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Aerodynamic damping of composite UHBR fans under the consideration of acoustic intake reflections

Gößling, Jan; Seume, Joerg R.; Flüh, Jan Peter; Paletta, Nicola; Eggers, Torben; Friedrichs, Jens; Natale, Nunzio (New York, N.Y. : The American Society of Mechanical Engineers, 2022)

Steadily rising regulations and demands on aeroengines require the continuous reduction of CO2 emissions. Among other factors, particularly the weight reduction of the engine as well as synergetic engine-airframe integration ...
Design considerations for the electrical power supply of future civil aircraft with active high-lift systems

Mueller, J.-K.; Bensmann, A.; Bensmann, B.; Fischer, T.; Kadyk, T.; Narjes, G.; Kauth, F.; Ponick, B.; Seume, J.R.; Krewer, U.; Hanke-Rauschenbach, R.; Mertens, A. (Basel : MDPI AG, 2018)

Active high-lift systems of future civil aircraft allow noise reduction and the use of shorter runways. Powering high-lift systems electrically have a strong impact on the design requirements for the electrical power supply ...
Experimental and Numerical Based Defect Detection in a Model Combustion Chamber through Machine Learning

von der Haar, Henrik; Ignatidis, Panagiotis; Dinkelacker, Friedrich (Tōkyō : [Verlag nicht ermittelbar], 2021)

A disturbed combustion process in an aircraft engine has an impact on the internal flow and leads to specific irregularities in the species distribution in the exhaust jet. Measuring this distribution provides information ...
Impact of turbocharger non-adiabatic operation on engine volumetric efficiency and turbo lag

Shaaban, S.; Seume, Jörg R. (New York, NY : Hindawi Publishing Corporation, 2012)

Turbocharger performance significantly affects the thermodynamic properties of the working fluid at engine boundaries and hence engine performance. Heat transfer takes place under all circumstances during turbocharger ...
Kinetic modeling study on the combustion characterization of synthetic C3 and C4 alcohols for lean premixed prevaporized combustion

Nadiri, Solmaz; Zimmermann, Paul; Sane, Laxmi; Fernandes, Ravi; Dinkelacker, Friedrich; Shu, Bo (Basel : MDPI AG, 2021)

To reach sustainable aviation, one approach is to use electro-fuels (e-fuels) within the gas turbine engines. E-fuels are CO2-neutral synthetic fuels which are produced employing electrical energy generated from renewable ...
Phenomenological modeling of combustion and NOx emissions using detailed tabulated chemistry methods in diesel engines

Rezaei, Reza; Dinkelacker, Friedrich; Tilch, Benjamin; Delebinski, Thaddaeus; Brauer, Maximilian (London : SAGE Publications Ltd., 2016)

Enhancing the predictive quality of engine models, while maintaining an affordable computational cost, is of great importance. In this study, a phenomenological combustion and a tabulated NOx model, focusing on efficient ...
Recent progress in turbine blade and compressor blisk regeneration

Aschenbruck, Jens; Adamczuk, Rafael R.; Seume, Jörg R. (Amsterdam : Elsevier, 2014)

The regeneration process of jet engines is a highly complex, expensive and time-consuming. Especially the regeneration of high pressure turbine blades and compressor blisks are at the border of what is technically feasible. ...
Surface roughness of real operationally used compressor blade and blisk

Gilge, Philipp; Kellersmann, Andreas; Friedrichs, Jens; Seume, Jörg R. (London : SAGE Publications Ltd., 2019)

Deterioration of axial compressors is in general a major concern in aircraft engine maintenance. Among other effects, roughness in high-pressure compressor reduces the pressure rise and thus efficiency, thereby increasing ...

Now showing items 1-8 of 8

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