Hard strips in lined ducts

8th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2002, Pages

  Elnady, T ^a   Boden H ^a  

^a ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

AEROACOUSTICS; AIRCRAFT ENGINES; NUMERICAL METHODS;

AIRCRAFT JET ENGINES; ATTENUATE SOUND; ATTENUATION CHARACTERISTICS; CIRCUMFERENTIAL VARIATION; GOVERNING EQUATIONS; POINT MATCHING METHOD; POTENTIAL BENEFITS; TRANSMISSION LOSS;

DUCTS;

EID: 85088720540     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2002-2444     Document Type: Conference Paper

References (12)

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3. K. BAUMEISTER 1979 NASA/TM-79028. Optimized multi-sectioned acoustic liners.
4. S. SARIN and E. RADEMAKER 1993 AIAA paper 93-4414. In-flight acoustic mode measurements in the turbofan engine inlet of Fokker 100 aircraft.
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6. G. DAHLQUIST and A. BJORK 1974 Numerical Methods. Prentice Hall.
7. R. GLAV 1996 Journal of Sound and Vibration, vol. 189, 123-135. The point-matching method on dissipative silencers of arbitrary cross section.
8. W. EVERSMAN 1995 Aeroacoustics of flight vehicles, Theory and Practice. Chapter 13: Theoretical models for duct acoustic propagation and radiation. New York: Acoustical Society o America.
9. S.-H. KO 1972 Journal of sound and vibration, vol. 22(2), 193-210. Sound attenuation in acoustically lined circular ducts in the presence of uniform flow and shear flow.
10. M. DELANY and E. BAZLEY 1970 Applied Acoustics, vol. 3, 105-116. Acoustic properties of fibrous absorbent materials.
11. S. IVANSSON and I. KARASALO 1993 Journal of Sound and Vibration, vol. 161, 173-180. Computation of modal wavenumbers using an adaptive winding-number integral method with error control.
12. R. GLAV 1999 Ljud och Vibrationer, Kapitel 10: Ljud i kanaler. Stockholm: Marcus Wallenberg Laboratory for Sound and Vibration Research, Royal Institute of Technology.