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Proceedings Papers

The Influence of Mode Shape on Flutter Stability of a Scaled Composite UHBR Fan

Jan Goessling, Niklas Maroldt, Sina Stapelfeldt
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126529
https://doi.org/10.1115/GT2024-126529
View Paper titled, The Influence of Mode Shape on Flutter Stability of a Scaled Composite UHBR Fan
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Topics: Composite materials, Flutter (Aerodynamics), Mode shapes, Stability
Proceedings Papers

Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor

Niklas Maroldt, Joerg R. Seume
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124275
https://doi.org/10.1115/GT2024-124275
View Paper titled, Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor
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Topics: Blades, Compressors, Structural dynamics, Damping, Vibration, Design, Frequency response, Simulation, Acoustics, Aerodynamics
Journal Articles

Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor

Accepted Manuscript
Niklas Maroldt, Joerg R. Seume
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1513
https://doi.org/10.1115/1.4066372
Published Online: August 27, 2024
View Article titled, Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor
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Topics: Blades, Compressors, Damping, Design, Vibration, Acoustics, Aerodynamics, Bladed disks, Computational fluid dynamics, Excitation systems
Journal Articles

Characterizing the Unsteady Flow Field in Low-Flow Turbine Operation

Hye Rim Kim, Lennart Stania, Niklas Maroldt, Marcel Oettinger, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101003.
Paper No: TURBO-23-1232
https://doi.org/10.1115/1.4065243
Published Online: April 23, 2024
View Article titled, Characterizing the Unsteady Flow Field in Low-Flow Turbine Operation
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Topics: Blades, Flow (Dynamics), Pressure, Turbines, Vibration, Excitation, Acoustics, Rotors, Unsteady flow, Transients (Dynamics)
Proceedings Papers

Characterising the Unsteady Flow-Field in Low-Flow Turbine Operation

Hye Rim Kim, Lennart Stania, Niklas Maroldt, Marcel Oettinger, Joerg R. Seume
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A018, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102813
https://doi.org/10.1115/GT2023-102813
View Paper titled, Characterising the Unsteady Flow-Field in Low-Flow Turbine Operation
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Topics: Flow (Dynamics), Turbines, Vibration
Journal Articles

Multidisciplinary Design of an Electrically Powered High-Lift System

Niklas Maroldt, Stefanie Lohse, Matthias Kalla, Bernd Ponick, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101001.
Paper No: TURBO-23-1002
https://doi.org/10.1115/1.4062677
Published Online: June 26, 2023
View Article titled, Multidisciplinary Design of an Electrically Powered High-Lift System
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Topics: Compressors, Design, Optimization, Machinery, Electrical components
Proceedings Papers

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Joerg R. Seume, Lukas Schwerdt, Lars Panning von-Scheidt, Jörg Wallaschek, Ricarda Berger, Raimund Rolfes
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81090
https://doi.org/10.1115/GT2022-81090
View Paper titled, Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling
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Topics: Compressors, Modeling, Vibration, Rotors, Blades, Damping, Engineering simulation, Fatigue life, High cycle fatigue, Simulation
Journal Articles

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Lukas Schwerdt, Ricarda Berger, Lars Panning-von Scheidt, Raimund Rolfes, Jörg Wallaschek, Joerg R. Seume
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111017.
Paper No: GTP-22-1317
https://doi.org/10.1115/1.4055368
Published Online: September 22, 2022
View Article titled, Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling
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Topics: Acoustics, Blades, Compressors, Damping, Excitation, Fatigue, Rotors, Stiffness, Vibration, Modeling
Journal Articles

Unsteady Interaction Mechanisms of Axial-Slot Casing Treatment With Tip Region Flow in a Highly-Loaded Mixed-Flow Compressor

Juan Du, Jiahui Qiu, Qianfeng Zhang, Dun Ba, Niklas Maroldt, Joerg R. Seume
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091001.
Paper No: GTP-22-1105
https://doi.org/10.1115/1.4054965
Published Online: July 21, 2022
View Article titled, Unsteady Interaction Mechanisms of Axial-Slot Casing Treatment With Tip Region Flow in a Highly-Loaded Mixed-Flow Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Pressure, Rotors, Stall inception
Journal Articles

Forced Response Due to Vane Stagger Angle Variation in an Axial Compressor

Niklas Maroldt, Mona Amer, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081011.
Paper No: TURBO-21-1042
https://doi.org/10.1115/1.4053839
Published Online: March 4, 2022
View Article titled, Forced Response Due to Vane Stagger Angle Variation in an Axial Compressor
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Topics: Blades, Compressors, Damping, Engines, Excitation, Flow (Dynamics), Inlet guide vanes, Rotors, Simulation, Vibration
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15645
https://doi.org/10.1115/GT2020-15645
View Paper titled, Design of a Mixed-Flow Transonic Compressor for Active High-Lift System Using a 3D Inverse Design Methodology
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Topics: Compressors, Design, Design methodology, Flow (Dynamics)