Grazing flow acoustic impedance testing for the NASA AST program

8th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2002, Pages

  Gallman, Judith M ^a   Kunze, Robert K ^a  

^a BOEING COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROACOUSTICS; AERODYNAMICS; MACH NUMBER; NASA; SOFTWARE TESTING;

ACOUSTIC LINERS; GRAZING FLOWS; HOLE DIAMETER; IMPEDANCE TESTING;

ACOUSTIC IMPEDANCE;

EID: 85085776651     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2002-2447     Document Type: Conference Paper

References (8)

1. Harvey H. Hubbard, editor. Aeroacoustics of Flight Vehicles: Theory and Practice, Volume 1: Noise Sources. Acoustical Society of America, Woodbury, NY, 1995.
2. American Society for Testing and Materials. Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Micropones and a Digital Frequency Analysis System, number ASTM E1050-98.
3. Michael G. Jones, Willie R. Watson, Maureen B. Tracy, and Tony L. Parrott. Comparison of two acoustic waveguide methods for determing liner impedance. 7th AIAA/CEAS Aeroacoustic Conference, (AIAA 2001-2266), May 2001.
4. David T. Sawdy, Roy J. Beckemeyer, and John D. Patterson. Analytical and experimental studies of an optimum multisegment phased liner noise suppression concept. NASA CR 134960, May 1976.
5. D. L. Armstrong. Acoustic grazing flow impedance using waveguide principles. NASA CR 120848, December 1971.
6. A. F. Seybert and D. F. Ross. Experimental determination of acoustic properties using a two microhpone randomexcitation technique. Journal of the Acoustical Society of America, Vol. 61(No. 5), May 1977.
7. J. Yu, H. W. Kwan, and S. Chiou. Microperforate plate acoustic property evaluation. 6th AIAA/CEAS Aeroacoustic Conference, (AIAA 99-1880), May 1999.
8. R. E. Kraft, J. Yu, and H. W. Kwan. Acoustic treatment design scaling methods volume 2: Impedance models for high frequency ranges. NASA Contract Report 1999-209120, April 99.