@inproceedings{KlaukeKuehhornLiangetal., author = {Klauke, Thomas and K{\"u}hhorn, Arnold and Liang, Luo and Kober, Markus and Sieghart, D. and F{\"u}hrer, M. and Viehweger, Bernd and Fritzsche, Christoph and Sarradj, Ennes}, title = {Entwicklung eines 3-Blatt-CFK-Verstellpropellers f{\"u}r Ultraleichtflugzeuge}, abstract = {Deutscher Luft- und Raumfahrkongress 2010, 31.08. - 02.09.2010, Hamburg}, language = {de} } @inproceedings{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Zur Minderung des Umstr{\"o}mungsger{\"a}usches bei Profilen aus por{\"o}sem Material}, language = {de} } @misc{SarradjFritzscheGeyeretal., author = {Sarradj, Ennes and Fritzsche, Christoph and Geyer, Thomas and Giesler, Jens}, title = {Acoustic and aerodynamic design and characterization of a small-scale aeroacoustic wind tunnel}, language = {en} } @misc{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Porous Airfoils: Noise Reduction and Boundary Layer Effects}, language = {en} } @misc{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Measurement of the noise generation at the trailing edge of porous airfoils}, series = {Experiments in Fluids}, volume = {48}, journal = {Experiments in Fluids}, number = {2}, issn = {0723-4864}, pages = {291 -- 308}, language = {en} } @inproceedings{FritzscheSarradjGeyer, author = {Fritzsche, Christoph and Sarradj, Ennes and Geyer, Thomas}, title = {Akustische Polaren}, language = {de} } @inproceedings{FritzscheSarradjGeyer, author = {Fritzsche, Christoph and Sarradj, Ennes and Geyer, Thomas}, title = {Silent owl flight: setup for flyover noise measurements}, language = {en} } @inproceedings{FritzscheSarradjGeyeretal., author = {Fritzsche, Christoph and Sarradj, Ennes and Geyer, Thomas and Giesler, Jens}, title = {Hinterkantenger{\"a}usch an einem aerodynamischen Profil}, language = {de} } @inproceedings{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Der leise Flug der Eulen}, series = {Fortschritte der Akustik, DAGA 2011, 37. Jahrestagung f{\"u}r Akustik, 21. - 24. M{\"a}rz 2011 in D{\"u}sseldorf}, booktitle = {Fortschritte der Akustik, DAGA 2011, 37. Jahrestagung f{\"u}r Akustik, 21. - 24. M{\"a}rz 2011 in D{\"u}sseldorf}, publisher = {Deutsche Gesellschaft f{\"u}r Akustik}, address = {Berlin}, isbn = {978-3-939296-02-7}, language = {de} } @inproceedings{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Schallentstehung und turbulente Grenzschicht an der Hinterkante por{\"o}ser Profile}, language = {de} } @inproceedings{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Silent owl flight: experiments in the aeroacoustic wind tunnel}, language = {en} } @inproceedings{SarradjFritzsche, author = {Sarradj, Ennes and Fritzsche, Christoph}, title = {Integrierte aerodynamische und akustische Auslegung eines Propellers f{\"u}r Ultraleichtflugzeuge}, series = {Fortschritte der Akustik, DAGA 2011, 37. Jahrestagung f{\"u}r Akustik, 21. - 24. M{\"a}rz 2011 in D{\"u}sseldorf}, booktitle = {Fortschritte der Akustik, DAGA 2011, 37. Jahrestagung f{\"u}r Akustik, 21. - 24. M{\"a}rz 2011 in D{\"u}sseldorf}, publisher = {Deutsche Gesellschaft f{\"u}r Akustik}, address = {Berlin}, language = {de} } @misc{SarradjFritzscheGeyer, author = {Sarradj, Ennes and Fritzsche, Christoph and Geyer, Thomas}, title = {Silent Owl Flight: Bird Flyover Noise Measurements}, language = {en} } @misc{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Silent Owl Flight: Comparative Acoustic Wind Tunnel Measurements on Prepared Wings}, series = {Acta Acustica united with Acustica}, volume = {99}, journal = {Acta Acustica united with Acustica}, number = {1}, issn = {1861-9959}, pages = {139 -- 153}, language = {en} } @misc{GeyerWindischFritzscheetal., author = {Geyer, Thomas and Windisch, Thomas and Fritzsche, Christoph and Sarradj, Ennes}, title = {Dataset on permeability of wings from owls and non-silently flying birds}, series = {Data in Brief}, volume = {52}, journal = {Data in Brief}, issn = {2352-3409}, doi = {10.1016/j.dib.2023.109825}, language = {en} } @misc{GeyerWindischFritzscheetal., author = {Geyer, Thomas and Windisch, Thomas and Fritzsche, Christoph and Sarradj, Ennes}, title = {Dataset on airflow resistance of wings from owls and non-silently flying birds}, doi = {10.17632/ndcndtstcf.1}, language = {en} } @misc{GeyerFritzscheSarradjetal., author = {Geyer, Thomas and Fritzsche, Christoph and Sarradj, Ennes and Wagner, Hermann}, title = {Der leise Flug der Eule}, series = {Akustik Journal}, volume = {2021}, journal = {Akustik Journal}, number = {2}, pages = {9 -- 17}, language = {de} } @inproceedings{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Measuring the Noise Generation in Owl Flight}, series = {Book of abstracts, Internoise 2014 Conference, 43rd International Congress on Noise Control Engineering, Melbourne, 16 - 19 November 2014}, booktitle = {Book of abstracts, Internoise 2014 Conference, 43rd International Congress on Noise Control Engineering, Melbourne, 16 - 19 November 2014}, language = {en} } @incollection{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Nature-Inspired Porous Airfoils for Sound Reduction}, publisher = {Springer}, address = {Heidelberg}, isbn = {978-3-642-28301-7}, doi = {10.1007/978-3-642-28302-4_21}, pages = {355 -- 370}, language = {en} } @misc{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Silent Owl Flight: Acoustic Wind Tunnel Measurements on Prepared Wings}, series = {18th AIAA/CEAS Aeroacoustics Conference, 33rd AIAA Aeroacoustics Conference}, journal = {18th AIAA/CEAS Aeroacoustics Conference, 33rd AIAA Aeroacoustics Conference}, publisher = {American Institute of Aeronautics and Astronautics}, doi = {10.2514/6.2012-2230}, pages = {17}, language = {en} } @misc{GeyerSarradjFritzsche, author = {Geyer, Thomas and Sarradj, Ennes and Fritzsche, Christoph}, title = {Porous Airfoils: Noise Reduction and Boundary Layer Effects}, series = {15th AIAA/CEAS Aeroacoustics Conference, (30th AIAA Aeroacoustics Conference), Miami (FL/USA), 2009, AIAA, AIAA paper 2009-3329}, journal = {15th AIAA/CEAS Aeroacoustics Conference, (30th AIAA Aeroacoustics Conference), Miami (FL/USA), 2009, AIAA, AIAA paper 2009-3329}, publisher = {American Institute of Aeronautics and Astronautics}, address = {Reston, Va.}, isbn = {978-1-61567-141-0}, language = {en} } @misc{SarradjFritzscheGeyer, author = {Sarradj, Ennes and Fritzsche, Christoph and Geyer, Thomas}, title = {Silent Owl Flight: Bird Flyover Noise Measurements}, series = {16th AIAA/CEAS Aeroacoustics Conference (31st AIAA Aeroacoustics Conference), 7-9 June 2010, Stockholm, Sweden paper 2010-3991}, journal = {16th AIAA/CEAS Aeroacoustics Conference (31st AIAA Aeroacoustics Conference), 7-9 June 2010, Stockholm, Sweden paper 2010-3991}, publisher = {American Institute of Aeronautics and Astronautics}, address = {Reston, Va}, isbn = {978-1-60086-744-6}, pages = {17}, language = {en} }