Results 121 to 130 of about 26,008 (308)

Large Eddy Simulation of separating flows from curved surfaces

open access: yes, 2004
PhDThe capabilities and limitations of LES in predicting separation from curved surfaces at high Reynolds number are at the centre of this Thesis. Issues of particular interest are mesh resolution, subgrid-scale modelling and near-wall approximations ...
Temmerman, L, Temmerman, L.
core  

Spectral-element simulations of variable-density turbulent flow in a plane channel

open access: yesEPJ Web of Conferences, 2017
We perform Large-eddy simulations (LES) of the turbulent flow in a channel with isothermal heated walls with the temperature ratio equal to 2. The variable properties of the fluid are accounted for by using the low Mach number approximation. The Reynolds
Ryzhenkov Vladimir   +3 more
doaj   +1 more source

The Time Scale of Shallow Convective Self-Aggregation in Large-Eddy Simulations Is Sensitive to Numerics. [PDF]

open access: yesJ Adv Model Earth Syst, 2023
Janssens M   +6 more
europepmc   +1 more source

Quantification of Sulfonated Polyacrylamides by SEC‐UV in Produced Water: Validation and Oilfield Case Study

open access: yesJournal of Applied Polymer Science, EarlyView.
Size exclusion chromatography with UV–vis detection, combined with ultrasonication pretreatment, enables sensitive detection and quantification of back‐produced polymer at very low concentrations in produced water. This approach supports reliable polymer monitoring and offers a practical route to improve surveillance of polymer flooding performance ...
Eduardo José Creatto   +6 more
wiley   +1 more source

Explicit Algebraic Subgrid Stress Models for Large Eddy Simulation

open access: yes, 2010
New explicit subgrid stress models have been developed which are based on the same methodology that leads to the EARSM formulation for RANS. The subgrid models involve the strain rate and rotation rate tensor, and can account for rotation in a natural ...
Johansson, Arne V.,   +5 more
core   +1 more source

First Assessment of Cloud‐Land Coupling in LASSO Large‐Eddy Simulations

open access: yesGeophysical Research Letters
To enhance our understanding of cloud simulations over land, this study provides the first assessment of coupling between cloud and land surface in the Large‐Eddy Simulation (LES) Atmospheric Radiation Measurement Symbiotic Simulation and Observation ...
Haipeng Zhang   +3 more
doaj   +1 more source

Impacts of body donor non‐anonymization on students' educational and humanistic development: A systematic review

open access: yesAnatomical Sciences Education, EarlyView.
Abstract A recent trend in healthcare education has been the increasing emphasis on the development of humanism and empathy in students. Within anatomy education, some institutions have implemented curricular innovations such as donor non‐anonymization to facilitate this development.
Rodrigo Muscogliati   +5 more
wiley   +1 more source

Experimental Assessment of ‘subgrid’ scale Probability Density Function Models for Large Eddy Simulation

open access: yes, 2012
Filtered density functions (FDFs) of mixture fraction are quantified by analyzing experimental data obtained from two-dimensional planar laser-induced fluorescence scalar measurements in the isothermal swirling flow of a combustor operating at a ...
Hardalupas, Y.   +7 more
core  

Large Eddy Simulations of Miscible Rayleigh-Taylor Instability [PDF]

open access: yes, 2003
Rayleigh-Taylor (RT) instability occurs when fluids of different density are subject to an acceleration-induced pressure gradient opposite in direction to the density gradient. The instability is driven by buoyancy forces due to local density variations.
Dimotakis, Paul E.   +2 more
core  

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