Sound scattered by a helicopter fuselage in descent flight condition

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

Volumn , Issue , 2007, Pages

  Testa, Claudio ^a   Ianniello, Sandro ^b   Bernardini, Giovanni ^c   Gennaretti, Massimo ^c  

^a ITALIAN AEROSPACE RESEARCH CENTER   (Italy)

^b ITALIAN SHIP MODEL BASIN   (Italy)

^c ROMA TRE UNIVERSITY   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC DISTURBANCES; AERODYNAMIC ANALYSIS; BOUNDARY INTEGRAL FORMULATIONS; FLIGHT CONDITIONS; HAWKINGS EQUATIONS; HELICOPTER FUSELAGE; INTEGRAL FORMULATIONS; MULTI-BODY CONFIGURATIONS;

AEROACOUSTICS; AERODYNAMIC CONFIGURATIONS; BOUNDARY ELEMENT METHOD; FUSELAGES; HELICOPTER ROTORS; SCATTERING;

ACOUSTIC NOISE;

EID: 84884774117     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (10)

1. Ffowcs Williams, J.E., and Hawkings, D. L., "Sound Generated by Turbulence and Surfaces in Arbitrary Motion, " Philosophical Transactions of the Royal Society Vol. A264, 1969, pp. 321-342.
2. Gennaretti, M., Iemma, U., and Testa, C., "Prediction of Sound Scattered by Moving Bodies with Applications to Propeller-Driven Airplanes, " AIAA Paper 2006-2475, 12th AIAA/CEAS Aeroacoustic Conference, Cambridge, Massachusetts, 2006.
3. Wang, T.Q., and Zhou, S., "Investigation on Sound Field Model of Propeller Aircraft-The Effect of Rigid Fuselage Boundary, " Journal of Sound and Vibration Vol. 209, No. 2, 1998, pp. 317-328.
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5. Morino, L., and Gennaretti, M., "Boundary Integral Equation Methods for Aerodynamics", Computational Nonlinear Mechanics in Aerospace Engineering, edited by S.N. Atluri, Progress in Aeronautics & Astronautics, Vol. 146, AIAA, Washington, DC, 1992, pp. 279-320.
6. Farassat, F., and Succi, G.P., "The prediction of helicopter rotor discrete frequency noise, " Vertica Vol. 7, 1983, pp. 309-320.
7. Long, L.N., "The Compressible Aerodynamics of Rotating Blades Based on an Acoustic Formulation, " NASA TP-2197, 1983.
8. Gennaretti, M., and Bernardini, G., "A Novel Potential-Flow Boundary Integral Formulation for Helicopter Rotors in BVI Conditions, " AIAA Paper 2005-2924, 11th AIAA/CEAS Aeroacoustics Conference, Monterey, California, 2005.
9. Gennaretti, M., and Bernardini, G., "A Novel Boundary Integral Formulation for BVI Aerodynamics of Helicopter Rotors, " accepted for publication in the AIAA Journal.
10. Morino, L., "A General Theory of Unsteady Compressible Potential Aerodynamics, " NASA CR-2464, 1974.