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 |
Decorrelation of acoustic wave propagation through the shear layer in open jet wind tunnel D Ernst, C Spehr, T Berkefeld 21st AIAA/CEAS aeroacoustics conference, 2976, 2015 | 30 | 2015 |
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 |
Weighted data spaces for correlation-based array imaging in experimental aeroacoustics HG Raumer, C Spehr, T Hohage, D Ernst Journal of Sound and Vibration 494, 115878, 2021 | 15 | 2021 |
A New Methodological Approach to the Characterization of Optimal Charging Rates at the Hydrogen Plasma Smelting Reduction Process Part 1: Method MA Zarl, D Ernst, J Cejka, J Schenk Materials 15 (14), 4767, 2022 | 11 | 2022 |
Beamforming for measurements under disturbed propagation conditions using numerically calculated Green’s functions M Lehmann, D Ernst, M Schneider, C Spehr, M Lummer Journal of Sound and Vibration 520, 116638, 2022 | 11 | 2022 |
A New Methodological Approach on the Characterization of Optimal Charging Rates at the Hydrogen Plasma Smelting Reduction Process Part 2: Results D Ernst, MA Zarl, J Cejka, J Schenk Materials 15 (12), 4065, 2022 | 9 | 2022 |
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 |
Technique for reduced-tag dynamic scheduling and reduced-tag prediction DJ Ernst, TM Austin US Patent 7,398,375, 2008 | 7 | 2008 |
Impact of iron ore pre-reduction degree on the hydrogen plasma smelting reduction process D Ernst, U Manzoor, IR Souza Filho, MA Zarl, J Schenk Metals 13 (3), 558, 2023 | 6 | 2023 |
Microphone localization with self calibrating acoustic GPS D Ernst, T Ahlefeldt, S Haxter, C Spehr 23rd AIAA/CEAS Aeroacoustics Conference, 3842, 2017 | 6 | 2017 |
Evaluation of different alloying concepts to trace non-metallic inclusions by adding rare earths on a laboratory scale K Thiele, P Presoly, D Ernst, SR Babu, SK Michelic Ironmaking & Steelmaking 50 (5), 507-516, 2023 | 5 | 2023 |
Hydrogen plasma smelting reduction process monitoring with optical emission spectroscopy–Establishing the basis for the method H Pauna, D Ernst, M Zarl, M Aula, J Schenk, M Huttula, T Fabritius Journal of Cleaner Production 372, 133755, 2022 | 5 | 2022 |
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 three-dimensional microphone array for wind tunnel application D Ernst, C Spehr INTER-NOISE and NOISE-CON Congress and Conference Proceedings 255 (7), 356-363, 2017 | 5 | 2017 |
A comparison of microphone phased array methods applied to the study of airframe noise in wind tunnel testing. 23rd AIAA CJ Bahr, WM Humphreys, D Ernst, T Ahlefeldt, C Spehr, A Pereira, ... CEAS Aeroacoustics Conference, June, 5-9, 2017 | 5 | 2017 |
Effects of the Electrodes’ Shape and Graphite Quality on the Arc Stability During Hydrogen Plasma Smelting Reduction of Iron Ores D Ernst, MA Zarl, MA Farkas, J Schenk steel research international 94 (7), 2200818, 2023 | 4 | 2023 |
Akustischer Kohärenzverlust in offenen Windkanälen aufgrund der turbulenten Scherschicht (Acoustic coherence lossin open wind tunnels due to the turbulent shear layer) D Ernst Technische Universität Berlin, Fakultät V-Verkehrs-und Maschinensysteme …, 2020 | 4 | 2020 |
Aeroacoustic testing on a full aircraft model at high Reynolds numbers in the European Transonic Windtunnel T Ahlefeldt, D Ernst, A Goudarzi, HG Raumer, C Spehr Journal of Sound and Vibration 566, 117926, 2023 | 2 | 2023 |