Results 31 to 40 of about 5,842,750 (244)

Pressure fluctuation prediction in pump mode using large eddy simulation and unsteady Reynolds-averaged Navier–Stokes in a pump–turbine

open access: yesAdvances in Mechanical Engineering, 2016
For pump–turbines, most of the instabilities couple with high-level pressure fluctuations, which are harmful to pump–turbines, even the whole units. In order to understand the causes of pressure fluctuations and reduce their amplitudes, proper numerical ...
De-You Li   +5 more
doaj   +1 more source

Large Eddy Simulation (LES) for IC Engine Flows

open access: yesOil & Gas Science and Technology, 2013
Numerical computations are carried out using an engineering-level Large Eddy Simulation (LES) model that is provided by a commercial CFD code CONVERGE.
Kuo Tang-Wei   +3 more
doaj   +1 more source

Large eddy simulation of sediment transport over rippled beds [PDF]

open access: yesNonlinear Processes in Geophysics, 2014
Wave-induced boundary layer (BL) flows over sandy rippled bottoms are studied using a numerical model that applies a one-way coupling of a "far-field" inviscid flow model to a "near-field" large eddy simulation (LES) Navier–Stokes (NS) model.
J. C. Harris, S. T. Grilli
doaj   +1 more source

Modeling of Breaching-Generated Turbidity Currents Using Large Eddy Simulation

open access: yesJournal of Marine Science and Engineering, 2020
Breaching flow slides result in a turbidity current running over and directly interacting with the eroding, submarine slope surface, thereby promoting further sediment erosion. The investigation and understanding of this current are crucial, as it is the
Said Alhaddad   +3 more
doaj   +1 more source

MicroHH 1.0: a computational fluid dynamics code for direct numerical simulation and large-eddy simulation of atmospheric boundary layer flows

open access: yes, 2017
. This paper describes MicroHH 1.0, a new and open-source ( www.microhh.org ) computational fluid dynamics code for the simulation of turbulent flows in the atmosphere.
C. V. Heerwaarden   +5 more
semanticscholar   +1 more source

Numerical dissipation vs. subgrid-scale modelling for large eddy simulation

open access: yesJournal of Computational Physics, 2017
This study presents an alternative way to perform large eddy simulation based on a targeted numerical dissipation introduced by the discretization of the viscous term.
T. Dairay   +3 more
semanticscholar   +1 more source

Simulation of three-dimensional homogeneous isotropic turbulence using the moment-based lattice Boltzmann method and LES-lattice Boltzmann method

open access: yesJournal of Fluid Science and Technology, 2014
Three-dimensional homogeneous isotropic turbulence simulations are conducted using moment-based lattice Boltzmann method and the large-eddy simulation based lattice Boltzmann method.
Muhammad IZHAM   +2 more
doaj   +1 more source

Large-eddy simulation on the influence of injection pressure in reacting Spray A

open access: yes, 2018
The Engine Combustion Network (ECN) Spray A target case corresponds to high-pressure liquid fuel injection in conditions relevant to diesel engines. Following the procedure by Wehrfritz et al.
H. Kahila   +6 more
semanticscholar   +1 more source

Large Eddy Simulation of stratified flows over structures

open access: yesEPJ Web of Conferences, 2013
We tested the ability of the LES model CLMM (Charles University Large-Eddy Microscale Model) to model the stratified flow around three dimensional hills.
Brechler J., Fuka V.
doaj   +1 more source

Large-Eddy Simulation Analyses of Heated Urban Canyon Facades

open access: yesEnergies, 2021
Thermal convective flows are common phenomena in real urban canyons and strongly affect the mechanisms of pollutant removal from the canyon. The present contribution aims at investigating the complex interaction between inertial and thermal forces within
Carlo Cintolesi   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy