Impact of fluidic chevrons on supersonic jet noise

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

Volumn , Issue , 2007, Pages

  Henderson, Brenda ^a   Norum, Thomas ^a  

^a NASA LANGLEY RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC SPECTRA; DUAL STREAM JETS; FLUIDIC CHEVRONS; HIGH-FREQUENCY NOISE; INJECTION PRESSURES; NOZZLE PRESSURE RATIO; OBSERVATION ANGLE; SUPERSONIC SPEED;

ACOUSTIC NOISE MEASUREMENT; AEROACOUSTICS; EXPERIMENTS; MIXING; NOISE ABATEMENT; NOZZLES; SUPERSONIC AERODYNAMICS;

ACOUSTIC NOISE;

EID: 84884768475     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (12)

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3. Tam, C., "Stochastic model theory of broadband shock associated noise from supersonic jets, " J. Sound and Vib., Vol 116, pt. 2, pp. 265-302, 1987.
4. Tam, C., "Broadband shock-associated noise from supersonic jets in flight, " J. Sound and Vib., Vol. 151, pt. 1, pp. 131-147, 1991.
5. Bhat, T., Ganz, U., and Guthrie, A., "Acoustic & flow-field characteristics of shock-cell noise from dual flow nozzles, " AIAA-2005-2929, 2005.
6. Pack, D. C., "A note on Prandtl's formula for the wave-length of a supersonic gas jet, " Quart. Journal of Mechanics and Applied Math., Vol. III, pt. 2, pp. 173-181, 1950.
7. Greska, B., and Krothapalli, A., "Jet noise reduction using aqueous microjet injection, " AIAA-2004-2971, 2004.
8. Norum, T., "Reductions in multi-component jet noise by water injection, " AIAA-2004-2976, 2004.
9. Janardan, B., Hoff, G., Barter, J., Martens, S., and Gliebe, P., "AST critical propulsion and noise reduction technologies for future commercial subsonic engines, " NASA/CR-2000-210039, 2000.
10. Kinzie, K., Henderson, B., Whitmire, J., and Abeysinghe, A., "Fluidic chevrons for jet noise reduction, " Proceedings of The 2004 International Symposium on Active Control of Sound and Vibration (ACTIVE 04), INCE/USA, Williamsburg, VA, 2004.
11. Henderson, B., Kinzie, K., Whitmire, J., and Abeysinghe, A., "Impact of fluidic chevrons on jet noise, " AIAA-2005-2888, 2005.
12. Shields, F. D. and Bass, H. E., "A study of atmospheric absorption of high frequency noise and application to fractional octave bands of noise, " NASA Contractor Report 2760, 1976.