| A review of acoustic imaging methods using phased microphone arrays: Part of the “Aircraft Noise Generation and Assessment” Special Issue R Merino-Martínez, P Sijtsma, M Snellen, T Ahlefeldt, J Antoni, CJ Bahr, ... CEAS Aeronautical Journal 10, 197-230, 2019 | 309 | 2019 |
| A comparison of microphone phased array methods applied to the study of airframe noise in wind tunnel testing CJ Bahr, WM Humphreys, D Ernst, T Ahlefeldt, C Spehr, A Pereira, ... 23rd AIAA/CEAS aeroacoustics conference, 3718, 2017 | 73 | 2017 |
| Aeroacoustic measurements of a scaled half-model at high Reynolds numbers T Ahlefeldt AIAA journal 51 (12), 2783-2791, 2013 | 48 | 2013 |
| Experimental validation of unsteady pressure-sensitive paint for acoustic applications J Gößling, T Ahlefeldt, M Hilfer Experimental Thermal and Fluid Science 112, 109915, 2020 | 32 | 2020 |
| Microphone-array measurements in a cryogenic wind tunnel T Ahlefeldt, L Koop AIAA journal 48 (7), 1470-1479, 2010 | 32 | 2010 |
| Microphone array measurements on high-speed trains in wind tunnels A Lauterbach, K Ehrenfried, S Kröber, T Ahlefeldt, S Loose Berlin Beamforming Conference, 2010 | 27 | 2010 |
| Advanced measurement techniques for high Reynolds number testing in cryogenic wind tunnels U Fey, Y Egami, R Konrath, T Kirmse, T Ahlefeldt, J Kompenhans 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and …, 2010 | 26 | 2010 |
| Microphone array measurement in european transonic wind tunnel at flight Reynolds numbers T Ahlefeldt AIAA Journal 55 (1), 36-48, 2017 | 25 | 2017 |
| Road to acquisition: Preparing a MEMS microphone array for measurement of fuselage surface pressure fluctuations T Ahlefeldt, S Haxter, C Spehr, D Ernst, T Kleindienst Micromachines 12 (8), 961, 2021 | 19 | 2021 |
| Comparison of microphone array measurements in the closed test section of LSWT and ETW C Spehr, T Ahlefeldt CEAS Aeronautical Journal 10, 267-285, 2019 | 12 | 2019 |
| High-Reynolds number aeroacoustic testing under pressurised cryogenic conditions in PETW T Ahlefeldt, J Quest 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and …, 2012 | 9 | 2012 |
| Microphone-array Measurements in wind tunnels: Challenges and Limitations L Koop, S Kröber, T Ahlefeldt, K Ehrenfried, C Spehr, A Lauterbach Berlin Beamforming Conference 2012, 2012 | 8 | 2012 |
| Portable 512 MEMS-microphone-array for 3d-intensity-and beamforming-measurements using a FPGA based data-acquisition-system D Ernst, R Geisler, T Kleindienst, T Ahlefeldt, C Spehr 8th Berlin Beamforming Conference, 1-12, 2020 | 7 | 2020 |
| Airframe noise measurements in a large hard-walled closed-section wind tunnel A Di Marco, L Burghignoli, F Centracchio, R Camussi, T Ahlefeldt, ... Applied Acoustics 146, 96-107, 2019 | 7 | 2019 |
| Microphone localization with self calibrating acoustic GPS D Ernst, T Ahlefeldt, S Haxter, C Spehr 23rd AIAA/CEAS Aeroacoustics Conference, 3842, 2017 | 6 | 2017 |
| Advances in microphone array measurements in a cryogenic wind tunnel T Ahlefeldt, L Koop, A Lauterbach, C Spehr 3rd Berlin Beamforming Conference, 24-25 Février, 2010 | 6 | 2010 |
| Aeroacoustic measurements of a scaled half model at high Reynolds numbers T Ahlefeldt, A Lauterbach, L Koop 16th AIAA/CEAS Aeroacoustics Conference, 3748, 2010 | 6 | 2010 |
| A review of acoustic imaging methods using phased microphone arrays CEAS Aeronaut R Merino-Martínez, P Sijtsma, M Snellen, T Ahlefeldt, J Antoni, CJ Bahr, ... J 10 (1), 197-230, 2019 | 5 | 2019 |
| A tomographic directivity approach to frequency domain beamforming T Ahlefeldt, C Spehr, T Berkefeld, A Di Marco, L Burghignoli 2018 AIAA/CEAS Aeroacoustics Conference, 2808, 2018 | 5 | 2018 |
| Real-Flight Reynolds Number Microphone-Array Measurements on a Scaled Model in ETW T Ahlefeldt, J Quest 52nd Aerospace Sciences Meeting, 1483, 2014 | 5 | 2014 |
Carsten SpehrInstitute of Aerodynamics and Flow Technology, German Aerospace Center, DLRVerified email at dlr.de
