Non-intrusive jet noise study combining Rayleigh scattering and phased array measurement techniques

Collection of Technical Papers - 11th AIAA/CEAS Aeroacoustics Conference

Volumn 1, Issue , 2005, Pages 574-591

  Dougherty, Robert P ^a,d,e   Panda, Jayanta ^b,d,e   Lee, Sang Soo ^c,d,e  

^a OptiNav Inc   (United States)

^b OHIO AEROSPACE INSTITUTE   (United States)

^c QSS GROUP INC   (United States)

^d AIAA ^*  (United States)

^e AIAA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ARRAYS; CONVOLUTION; CORRELATION METHODS; DENSITY (SPECIFIC GRAVITY); JETS; MICROPHONES; RAY TRACING; RAYLEIGH SCATTERING;

COLD JET; PHASED ARRAY; PRESSURE WAVES; STEERING POINTS;

ACOUSTIC NOISE;

EID: 29244481707     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (9)

1. Panda, J. and R. G. Seasholtz, "Experimental investigation of density fluctuations in high-speed jets and correlation with generated noise," J. Fluid. Mech, Vol. 450, pp 97-130, 2002.
2. Panda, J. and K. B. M. Q. Zaman, "Density fluctuation in asymmetric nozzle plumes and correlation with far field noise," AIAA Paper. 2001-0378, May, 2001.
3. 2 with far field noise in high speed flows," AIAA Paper. 2002-2485, May, 2002.
4. Panda, J., "Identification of Noise Sources in High Speed Jets via Correlation Measurements - A Review", AIAA Paper 2005-2844, May, 2005.
5. Dougherty, R.P., "Derivation of the Fraunhofer diffraction formula for the Point Spread Function of an optical microscope," URL: http://www.optinav.com/ImageJplugins/Diffraction-PSF.pdf[citedMay 2005].
6. Doughery, R. P., "Advanced time-domain beamforming techniques," AIAA Paper. 2004-2955, May, 2004.
7. Doughery, R. P., "Beamforming in Acoustic Testing," Aeroacoustic Measurements, Edited by T. J. Mueller, Springer, Berlin, 2002, pp. 93-96.
8. Dougherty, R.P., "Extensions of DAMAS and benefits and limitations of deconvolution in beamforming", AIAA Paper 2005-2961, May, 2005.
9. Brooks, T. F. and W. M. Humphreys, Jr., "A deconvolution approach for the mapping of acoustic sources (DAMAS) determined from phased microphone arrays," AIAA Paper. 2004-2954, May, 2004.