Results 11 to 20 of about 25,531 (223)

Novel Detection of Atmospheric Turbulence Profile Using Mie-Scattering Lidar Based on Non-Kolmogorov Turbulence Theory [PDF]

open access: yesEntropy, 2023
Turbulence can cause effects such as light intensity fluctuations and phase fluctuations when a laser is transmitted in the atmosphere, which has serious impacts on a number of optical engineering application effects and on climate improvement. Therefore,
Jiandong Mao   +5 more
doaj   +3 more sources

Novel Simulation and Analysis of Mie-Scattering Lidar for Detecting Atmospheric Turbulence Based on Non-Kolmogorov Turbulence Power Spectrum Model [PDF]

open access: yesEntropy, 2022
The Mie-scattering lidar can detect atmospheric turbulence intensity by using the return signals of Gaussian beams at different heights. The power spectrum method and Zernike polynomial method are used to simulate the non-Kolmogorov turbulent phase plate,
Yingnan Zhang   +3 more
doaj   +2 more sources

On non-Kolmogorov turbulence in blood flow and its possible role in mechanobiological stimulation [PDF]

open access: yesScientific Reports, 2022
The study of turbulence in physiologic blood flow is important due to its strong relevance to endothelial mechanobiology and vascular disease. Recently, Saqr et al. (Sci Rep 10, 15,492, 2020) discovered non-Kolmogorov turbulence in physiologic blood flow
Khalid M. Saqr, Iham F. Zidane
doaj   +2 more sources

Non-Kolmogorov atmospheric turbulence and optical signal propagation [PDF]

open access: yesNonlinear Processes in Geophysics, 2006
In the present review, we make an attempt to attract attention to the effect of non-Kolmogorov behavior of turbulence in various scales on the characteristics of electromagnetic waves propagation through a turbulent atmosphere on the example of certain ...
E. Golbraikh   +3 more
doaj   +5 more sources

Anisotropic Non-Kolmogorov Turbulence Spectrum with Anisotropic Tilt Angle

open access: yesPhotonics, 2021
With the in-depth study of atmospheric turbulence, scholars have identified that the anisotropy of turbulence cells should not be forgotten. The anisotropic non-Kolmogorov turbulence model can better characterize the actual situation of atmospheric ...
Chao Zhai
doaj   +2 more sources

Beam Quality Factor of Partially Coherent Airy Beam in Non-Kolmogorov Turbulence

open access: yesAtmosphere, 2022
A universal formula of the beam quality factor for a partially coherent Airy (PCA) beam in non-Kolmogorov turbulence has been investigated. Results of numerical simulation display that expanding the internal scales of non-Kolmogorov turbulence is good ...
Wei Wen, Xianwu Mi, Sirui Chen
doaj   +2 more sources

Wander of a Gaussian-Beam Wave Propagating through Kolmogorov and Non-Kolmogorov Turbulence along Laser-Satellite Communication Uplink

open access: yesAtmosphere, 2022
It is accepted that there exists two kinds of atmospheric turbulence in the Earth’s aerosphere—Kolmogorov and non-Kolmogorov turbulence; therefore, it is important to research their combined impacts on laser-satellite communications.
Fazhi Wang   +4 more
doaj   +2 more sources

Non-Kolmogorov cascade of helicity-driven turbulence [PDF]

open access: yesPhysical Review E, 2015
We solve the Navier-Stokes equations with two simultaneous forcings. One forcing is applied at a given large-scale and it injects energy. The other forcing is applied at all scales belonging to the inertial range and it injects helicity. In this way we can vary the degree of turbulence helicity from non helical to maximally helical.
Kessar, Mouloud   +3 more
openaire   +6 more sources

Oceanic non-Kolmogorov optical turbulence and spherical wave propagation

open access: yesOptics Express, 2021
Light propagation in turbulent media is conventionally studied with the help of the spatio-temporal power spectra of the refractive index fluctuations. In particular, for natural water turbulence several models for the spatial power spectra have been developed based on the classic, Kolmogorov postulates.
Jin-Ren Yao   +6 more
core   +5 more sources

Simulating non-Kolmogorov turbulence phase screens based on equivalent structure constant and its influence on simulations of beam propagation

open access: yesResults in Physics, 2017
Gaussian distribution is used to describe the power law along the propagation path and phase screen of the non-Kolmogorov turbulence is proposed based on the equivalent refractive-index structure constants.
Ming Chen   +5 more
doaj   +2 more sources

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