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Ole Willers
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Proceedings Papers

Numerical Investigation of Loss Mechanisms in a Partially Loaded Supersonic ORC Axial Turbine Stage

Karl Ziaja, Pascal Post, Andreas Schramm, Ole Willers, Joerg R. Seume, Francesca di Mare
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A028, June 13–17, 2022
Paper No: GT2022-82852
DOI: https://doi.org/10.1115/GT2022-82852
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Topics: Computational fluid dynamics, Organic Rankine cycle, Turbines
Journal Articles

Numerical Investigation of a Partially Loaded Supersonic Organic Rankine Cycle Turbine Stage

Karl Ziaja, Pascal Post, Marwick Sembritzky, Andreas Schramm, Ole Willers, Harald Kunte, Joerg R. Seume, Francesca di Mare
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061014.
Paper No: GTP-20-1541
DOI: https://doi.org/10.1115/1.4049207
Published Online: March 17, 2021
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Topics: Annulus, Computational fluid dynamics, Flow (Dynamics), Organic Rankine cycle, Pressure, Rotors, Stators, Turbines, Temperature
Journal Articles

Evaluation of the Rotor Temperature Distribution of an Automotive Turbocharger Under Hot Gas Conditions Including Indirect Experimental Validation

Christopher Zeh, Ole Willers, Thomas Hagemann, Hubert Schwarze, Jörg Seume
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031022.
Paper No: GTP-20-1701
DOI: https://doi.org/10.1115/1.4049825
Published Online: February 24, 2021
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Topics: Bearings, Heat, Rotors, Temperature, Turbines, Turbochargers, Heat transfer, Flow (Dynamics), Compressors, Thermohydrodynamics
Proceedings Papers

Numerical Investigation of a Partially Loaded Supersonic ORC Turbine Stage

Karl Ziaja, Pascal Post, Marwick Sembritzky, Andreas Schramm, Ole Willers, Harald Kunte, Jörg Seume, Francesca di Mare
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T22A002, September 21–25, 2020
Paper No: GT2020-15219
DOI: https://doi.org/10.1115/GT2020-15219
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Topics: Computational fluid dynamics, Organic Rankine cycle, Turbines
Proceedings Papers

Evaluation of the Rotor Temperature Distribution of an Automotive Turbocharger Under Hot Gas Conditions Including Indirect Experimental Validation

Christopher Zeh, Ole Willers, Thomas Hagemann, Hubert Schwarze, Joerg R. Seume
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A051, September 21–25, 2020
Paper No: GT2020-16077
DOI: https://doi.org/10.1115/GT2020-16077
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Topics: Computational fluid dynamics, Heat transfer, Rotors, Temperature, Temperature distribution, Turbochargers, Bearings, Flow (Dynamics), Fluid films, Heat
Proceedings Papers

Design of a Mixed-Flow Transonic Compressor for Active High-Lift System Using a 3D Inverse Design Methodology

Peng Wang, Maria Vera-Morales, Patrick La, Mehrdad Zangeneh, Niklas Maroldt, Ole Willers, Felix Kauth, Jörg Seume
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A023, September 21–25, 2020
Paper No: GT2020-15645
DOI: https://doi.org/10.1115/GT2020-15645
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Topics: Compressors, Design, Design methodology, Flow (Dynamics)