Validity of Kolmogorov turbulence at higher elevations

A. Zilberman; E. Golbraikh; N. S. Kopeika

doi:10.1117/12.532388

Validity of Kolmogorov turbulence at higher elevations

A. Zilberman, E. Golbraikh, N. S. Kopeika

Research output: Contribution to journal › Conference article › peer-review

3 Scopus citations

Abstract

Most models of optical radiation propagation through turbulent media are based on the assumption that turbulence is of Komogorov's type. It is assumed, also, that this type of turbulence corresponds to fluctuations of passive scalar field (temperature, aerosol, etc.). In the present report we demonstrate that in a real atmosphere (above the surface layer) the turbulent field of passive scalar fluctuations can differ from Kolmogorov's model. From the spectrum of the intensity fluctuation of LIDAR signals scattered by aerosol concentration inhomogeneities, the behavior of atmospheric turbulence spectrum (power law exponent γ) is estimated. As follows from the experimental data the power law exponent of the turbulent spectra should be different from the case of purely Kolmogorov's (-5/3).

Original language	English
Pages (from-to)	298-305
Number of pages	8
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5338
DOIs	https://doi.org/10.1117/12.532388
State	Published - 16 Aug 2004
Event	Free-Space Laser Communications Technologies XVI - San Jose, CA, United States Duration: 27 Jan 2004 → 29 Jan 2004

Keywords

Aerosol
Kolmogorov turbulence
Lidar
Turbulence spectrum

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.532388

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title = "Validity of Kolmogorov turbulence at higher elevations",

abstract = "Most models of optical radiation propagation through turbulent media are based on the assumption that turbulence is of Komogorov's type. It is assumed, also, that this type of turbulence corresponds to fluctuations of passive scalar field (temperature, aerosol, etc.). In the present report we demonstrate that in a real atmosphere (above the surface layer) the turbulent field of passive scalar fluctuations can differ from Kolmogorov's model. From the spectrum of the intensity fluctuation of LIDAR signals scattered by aerosol concentration inhomogeneities, the behavior of atmospheric turbulence spectrum (power law exponent γ) is estimated. As follows from the experimental data the power law exponent of the turbulent spectra should be different from the case of purely Kolmogorov's (-5/3).",

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T1 - Validity of Kolmogorov turbulence at higher elevations

AU - Zilberman, A.

AU - Golbraikh, E.

AU - Kopeika, N. S.

PY - 2004/8/16

Y1 - 2004/8/16

N2 - Most models of optical radiation propagation through turbulent media are based on the assumption that turbulence is of Komogorov's type. It is assumed, also, that this type of turbulence corresponds to fluctuations of passive scalar field (temperature, aerosol, etc.). In the present report we demonstrate that in a real atmosphere (above the surface layer) the turbulent field of passive scalar fluctuations can differ from Kolmogorov's model. From the spectrum of the intensity fluctuation of LIDAR signals scattered by aerosol concentration inhomogeneities, the behavior of atmospheric turbulence spectrum (power law exponent γ) is estimated. As follows from the experimental data the power law exponent of the turbulent spectra should be different from the case of purely Kolmogorov's (-5/3).

AB - Most models of optical radiation propagation through turbulent media are based on the assumption that turbulence is of Komogorov's type. It is assumed, also, that this type of turbulence corresponds to fluctuations of passive scalar field (temperature, aerosol, etc.). In the present report we demonstrate that in a real atmosphere (above the surface layer) the turbulent field of passive scalar fluctuations can differ from Kolmogorov's model. From the spectrum of the intensity fluctuation of LIDAR signals scattered by aerosol concentration inhomogeneities, the behavior of atmospheric turbulence spectrum (power law exponent γ) is estimated. As follows from the experimental data the power law exponent of the turbulent spectra should be different from the case of purely Kolmogorov's (-5/3).

KW - Aerosol

KW - Kolmogorov turbulence

KW - Lidar

KW - Turbulence spectrum

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JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Free-Space Laser Communications Technologies XVI

Y2 - 27 January 2004 through 29 January 2004

ER -

Validity of Kolmogorov turbulence at higher elevations

Abstract

Keywords

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