Particle dispersion processes in two-dimensional turbulence: a comparison with 2-D kinematic simulation. [PDF]
We study numerically the comparison between Lagrangian experiments on turbulent particle dispersion in 2-D turbulent flows performed, on the one hand, on the basis of direct numerical simulations (DNS) and, on the other hand, using kinematic simulations (
R. Castilla +3 more
doaj
Riblet Drag Reduction Modeling and Simulation
One of the most interesting passive drag reduction techniques is based on the use of riblets or streamwise grooved surfaces. Detailed flow features inside the grooves can be numerically detected only by Direct Numerical Simulations (DNS), still ...
Benedetto Mele
doaj +1 more source
Predicting Drag-Reducing Wall Turbulence of Surfactant Solution by Direct Numerical Simulation
We performed direct numerical simulations (DNS) of turbulent channel flow of surfactant solution to investigate characteristics of modulated wall turbulence and turbulent drag reduction.
Takashi OHTA +2 more
doaj +1 more source
Direct numerical simulation of backward-facing step flow at Ret = 395 and expansion ratio 2 [PDF]
Backward-facing step (BFS) constitutes a canonical configuration to study wallbounded flows subject to massive expansions produced by abrupt changes in geometry.
Gorobets, Andrei +3 more
core +2 more sources
Benchmark on the Dynamics of Liquid Draining Inside a Tank [PDF]
Immense information and details observation of flow physics inside a draining tank can be achieved by adopting reliable numerical simulations. Yet the accuracy of numerical results has been always debatable and it is mainly affected by the grid ...
Mohd Sakri Fadhilah +2 more
doaj +1 more source
Direct numerical simulation (DNS) investigation of turbulent open channel flow of a Herschel-Bulkley fluid [PDF]
In this research, the turbulent behaviour of non-Newtonian suspensions in open channel conditions will be examined and investigated. With lack of fundamental understanding about the mechanisms involved about how turbulent flows of non-Newtonian fluid transport suspension particles, direct numerical simulation may come into the research as a useful ...
Raymond Guang +4 more
openaire +1 more source
DNS and Combined Laser Diagnostics of Turbulent Combustion
With the developments of computer technologies, three-dimensional direct numerical simulations (DNS) of turbulent combustion have been realized with a detailed or reduced kinetic mechanism.
Mamoru TANAHASHI +3 more
doaj +1 more source
Direct Numerical Simulation (DNS) serves as an irreplaceable tool to probe the complexities of multiphase flow and identify turbulent mechanisms that elude conventional experimental measurement techniques.
Ben Magolan +5 more
doaj +1 more source
Differential Diffusion Effects in Numerical Simulations on Smoke Toxicity Evaluation
With the increasing frequency of fire caused by construction materials, smoke toxicity evaluation plays a key role in related fields. Numerical simulation has become a popular method to predict the toxicity of smoke. A computational study of differential
Pan Longwei +4 more
doaj +1 more source
Transition stages of Rayleigh–Taylor instability between miscible fluids [PDF]
Direct numerical simulations (DNS) are presented of three-dimensional, Rayleigh–Taylor instability (RTI) between two incompressible, miscible fluids, with a 3:1 density ratio.
Cook, Andrew W., Dimotakis, Paul E.
core +5 more sources

