Effect of resonator axis skew on normal incidence impedance

9th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2003, Pages

  Parrott, Tony L ^a,b   Jones, Michael G ^a,b   Homeijer, Brian ^a,c  

^a NASA LANGLEY RESEARCH CENTER   (United States)

^b Structural Acoustics Branch   (United States)

^c LEHIGH UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; AEROACOUSTICS; ASPECT RATIO; BANDWIDTH; ENGINES; FORECASTING; HONEYCOMB STRUCTURES; RESONANCE; SPURIOUS SIGNAL NOISE; TURBOFAN ENGINES; VELOCITY CONTROL;

ABSORBING STRUCTURE; BANDWIDTH EXTENSION; ECONOMIC REQUIREMENTS; GEOMETRIC CONSTRAINT; IMPEDANCE MODELING; RESONANCE FREQUENCIES; RESONATOR CAVITIES; SURFACE IMPEDANCES;

RESONATORS;

EID: 85088755814     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2003-3307     Document Type: Conference Paper

References (7)

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2. Parrott, T. L.,Watson, W. R., and Jones, M. G., "Experimental Validation of a Two-Dimensional Shear- Flow Model for Determining Acoustic Impedance," NASA TP-2679, 1987.
3. Jones, M.G., "An Improved Model for Parallel- Element Liner Impedance Prediction," AIAA 97-1649, 1997.
4. Tijdeman, H., "On the Propagation of Sound Waves in Cylindrical Tubes," Journal of Sound and Vibration, Vol. 39, No. 1, 1975, pp. 1-33.
5. Richards, W. B., "Propagation of Sound Waves in Tubes of Noncircular Cross Section," NASA TP 2601, 1986.
6. Jones, M. G., and Stiede, P. E., "Comparison of Methods for Determining Specific Acoustic Impedance," Journal of the Acoustical Society of America, Vol. 101, No. 5, 1997, pp. 2694-2704.
7. "Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones, and a Digital Frequency Analysis System," ASTM E1050-90, 1990.