Rayleigh scattering diagnostic for measurement of velocity and density fluctuation spectra

40th AIAA Aerospace Sciences Meeting and Exhibit

Volumn , Issue , 2002, Pages

  Seasholtz, Richard G ^a   Panda, Jayanta ^b   Elam, Kristie A ^c  

^a NASA GLENN RESEARCH CENTER   (United States)

^b OHIO AEROSPACE INSTITUTE   (United States)

^c Akima Corporation   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROSPACE ENGINEERING; COMPUTER HARDWARE; DATA ACQUISITION; FABRY-PEROT INTERFEROMETERS; POWER SPECTRUM; RAYLEIGH SCATTERING; SUPERSONIC AERODYNAMICS; VELOCITY;

DENSITY FLUCTUATION; FLOW DIAGNOSTICS; MEASUREMENT OF VELOCITY; PC-BASED DATA ACQUISITION SYSTEM; RADIAL VELOCITY; SIMULTANEOUS SAMPLING; SOFTWARE AND HARDWARES; SUPERSONIC JETS;

DENSITY OF GASES;

EID: 85089110277     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2002-827     Document Type: Conference Paper

References (13)

1. Schaffar, M., "Direct measurements of the correlation between axial in-jet velocity fluctuations and farfield noise near the axis of a cold jet", J. Sound and Vibration, 64, pp. 73-83, 1979.
2. Panda, J., and Seasholtz, R.G., "Measurements of shock structure and shock-vortex interaction in underexpanded jets using Rayleigh scattering", Phys. Fluids, 11, pp. 3761-3777, 1999.
3. Panda, J. and R.G. Seasholtz, "Investigation of density fluctuations in supersonic free jets and correlation with generated noise", 6th Aero acoustics Conference, Lahaina, HI, AIAA-2000-2099, 2000.
4. Seasholtz, R.G., J. Panda, and K.A. Elam, "Rayleigh scattering diagnostic for dynamic measurement of velocity fluctuations in high speed jets", AIAA 39th Aerospace Sciences Meeting, Reno, NV, AIAA-2001-0847,2001.
5. Tenti, G., Boley, C.D. and Desai, R.C., "On the kinetic model description of Rayleigh Brillouin scattering from molecular gases", Can. J. Phys. 52, pp. 285-290, 1974.
6. Seasholtz, R.G., "High-speed anemometry based on spectrally resolved Rayleigh scattering", Fourth International Conference on Laser Anemometry, Cleveland, Ohio, 1991 [also N AS ATM-104522].
7. Seasholtz R.G. and Lock, J.A., "Gas temperature and density measurements based on spectrally resolved Rayleigh-Brillouin scattering", NASA Langley Measurement Technology Conference, Hampton, VA, 1992.
8. Vaughan, J.M., The Fabry Perot Interferometer, History, Theory, Practice and Applications, Adam Hilger, Bristol, pp. 89-112, 1989.
9. Panda, J. and Seasholtz, R.G., "Density fluctuation measurement in supersonic fully expanded jets using Rayleigh scattering", 5th AIAA/CEAS Aeroacoutics Conference, Seattle, WA, AIAA-99-1870, 1999.
10. Welch, P.D., "The use of fast Fourier transform for the estimation of power spectra: A method based on time averaging over short, modified periodograms " IEEE Trans. on Audio and Electroacoustics, AU-15, pp. 70-73, 1967.
11. Bendat, J.S., and Piersol, A.G., Engineering Applications of Correlation and Spectral Analysis, John Wiley & Sons, New York, pp. 43-56, 1980.
12. Goodman, J.W., Statistical Optics, John Wiley & Sons, New York, pp. 95-97, 1985.
13. Taub, H., and Schilling, D.L., Principles of Communication Systems, McGraw-Hill, New York, pp. 260-263, 1971.