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Journal Articles

Gradient-Free Aerodynamic Optimization With Structural Constraints and Surge Line Control for Radial Compressor Stage

Robert Schaffrath, Eberhard Nicke, Nicolai Forsthofer, Oliver Kunc, Christian Voß
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091018.
Paper No: TURBO-23-1121
https://doi.org/10.1115/1.4067687
Published Online: February 18, 2025
View Article titled, Gradient-Free Aerodynamic Optimization With Structural Constraints and Surge Line Control for Radial Compressor Stage
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Topics: Compressors, Computational fluid dynamics, Geometry, Optimization, Blades, Parametrization, Surges, Simulation, Impellers, Pressure
Proceedings Papers

Multistage Turbomachinery Optimization for High Temperature Heat Pumps With the Reverse Rankine Cycle

Robert Schaffrath, Panagiotis Stathopoulos, Andreas Schmitz, Eberhard Nicke
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT34A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128083
https://doi.org/10.1115/GT2024-128083
View Paper titled, Multistage Turbomachinery Optimization for High Temperature Heat Pumps With the Reverse Rankine Cycle
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Topics: Compressors, Heat pumps, High temperature, Optimization, Rankine cycle, Turbomachinery
Proceedings Papers

Gradient-Free Aerodynamic Optimization With Structural Constraints and Surge Line Control for Radial Compressor Stage

Robert Schaffrath, Eberhard Nicke, Nicolai Forsthofer, Oliver Kunc, Christian Voß
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101593
https://doi.org/10.1115/GT2023-101593
View Paper titled, Gradient-Free Aerodynamic Optimization With Structural Constraints and Surge Line Control for Radial Compressor Stage
Open the PDF for Gradient-Free Aerodynamic Optimization With Structural Constraints and Surge Line Control for Radial Compressor Stage in another window
Topics: Compressors, Optimization, Steam, Surges, Water
Proceedings Papers

Part-Load Behavior and Start Up Procedure of a Reverse Rankine High Temperature Heat Pump With Water As its Working Medium

Maximilian Kriese, Steffen Klöppel, Nico Setzepfand, Robert Schaffrath, Eberhard Nicke
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A027, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103410
https://doi.org/10.1115/GT2023-103410
View Paper titled, Part-Load Behavior and Start Up Procedure of a Reverse Rankine High Temperature Heat Pump With Water As its Working Medium
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Topics: Heat pumps, High temperature, Rankine cycle, Stress, Water
Proceedings Papers

Multi Operating Point Aerodynamic Optimization of a Radial Compressor Impeller for an Application in High Temperature Heat Pump

Robert Schaffrath, Maximilian Kriese, Bojan Kajasa, Martino Köhler, Eberhard Nicke, Christian Voß
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82130
https://doi.org/10.1115/GT2022-82130
View Paper titled, Multi Operating Point Aerodynamic Optimization of a Radial Compressor Impeller for an Application in High Temperature Heat Pump
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Topics: Compressor impellers, Heat pumps, High temperature, Optimization, Compressors, Geometry, Pressure, Computational fluid dynamics, Design, Economics