Investigation of aero-engine core-noise using a phased microphone array

7th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2001, Pages

  Siller, H A ^a   Arnold, F ^b   Michel, U ^a  

^a GERMAN AEROSPACE CENTER DLR   (Germany)

^b Rolls Royce Deutschland   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC GENERATORS; AEROACOUSTICS; AIRCRAFT ENGINES; COMBUSTION CHAMBERS; ENGINES; MICROPHONES; NOZZLES; PROBES;

CORRELATION TECHNIQUES; ENGINE POWER SETTINGS; MICROPHONE ARRAYS; MICROPHONE SIGNALS; NOISE INVESTIGATION; POWER SETTINGS; PRESSURE FLUCTUATION; SOUND RADIATIONS;

ACOUSTIC NOISE;

EID: 85088719012     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2001-2269     Document Type: Conference Paper

References (7)

1. Billingsley, J. and Kinns, R., The Acoustic Telescope, J. Sound Vib., Vol. 48, 1976, pp. 485-510.
2. Fisher, M. J., Harper-Bourne, M., and Glegg, S. A. L., Jet engine noise source location: The polar correlation technique, J. Sound Vib., Vol. 51, 1977, pp. 23-54.
3. King III W. F. and Bechert, D., On the Sources of Wayside Noise Generated by High-Speed Trains, J. Sound Vib., Vol. 66, 1979, pp. 311-332.
4. Michel, U., Barsikow, B., Haverich, B., and Schüttpelz, M, Investigation of airframe and jet noise in high-speed flight with a microphone array, AIAA Paper 97-1596, 1997, 3rd AIAA/CEAS Aeroacoustics Conference, Atlanta, Ga, May 12-14, 1997.
5. Michel, U., Barsikow, B., Helbig, J., Hellmig, M., and Schüttpelz, M., Flyover noise measurements on landing aircraft with a microphone array, AIAA Paper 98-2336, 1998, 4th AIAA/CEAS Aeroacoustics Conference, Toulouse, France, June 2-4, 1998.
6. Michel, U. and Qiao, W., Directivity of landing gear noise based on flyover measurements, AIAA Paper 99-1956, 1999, 5th AIAA/CEAS Aeroacoustics Conference, Bellevue, Wa, May 10-12, 1999.
7. Johnson, D. H. and Dudgeon, D. E., Array Signal Processing, Concepts and Techniques, P T R Prentice Hall, Englewood Cliffs, 1993.