Aero-acoustics of flow duct singularities at low mach numbers

Collection of Technical Papers - 12th AIAA/CEAS Aeroacoustics Conference

Volumn 6, Issue , 2006, Pages 3708-3717

  Abom, Mats ^a,b   Allam, Sabry ^a,c   Boij, Susann ^a,b  

^a ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

^b MWL   (Sweden)

^c Industrial Education College   (Egypt)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; DUCTS; MATHEMATICAL MODELS; NOISE GENERATORS; NUMBER THEORY; ORIFICES;

AEROACOUSTICS; FLOW DUCT SINGULARITIES; FLOW GENERATED NOISE;

ACOUSTIC VARIABLES CONTROL;

EID: 33845603954     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2006-2687     Document Type: Conference Paper

References (8)

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2. Nygard,S., "Modelling of Low Frequency Sound in Duct Networks", Licentiate thesis KTH, TRITA-FKT 2000:57.
3. Durrieu, P., Hofmans,G., Ajello,G., Boot,R., Auregan,Y., Hirschberg,A., and Peters,M.C.A.M. "Quasi-steady aeroacoustic response of orifices". Journal of Acoustical Society of America 110(4), 2001, pp. 1859-1872.
4. Nelson,P.A. and Morfey.C.L. "Aerodynamic sound production in low speed flow ducts". Journal of Sound and Vibration 79(2), 1981, pp. 263-289.
5. Oldham,D.J. and Ukpoho,A.U. "A pressure based technique for predicting noise levels in ventilation Systems". Journal of Sound and Vibration 140(2), 1990, pp. 259-272.
6. Boij,S. and Nilsson,B. "Reflection of sound at area expansions in a flow duct" Journal of Sound and Vibration, 260(3), 2003, pp. 477-498.
7. Lavrentjev,J., Abom,M. and Bodén,H. "A measurement method for determining the source data of acoustic two-port sources". Journal of Sound and Vibration 183(3), 1995, pp. 517-531.
8. Abom, M. and Bodén,H. "Error analysis of two-microphone measurements in ducts with flow". Journal of the Acoustical Society of America 83(6), 1988, pp. 2429-2438.