Results 111 to 120 of about 33,802 (217)

Mass invariant in a compressible turbulent medium

Physical Review Research
Predicting the measurable statistical properties of density fluctuations in a supersonic compressible turbulent flow is a major challenge in physics.
Pierre Dumond, Jérémy Fensch, Gilles Chabrier, Etienne Jaupart   +3 more
doaj   +1 more source

Psuedospectral calculation of shock turbulence interactions [PDF]

A Chebyshev-Fourier discretization with shock fitting is used to solve the unsteady Euler equations. The method is applied to shock interactions with plane waves and with a simple model of homogeneous isotropic turbulence.
Hussaini, M. Y., Kopriva, D. A., Zang, T. A.   +2 more
core   +1 more source

Experimental study of turbulent premixed flames of gas-to-liquids (GTL) fuel in a fan-stirred combustion bomb

Results in Engineering
This study experimentally investigates the turbulent flame speeds (St) of Gas-to-Liquids (GTL) fuel and a 50/50 blend with diesel across turbulence intensities (u') ranging from 0.5 to 3.0 m/s and equivalence ratios (Φ) from 0.7 to 1.3.
Abdellatif M. Sadeq, Ahmad K. Sleiti, Samer F. Ahmed   +2 more
doaj   +1 more source

Lyapunov Analysis of Homogeneous Isotropic Turbulence

, 2009
The present work studies the isotropic and homogeneous turbulence for incompressible fluids through a specific Lyapunov analysis, assuming that the turbulence is due to the bifurcations associated to the velocity field. The analysis consists in the study of the mechanism of the energy cascade from large to small scales through the Lyapunov analysis of ...
openaire   +2 more sources

Effects of Discretization of Smagorinsky–Lilly Subgrid Scale Model on Large-Eddy Simulation of Stable Boundary Layers

Atmosphere
Large-eddy simulation (LES) models are sensitive to numerical discretization because of the large fraction of resolved turbulent energy (>80%) and the strong non-linear interactions between resolved-scale fields with the turbulence subgrid scale (SGS ...
Jonas Banhos, Georgios Matheou
doaj   +1 more source

Application of turbulence modeling to predict surface heat transfer in stagnation flow region of circular cylinder [PDF]

A theoretical analysis and numerical calculations for the turbulent flow field and for the effect of free-stream turbulence on the surface heat transfer rate of a stagnation flow are presented.
Wang, Chi R., Yeh, Frederick C.
core   +1 more source

Particle-resolved turbulence detection in complex plasmas using LSTM neural network

Machine Learning: Science and Technology
Turbulence plays an important role in fluids and plasmas, but its detection at the level of individual particles remains challenging. In this work, we introduce a long short-term memory (LSTM) neural network for the classification of turbulence in ...
Max Klein, Niklas Dormagen, Markus H Thoma, Mike Schwarz   +3 more
doaj   +1 more source

Particles in Homogeneous Isotropic Turbulence: Clustering and Relative Influence of the Forces Exerted on Particles

Fluids
A combination of lattice Boltzmann method (LBM)-based computations and Lagrangian particle tracking simulations is presented to study the dispersion and clustering of inertial particles in a forced homogeneous and isotropic turbulent flow and to analyze ...
Hamid Bellache, Pierre Chapelle, Jean-Sébastien Kroll-Rabotin   +2 more
doaj   +1 more source

Turbulent solutions of equations of fluid motion [PDF]

Some turbulent solutions of the unaveraged Navier-Stokes equations (equations of fluid motion) are reviewed. Those equations are solved numerically in order to study the nonlinear physics of incompressible turbulent flow. The three components of the mean-
Deissler, R. G.
core   +1 more source

Simulation and modeling of homogeneous, compressed turbulence [PDF]

Low Reynolds number homogeneous turbulence undergoing low Mach number isotropic and one-dimensional compression was simulated by numerically solving the Navier-Stokes equations.
Chapman, D. R., Ferziger, J. H., Wu, C. T.   +2 more
core   +1 more source