TY - CHAP A1 - Sarradj, Ennes T1 - Modulares Mess- und Auswertesystem für Mikrofonarraymessungen Y1 - 2010 ER - TY - GEN A1 - Sarradj, Ennes A1 - Fritzsche, Christoph A1 - Geyer, Thomas A1 - Giesler, Jens T1 - Acoustic and aerodynamic design and characterization of a small-scale aeroacoustic wind tunnel Y1 - 2009 ER - TY - GEN A1 - Sarradj, Ennes T1 - A fast signal subspace approach for the determination of absolute levels from phased microphone array measurements T2 - Journal of Sound and Vibration Y1 - 2010 SN - 0022-460x VL - 329 IS - 9 SP - 1553 EP - 1569 ER - TY - GEN A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Porous Airfoils: Noise Reduction and Boundary Layer Effects Y1 - 2010 ER - TY - GEN A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Measurement of the noise generation at the trailing edge of porous airfoils T2 - Experiments in Fluids Y1 - 2010 SN - 0723-4864 VL - 48 IS - 2 SP - 291 EP - 308 ER - TY - CHAP A1 - Fritzsche, Christoph A1 - Sarradj, Ennes A1 - Geyer, Thomas T1 - Akustische Polaren Y1 - 2010 ER - TY - CHAP A1 - Fritzsche, Christoph A1 - Sarradj, Ennes A1 - Geyer, Thomas T1 - Silent owl flight: setup for flyover noise measurements Y1 - 2009 ER - TY - CHAP A1 - Fritzsche, Christoph A1 - Sarradj, Ennes A1 - Geyer, Thomas A1 - Giesler, Jens T1 - Hinterkantengeräusch an einem aerodynamischen Profil Y1 - 2008 ER - TY - CHAP A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Der leise Flug der Eulen T2 - Fortschritte der Akustik, DAGA 2011, 37. Jahrestagung für Akustik, 21. - 24. März 2011 in Düsseldorf Y1 - 2011 SN - 978-3-939296-02-7 PB - Deutsche Gesellschaft für Akustik CY - Berlin ER - TY - CHAP A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Schallentstehung und turbulente Grenzschicht an der Hinterkante poröser Profile Y1 - 2010 ER - TY - GEN A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Porous Airfoils: Noise Reduction and Boundary Layer Effects T2 - 15th AIAA/CEAS Aeroacoustics Conference, (30th AIAA Aeroacoustics Conference), Miami (FL/USA), 2009, AIAA, AIAA paper 2009-3329 Y1 - 2009 SN - 978-1-61567-141-0 PB - American Institute of Aeronautics and Astronautics CY - Reston, Va. ER - TY - CHAP A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Silent owl flight: experiments in the aeroacoustic wind tunnel Y1 - 2009 ER - TY - CHAP A1 - Sarradj, Ennes T1 - Brief Comparison of Kirchhoff-Helmholtz-BEM and Acoustical Energy BEM for Exterior Domains Y1 - 2009 ER - TY - CHAP A1 - Sarradj, Ennes T1 - Aeroacoustic source characterisation using subspace and deconvolution techniques T2 - Noise and vibration: emerging methods, Oxford, UK, 5 - 8 April 2009, proceedings of NOVEM 2009 Y1 - 2009 SN - 978-0-85432-900-7 PB - ISVR CY - Southampton ER - TY - CHAP A1 - Sarradj, Ennes T1 - Quantitative source spectra from acoustic array measurements T2 - Proceedings, 2nd Berlin Beamforming Conference, BeBeC, Berlin, 19 & 20 February 2008 Y1 - 2008 SN - 978-3-00-023849-9 PB - GFaI CY - Berlin ER - TY - CHAP A1 - Sarradj, Ennes T1 - Mikrofonarrayverfahren für kompakte aeroakustische Quellen Y1 - 2008 ER - TY - CHAP A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Integrierte aerodynamische und akustische Auslegung eines Propellers für Ultraleichtflugzeuge T2 - Fortschritte der Akustik, DAGA 2011, 37. Jahrestagung für Akustik, 21. - 24. März 2011 in Düsseldorf Y1 - 2011 PB - Deutsche Gesellschaft für Akustik CY - Berlin ER - TY - GEN A1 - Sarradj, Ennes A1 - Fritzsche, Christoph A1 - Geyer, Thomas T1 - Silent Owl Flight: Bird Flyover Noise Measurements T2 - 16th AIAA/CEAS Aeroacoustics Conference (31st AIAA Aeroacoustics Conference), 7-9 June 2010, Stockholm, Sweden paper 2010-3991 Y1 - 2010 SN - 978-1-60086-744-6 PB - American Institute of Aeronautics and Astronautics CY - Reston, Va ER - TY - CHAP A1 - Schulz, Falko T. A1 - Giesler, Jens A1 - Sarradj, Ennes T1 - Experimentelle Untersuchungen zur Schallabstrahlung komplexer Filtergeometrien T2 - Fortschritte der Akustik, DAGA 2011, 37. Jahrestagung für Akustik, 21. - 24. März 2011 in Düsseldorf Y1 - 2011 PB - Deutsche Gesellschaft für Akustik CY - Berlin ER - TY - GEN A1 - Sarradj, Ennes A1 - Fritzsche, Christoph A1 - Geyer, Thomas T1 - Silent Owl Flight: Bird Flyover Noise Measurements Y1 - 2011 ER - TY - CHAP A1 - Antoshkiv, Oleksiy A1 - Krüger, Falko A1 - Sarradj, Ennes A1 - Berg, Heinz Peter T1 - Acoustical Diagnostic of Spray-Airflow Interaction in a Modern Aero Engine Combustor Chamber T2 - Deutscher Luft- und Raumfahrtkongress 2009, Bd. Manuskripte Y1 - 2009 SN - 978-3-932182-64-8 SN - 978-3-932182-64-2 PB - DGLR CY - Bonn ER - TY - CHAP A1 - Brick, Haike A1 - Kohrs, Torsten A1 - Sarradj, Ennes A1 - Geyer, Thomas T1 - Noise from high-speed trains: Experimental determination of the noise radiation of the pantograph T2 - Proceedings of Forum Acusticum 2011, 27 June - 01 July, Aalborg, Denmark Y1 - 2011 SN - 978-84-694-1520-7 PB - Spanish Acoustical Society CY - Madrid ER - TY - CHAP A1 - Langhof, Carsten A1 - Sarradj, Ennes T1 - Transmission loss of structured sheet metal T2 - 2nd Polish-German Structured Conference on Acoustics, Jurata, 2011 Y1 - 2011 UR - https://www-docs.b-tu.de/fg-akustik/public/veroeffentlichungen/langhof_bleche_jurata2011.pdf ER - TY - CHAP A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Giesler, Jens A1 - Hobracht, Marcus T1 - Experimental assessment of the noise generated at the leading edge of porous airfoils using microphone array techniques Y1 - 2011 ER - TY - CHAP A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Nature-Inspired Porous Airfoils for Sound Reduction Y1 - 2012 SN - 978-3-642-28301-7 U6 - https://doi.org/10.1007/978-3-642-28302-4_21 SP - 355 EP - 370 PB - Springer CY - Heidelberg ER - TY - GEN A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Giesler, Jens T1 - Application of a Beamforming Technique to the Measurement of Airfoil Leading Edge Noise T2 - Advances in Acoustics and Vibration Y1 - 2012 SN - 1687-6261 N1 - Article ID 905461 ER - TY - GEN A1 - Sarradj, Ennes T1 - Three-Dimensional Acoustic Source Mapping with Different Beamforming Steering Vector Formulations T2 - Advances in Acoustics and Vibration Y1 - 2012 SN - 1687-6261 N1 - Article ID 292695 ER -