Comparison of different analysis techniques to decompose a broad-band ducted sound field in its mode constituents

13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference)

Volumn , Issue , 2007, Pages

  Enghardt, Lars ^a   Holewa, Axel ^a   Tapken, Ulf ^a  

^a Department of Fan and Compressor   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

BROADBAND SOUND FIELDS; CROSS CORRELATIONS; DIFFERENT ANALYSIS TECHNIQUES; EXPERIMENTAL TECHNIQUES; FREQUENCY COMPONENTS; FUNDAMENTAL EXPERIMENTS; MICROPHONE ARRAYS; MICROPHONE SIGNALS;

ACOUSTIC FIELD MEASUREMENT; AEROACOUSTICS; MICROPHONES; SENSORS;

ACOUSTIC FIELDS;

EID: 84884783176     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (11)

1. Enghardt, L., and Lowis, C.: "Broadband Sound Power Determination in Flow Ducts", IOA Spring Conference, Proc. Institute of Acoustics, Vol. 28, Pt. 1, Southampton, UK, 2006
2. U. W. Ganz, P. D. Joppa, T. J. Patten, D. F. Scharpf, "Boeing 18-Inch Fan Rig Broadband Noise Test", NASA/CR-1998-208704
3. ISO 5136:2003 Acoustics-Determination of sound power radiated and other air-moving devices-In-duct method, 2003
4. B. Tester, P. Sijtsma, P. Joseph, C. Lowis: "Fan Broadband Noise Simulation", 12th AIAA/CEAS Aeroacoustics Conference, No. 2006-2684, Cambridge, MA, USA, 2006
5. P. Joseph and C. L. Morfey: "Multimode radiation from an unflanged, semi-infinite circular duct", J. Acoust. Soc. Am., 105 (5), 1999.
6. G. Gabard and R.J. Astley: "Theoretical models for sound radiation from annular jet pipes: far-and near-field", Journal of Fluid Mechanics, 549, 2006, pp. 315-342
7. J.S. Bendat and A.G. Piersol, Random data: analysis and measurement procedures, Wiley-Interscience, New York, 1971
8. Munjal, M.L., Acoustics of Ducts and Mufflers, John Wiley & Sons, New York, 1997.
9. F. Holste: "Ermittlung der aerodynamischen Lärmquellen und Berechnung des abgestrahlten Schallfeldes mittels der im Nahfeld gemessenen Druckschwankungen am Beispiel eines Triebwerksmodells", PhD Thesis, TU Berlin, Fortschrift Berichte VDI Reihe 7, Nr. 272, Düsseldorf, VDI Verlag, 1995
10. D.H. Johnson and D.E. Dudgeon, Array Signal Processing, Prentice Hall, Englewood Cliffs, New Jersey, 1993
11. A. Moreau, L. Enghardt, H. Boden: "On the relation between broadband noise and aerodynamic fan performance", Fan Noise 2007, Lyon (France), 17-19 September 2007 (to be published in the proceedings)