Optimisation of sandwich trim panels for reducing helicopter internal noise

30th European Rotorcraft Forum

Volumn 2005, Issue , 2005, Pages 1025-1033

  Simon, Frank ^a   Pauzin, Simone ^a   Biron, Daniel ^a  

^a ONERA   (France)

Author keywords

[No Author keywords available]

Indexed keywords

COMPOSITE MATERIALS; FIBERS; HELICOPTERS; HIGH TEMPERATURE EFFECTS; HONEYCOMB STRUCTURES; MATHEMATICAL MODELS; NOISE ABATEMENT; POROUS MATERIALS; STIFFNESS;

COMPOSITE FIBRES; HOMOGENEOUS MATERIALS; MECHANICAL CHARACTERISTICS; TRANSMISSION LOSS (TL);

STRUCTURAL PANELS;

EID: 33745561138     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (7)

1. J.A. Moore and R.H. Lyon, "Sound transmission loss characteristics of sandwich panel constructions", J. Acoust. Soc. Am, 89(2), 777-791, February 1991.
2. M. Dussac et al., "A finite element method to predict internal noise levels at discrete frequencies for a partially composite helicopter fuselage", ONERA T.P. no1989-49, AHS annual forum, Boston, USA, 1989.
3. A.C. Nilsson, "Wave propagation in and sound transmission through sandwich plates", J. Sound Vib., 138(1), 73-94, 1990.
4. F. Simon, "Contrôle actif appliqué àla réduction du bruit interne d'aéronefs", PhD thesis, ENSAE, 1997.
5. Warburton, "The vibration of rectangular plates", Institution of Mech. Eng. Ser. A, 1954.
6. F. Simon, F. Liousse and D. Biron, "Acoustical and modal characterization of composite plane structures", Internoise 92, vol.1, 611-614, Toronto, USA, 1992.
7. F. Simon and S. Pauzin, "Sound transmission loss model of orthotropic sandwich panels", Euronoise '95, 855-860, Lyon, France, 1995.