An Experimental Investigation
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Topics: Axial flow, Rotors, Stators, Turbines
Journal Articles

Numerical Investigation of Unsteady Combustor Turbine Interaction for Flexible Power Generation

Federico Lo Presti, Marwick Sembritzky, Benjamin Winhart, Pascal Post, Francesca di Mare, Alexander Wiedermann, Johannes Greving, Robert Krewinkel
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021003.
Paper No: TURBO-21-1146
https://doi.org/10.1115/1.4052137
Published Online: September 27, 2021
View Article titled, Numerical Investigation of Unsteady Combustor Turbine Interaction for Flexible Power Generation
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Topics: Boundary-value problems, Combustion chambers, Temperature, Turbines, Flow (Dynamics), Simulation, Fluctuations (Physics), Stress
Proceedings Papers

Numerical Investigation of Unsteady Combustor Turbine Interaction For Flexible Power Generation

Federico Lo Presti, Marwick Sembritzky, Benjamin Winhart, Pascal Post, Francesca di Mare, Alexander Wiedermann, Johannes Greving, Robert Krewinkel
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A021, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59329
https://doi.org/10.1115/GT2021-59329
View Paper titled, Numerical Investigation of Unsteady Combustor Turbine Interaction For Flexible Power Generation
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Topics: Combustion chambers, Energy generation, Stress, Turbines
Journal Articles

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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011001.
Paper No: TURBO-21-1067
https://doi.org/10.1115/1.4051711
Published Online: September 7, 2021
View Article titled, Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet
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Topics: Blades, Boundary layers, Flow (Dynamics), Inflow, Pressure, Suction, Turbines, Turbulence, Wakes, Sensors
Journal Articles

Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade

Pascal Post, Benjamin Winhart, Francesca di Mare
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021016.
Paper No: GTP-20-1526
https://doi.org/10.1115/1.4049348
Published Online: January 28, 2021
View Article titled, Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade
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Topics: Cascades (Fluid dynamics), Computation, Condensation, Drops, Flow (Dynamics), Large eddy simulation, Pressure, Reynolds-averaged Navier–Stokes equations, Sensors, Shock (Mechanics)
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
Publisher: American Society of Mechanical Engineers
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
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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
Publisher: American Society of Mechanical Engineers
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

Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade

Pascal Post, Benjamin Winhart, Francesca di Mare
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A024, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16064
https://doi.org/10.1115/GT2020-16064
View Paper titled, Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade
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Topics: Cascades (Fluid dynamics), Large eddy simulation, Steam turbines, Turbulence, Condensation, Modeling, Reynolds-averaged Navier–Stokes equations, Shock (Mechanics), Shock waves, Steam
Journal Articles

On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development, and Boundary Layer Flow in An Annular Low-Pressure Turbine Cascade: An Experimental Investigation

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2019, 141(9): 091001.
Paper No: TURBO-19-1015
https://doi.org/10.1115/1.4043577
Published Online: May 23, 2019
View Article titled, On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development, and Boundary Layer Flow in An Annular Low-Pressure Turbine Cascade: An Experimental Investigation
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Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Stators, Wakes, Suction, Turbines
Journal Articles

Experimental and Numerical Investigation of Secondary Flow Structures in an Annular Low Pressure Turbine Cascade Under Periodic Wake Impact—Part 1: Experimental Results

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2019, 141(2): 021008.
Paper No: TURBO-18-1035
https://doi.org/10.1115/1.4042284
Published Online: January 31, 2019
View Article titled, Experimental and Numerical Investigation of Secondary Flow Structures in an Annular Low Pressure Turbine Cascade Under Periodic Wake Impact—Part 1: Experimental Results
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Topics: Blades, Flow (Dynamics), Pressure, Stators, Wakes, Turbines
Journal Articles

Experimental and Numerical Investigation of Secondary Flow Structures in an Annular Low Pressure Turbine Cascade Under Periodic Wake Impact—Part 2: Numerical Results

Benjamin Winhart, Martin Sinkwitz, Andreas Schramm, David Engelmann, Francesca di Mare, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2019, 141(2): 021009.
Paper No: TURBO-18-1033
https://doi.org/10.1115/1.4042283
Published Online: January 31, 2019
View Article titled, Experimental and Numerical Investigation of Secondary Flow Structures in an Annular Low Pressure Turbine Cascade Under Periodic Wake Impact—Part 2: Numerical Results
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Topics: Flow (Dynamics), Pressure, Vortices, Wakes, Turbines, Blades
Proceedings Papers

On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development and Boundary Layer Flow in an Annular LPT Cascade: Part 1 — Experimental Investigation

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare, Ronald Mailach
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A030, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76802
https://doi.org/10.1115/GT2018-76802
View Paper titled, On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development and Boundary Layer Flow in an Annular LPT Cascade: Part 1 — Experimental Investigation
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Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Wakes, Blades, Displacement, Geometry, Radial flow, Reynolds number, Rotors
Proceedings Papers

On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development and Boundary Layer Flow in an Annular LPT Cascade: Part 2 — Numerical Investigation

Benjamin Winhart, Martin Sinkwitz, David Engelmann, Francesca di Mare, Ronald Mailach
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A033, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76873
https://doi.org/10.1115/GT2018-76873
View Paper titled, On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development and Boundary Layer Flow in an Annular LPT Cascade: Part 2 — Numerical Investigation
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Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Wakes, Blades, Dynamics (Mechanics), Engineering simulation, Frequency-domain analysis, Pressure, Principal component analysis