Demonstration and characterization of filtered Rayleigh scattering for planar velocity measurements
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Filtered Rayleigh scattering is an optical diagnostic technique that allows for simultaneous planar measurement of velocity, temperature, and pressure in unseeded flows. An overview of the major components of a filtered Rayleigh scattering system is presented. In particular, a detailed theoretical model is developed and discussed with associated model parameters and related uncertainties. Based on this model, results for two experimental conditions are presented: ambient room air and a Mach 2 freejet. These results include two-dimensional, spatially resolved measurements of velocity, temperature, and pressure derived from time-averaged spectra.
author list (cited authors)
Forkey, J. N., Finkelstein, N. D., Lempert, W. R., & Miles, R. B.
complete list of authors
Forkey, JN||Finkelstein, ND||Lempert, WR||Miles, RB