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Proceedings Papers

On the Performance of Variable-Geometry Ducted E-Fans

Mavroudis D. Kavvalos, Rainer Schnell, Maximilian Mennicken, Marco Trost, Konstantinos G. Kyprianidis
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122602
https://doi.org/10.1115/GT2024-122602
View Paper titled, On the Performance of Variable-Geometry Ducted E-Fans
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Topics: Ducts, Fans, Geometry, Design, Pressure, Nozzles, Thrust, Aircraft engines, Architecture, Engines
Proceedings Papers

Assessment of a BLI-Tolerant Aft-Fan at Design and Near Stall Conditions - From Preliminary to Detailed Aerodynamic Design

Maximilian Mennicken, Rainer Schnell, Dragan Kožulović
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121707
https://doi.org/10.1115/GT2024-121707
View Paper titled, Assessment of a BLI-Tolerant Aft-Fan at Design and Near Stall Conditions - From Preliminary to Detailed Aerodynamic Design
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Topics: Design, Pressure, Boundary layers, Fans, Flow (Dynamics), Propulsion, Climate, Commercial air transport, Design methodology, Fuel efficiency
Journal Articles

On the Performance of Variable-Geometry Ducted E-Fans

Mavroudis D. Kavvalos, Rainer Schnell, Maximilian Mennicken, Marco Trost, Konstantinos G. Kyprianidis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101024.
Paper No: GTP-24-1239
https://doi.org/10.1115/1.4066074
Published Online: August 21, 2024
View Article titled, On the Performance of Variable-Geometry Ducted E-Fans
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Topics: Design, Fans, Geometry, Nozzles, Pressure, Surges, Weight (Mass), Flow (Dynamics), Ducts, Thrust
Journal Articles

Optimization of Trailing-Edge Serrations to Reduce Open-Rotor Tonal Interaction Noise

Robert Jaron, Antoine Moreau, Sébastien Guérin, Rainer Schnell
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2018, 140(2): 021201.
Paper No: FE-16-1504
https://doi.org/10.1115/1.4037981
Published Online: November 3, 2017
View Article titled, Optimization of Trailing-Edge Serrations to Reduce Open-Rotor Tonal Interaction Noise
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Topics: Noise (Sound), Optimization, Rotors, Wakes, Acoustics, Blades, Simulation
Proceedings Papers

Experimental and Numerical Investigation of Blade Pressure Fluctuations on a CFK-Bladed, Counterrotating Propfan

Rainer Schnell
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A003, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0298
https://doi.org/10.1115/2001-GT-0298
View Paper titled, Experimental and Numerical Investigation of Blade Pressure Fluctuations on a CFK-Bladed, Counterrotating Propfan
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Topics: Blades, Fluctuations (Physics), Pressure, Rotors, Wakes, Computer simulation, Design, Flow (Dynamics), Pressure sensors, Reflection
Proceedings Papers

Experimental and Numerical Investigation of the Flow in a 5-Stage Transonic Compressor Rig

Stefan Lecheler, Rainer Schnell, Bertram Stubert
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A040, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0344
https://doi.org/10.1115/2001-GT-0344
View Paper titled, Experimental and Numerical Investigation of the Flow in a 5-Stage Transonic Compressor Rig
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Topics: Compressors, Flow (Dynamics), Rotors, Blades, Design, Shock (Mechanics), Calibration, Gas turbines, Pressure, Shapes
Proceedings Papers

A Study of a Modern Transonic Fan Rotor in a Low Reynolds Number Regime for a Small Turbofan Engine

Toyotaka Sonoda, Rainer Schnell, Toshiyuki Arima, Giles Endicott, Eberhard Nicke
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT35A032, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95447
https://doi.org/10.1115/GT2013-95447
View Paper titled, A Study of a Modern Transonic Fan Rotor in a Low Reynolds Number Regime for a Small Turbofan Engine
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Topics: Engines, Reynolds number, Rotors, Turbofans, Compressors, Computational fluid dynamics, Design, Optimization, Pressure, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Optimised Aerodynamic Design of an OGV With Reduced Blade Count for Low Noise Aircraft Engines

Georg Kröger, Rainer Schnell, Nicholas D. Humphreys
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 407-418, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69459
https://doi.org/10.1115/GT2012-69459
View Paper titled, Optimised Aerodynamic Design of an OGV With Reduced Blade Count for Low Noise Aircraft Engines
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Topics: Aircraft engines, Blades, Design, Noise (Sound), Optimization, Aircraft, Chain, Engines, Flow (Dynamics), Flow separation
Proceedings Papers

Investigation of the Tonal Acoustic Field of a Transonic Fanstage by Time-Domain CFD-Calculations With Arbitrary Blade Counts

Rainer Schnell
Proc. ASME. GT2004, Volume 5: Turbo Expo 2004, Parts A and B, 1763-1773, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-54216
https://doi.org/10.1115/GT2004-54216
View Paper titled, Investigation of the Tonal Acoustic Field of a Transonic Fanstage by Time-Domain CFD-Calculations With Arbitrary Blade Counts
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Topics: Acoustics, Blades, Computational fluid dynamics, Flow (Dynamics), Noise (Sound), Boundary-value problems, Computer simulation, Ducts, Engines