Results 121 to 130 of about 25,531 (223)

A study of magnetic fluctuations and their anomalous scaling in the solar wind: the Ulysses fast-latitude scan [PDF]

Nonlinear Processes in Geophysics, 2001
The solar wind is a highly turbulent and intermittent medium at frequencies between 10-4 and 10-1 Hz. Power spectra are used to look at fluctuations in the components of the magnetic field at high frequencies over a wide range of latitudes.
c. Pagel, A. Balogh
doaj  

Qualitative meta-synthesis comparing non-Newtonian, non-Kolmogorov, and modified Krieger computational fluid dynamics models exploring the intracranial aneurysm dynamics: state of the art

Interdisciplinary Neurosurgery
Background: Computational fluid dynamics (CFD) models are crucial for examining blood flow and the morphology of brain aneurysms. These models are used to enhance the understanding of the formation, rupture, and post-treatment behavior of aneurysms.
Yao Christian Hugues Dokponou, Abdessamad El Ouahabi, Mahjouba Boutarbouch   +2 more
doaj   +1 more source

Spreading of partially coherent Hermite-Gaussian beams through a non-Kolmogorov turbulence

, 2011
Based on extended Huygens-Fresnel principle, an analytical expression for beam width of partially coherent Hermite-Gaussian (PCHG) beam through non-Kolmogorov turbulence is derived. The effects of inner scale l(0). outer scale L(0), exponent value alpha,
Wu, Guohua, Dang, Anhong, Yu, Song, Zhao, Tonggang, Guohua Wu, Guo, Hong, Bin Luo, Hong Guo, Luo, Bin, Anhong Dang, Song Yu, Tonggang Zhao   +11 more
core   +1 more source

Profiling the turbulent atmosphere and novel correction techniques for imaging and photometry in astronomy [PDF]

, 2010
The turbulent atmosphere has two detrimental effects in astronomy. The phase aberration induced by the turbulence broaden the point spread function (PSF) and limits the resolution for imaging.
OSBORN, JAMES
core  

Stochastic decomposition of atmospheric turbulence

, 2022
Gustiness and pronounced intermittent behavior of wind speed measurements in the turbulent atmospheric boundary layer are analysed. A new set of parameters is worked out which finally shows that the two-time statistics of atmospheric turbulence is ...
Morales, A., Peinke, J., Wächter, M.
core  

SLM-based laboratory simulations of Kolmogorov and non-Kolmogorov anisotropic turbulence

, 2015
In this paper, we present a laboratory setup to simulate anisotropic, non-Kolmogorov turbulence. A sequence of numerical phase screens that incorporate the turbulence characteristics were applied to a spatial light modulator placed in the path of a laser
Toselli, Italo, Xiao, Xifeng, Voelz, David G, Korotkova, Olga   +3 more
core   +1 more source

The polarization and coherence behavior of the flat-topped array beam through non-Kolmogorov turbulence

, 2019
In the present paper, investigation on the polarization and coherence fluctuations of a flat-topped array beam in non-Kolmogorov atmospheric optics links has been presented.
Golmohammady, Shole, Ghafary, Bijan
core   +1 more source

Quadratic Vortex Optical Pin Beam With OAM Mode Anti-Degradation Characteristic

IEEE Photonics Journal
Orbital angular momentum (OAM) signal mode crosstalk and energy loss induced by atmospheric turbulence are challenging phenomena commonly occurring in high-capacity and high-speed OAM-based free-space optical communications. In this paper, we combine the
Huahua Wang, Meiling Guan, Hongyue Xiao, Hongwei Jiang, Changqi Zhang, Yang Liu, Fei Chen, Lu Gao, Ze Zhang   +8 more
doaj   +1 more source

THE MODELING OF UNSTEADY TURBULENT FLOWS IN TURBOMACHINES

TASK Quarterly, 2001
The suitability of existing models for the simulation of flow through turbomachines is investigated and compared with a recently proposed adaptive turbulence model.
FRANCO MAGAGNATO
doaj  

Non Kolmogorov-like Turbulence in the Local Interstellar Medium

, 2008
Paper is accepted for publication in ASP Conference ...
openaire   +2 more sources