Method of estimation of turbulence characteristic scales

Details Method of estimation of turbulence characteristic scales Method of estimation of turbulence characteristic scales

2011-12-27

arxiv.org/abs/1112.6033v1

Physics

Atmospheric and Oceanic Physics

7 pages, 9 figures

Scientific paper

Here we propose an optical method that use phase data of a laser beam obtained from Shack-Hartmann sensor to estimate both inner and outer scales of turbulence. The method is based on the sequential analysis of normalized correlation functions of Zernike coefficients. It allows excluding the value of refractive index structural constant from the analysis and reduces the solution of a two-parameter problem to sequential solution of two single-parameter problems. The method has been applied to analyze the results of measurements of the laser beam that propagated through a water cell with induced turbulence and yielded estimates for outer and inner scales.

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