Results 61 to 70 of about 21,860,116 (312)
The parameterisation of turbulence in the marine environment [PDF]
, 2016 There are many problems in the fields of flow modelling around structures and tidal stream energy yield analysis which require a thorough understanding of the turbulent and time-averaged flow speeds in marine environments.
Hardisty, Jack, Jennings, Ross
core +1 more source
Turbulence Generation from a stochastic wavelet model [PDF]
, 2017 This research presents a new turbulence generation method based on stochastic wavelets and tests its various properties in both homogeneous and inhomogeneous turbulence. Turbulence field can be generated with less basis compared to previous synthetic Fourier methods.
arxiv +1 more source
Turbulent diffusion of chemically reacting gaseous admixtures [PDF]
Physical Review E, Volume 90, Issue 5, id.053001 (2014), 2014 We study turbulent diffusion of chemically reacting gaseous admixtures in a developed turbulence. In our previous study [Phys. Rev. Lett. {\bf 80}, 69 (1998)] using a path-integral approach for a delta-correlated in time random velocity field, we demonstrated a strong modification of turbulent transport in fluid flows with chemical reactions or phase ...
arxiv +1 more source
On dissipation time scales of the basic second-order moments: the effect on the Energy and Flux-Budget (EFB) turbulence closure for stably stratified turbulence [PDF]
Nonlinear Processes in Geophysics, 31, 395-408 (2024), 2023 The dissipation rates of the basic second-order moments are the key parameters playing a vital role in turbulence modelling and controlling turbulence energetics and spectra and turbulent fluxes of momentum and heat. In this paper, we use the results of direct numerical simulations (DNSs) to evaluate dissipation rates of the basic second-order moments ...
arxiv
Inclusion of Turbulence in Solar Modeling [PDF]
The Astrophysical Journal, 2002 The general consensus is that in order to reproduce the observed solar p-mode oscillation frequencies, turbulence should be included in solar models. However, until now there has not been any well-tested efficient method to incorporate turbulence into solar modeling.
Guenther, David B. +4 more
openaire +5 more sources
Simulations of stellar convection, pulsation and semiconvection [PDF]
, 2010 We report on modelling in stellar astrophysics with the ANTARES code. First, we describe properties of turbulence in solar granulation as seen in high-resolution calculations.
Bascoul +13 more
core +1 more source
Attractors for a deconvolution model of turbulence
Applied Mathematics Letters, 2009 We consider a deconvolution model for 3D periodic flows. We show the existence of a global attractor for the model.
Lewandowski, Roger, Preaux, Yves
openaire +5 more sources
CONFORMAL MODELS OF MAGNETOHYDRODYNAMIC TURBULENCE [PDF]
International Journal of Modern Physics A, 1996 Following the previous work of Ferretti and Yang on the role of magnetic fields in the theory of conformal turbulence, we show that nonunitary minimal model solutions to two-dimensional magnetohydrodynamics (MHD) obtained by dimensional reduction from three dimensions exist under different (and more restrictive) conditions.
Steven Thomas, Omduth Coceal
openaire +3 more sources
Chemical Engineering Transactions, 2014 The purpose of the current work is to investigate the flow behaviour of both a straight and a slightly rotating turbulent free jet by means of CFD and RANS-turbulence modelling.
M. Miltner, C. Jordan, M. Harasek
doaj +1 more source
Anisotropic shell model of turbulence
Physical Review E, 2011 An anisotropic shell model has been proposed for two-dimensional (2D) turbulence. It is similar to the 2D version of the Gledzer-Ohkitani-Yamada model but with the angular variable in wave-number space divided into three distinct directions representing structures elongated in different directions.
Özgür D. Gürcan +2 more
openaire +4 more sources