... Abstract This study focuses on predicting the pollution dispersion in a street canyon using Large-Eddy Simulations (LES). The predictions are compared to wind tunnel experiments done at Karlsruhe Institute of Technology (KIT), Germany. The geometry consists of a long canyon with width-to-height...

... lip film cooling vortex LES Proceedings of the ASME 2022 Fluids Engineering Division Summer Meeting FEDSM2022 August 3-5, 2022, Toronto, Ontario, Canada FEDSM2022-87552 LARGE EDDY SIMULATION STUDY ON THE APPLICATION OF A WHISKER STRUCTURE TO THE LIP OF A TRAILING EDGE CUTBACK Yuxi Luo 1,2...

...-Eddy Simulations (LES) and analyze characteristic structures arising from these. These could include contours of velocity magnitude, as well as of levels of a passive scalar introduced into the simulated flows. We will then identify features of the structures that can be used to train the networks...

... the velocity to the vertical distance (velocity profile). We will perform a regression analysis to fit data from Large-Eddy Simulations (LES) and apply Fourier transformation from a time domain to a frequency domain. The objective is to use Fourier transform analysis to determine eddy size distribution...

... Abstract Flow over arrays of cubes is an extensively studied model problem for rough wall turbulent boundary layers. While considerable research has been performed in computationally investigating these topologies using DNS and LES, the ability of sublayer-resolved RANS to predict the bulk flow...

... room, using a commercial CFD (Computational Fluid Dynamics) software package which employs the Finite Volume Method. A LES (Large-Eddy Simulations) formulation with Smagorinsky SGS (Sub-Grid Scale) model is used. All fluid properties are assumed to be constant and corresponding to those of air at 300K...

... that after a complete parametric study, a correlation was formed between turbulent flow parameters and optical parameters of interest. LES CFD atmospheric turbulence PARAMETER SENSITIVITY AND STATISTICAL CORRELATION FOUND IN ATMOSPHERIC TURBULENCE STUDIES Luis F Rodriguez Mechanical Engineering...

... and both turbines operating in series. The field measurements include meteorological evaluation tower (MET) data and light detection and ranging (lidar) data. Computations were performed by coupling large eddy simulations (LES) in the three-dimensional, transient code Nalu-Wind with engineering actuator...

... different geometry configurations for the sled and modeling parameters will be presented. CFD turbulence model LES HHSTT hypersonic supersonic high-speed test track THE CFD MODELING OF THE WATER BRAKING PHENOMENA FOR THE HOLLOMAN HIGH-SPEED TEST TRACK Jose Terrazas Computational Science...

... documenting the effect of imposed spanwise gradient. The objective of this study is to evaluate turbulent heat flux predictions for three different classes of modeling approach: Reynolds-averaged Navier-Stokes (RANS), large-eddy simulation (LES), and hybrid RANS-LES. Results are compared to available DNS data...

... Abstract Combustion models can have a significant impact on flame simulations. While solving finite rate chemistry typically yields more accurate predictions, they depend significantly on the detailed kinetics mechanism used. To demonstrate the effect, Large Eddy Simulation (LES) of Sandia...

... by the pressure taps, some aspects of the airflow velocity profile were not in agreement with the PIV data. The computational modeling of the wind flow around the building was then performed using the Large-Eddy Simulation (LES) approach. The mean velocity magnitude predicted by the LES showed good agreement...

... fans. In this paper, 3D simulation has been done on flow field of counter-rotating fans for heat exchange, and the method of large eddy simulation (LES) and FW-H acoustic model have been used to simulate the distribution of noise field. The frequency spectrum from different sound sources has been...

... noise FH-W LES Proceedings of ASME-JSME-KSME Joint Fluids Engineering Conference 2011 AJK2011-FED July 24-29, 2011, Hamamatsu, Shizuoka, JAPAN AJK2011-06041 EXPERIMENTAL AND NUMERICAL INVESTIGATION OF BLADES EFFECT ON AERODYNAMIC PERFORMANCE OF SMALL AXIAL FLOW FAN Zhang Li Faculty...

... In this research the flow field obtained by LES technique is compared with laboratory data measured around a low rise building model with 1:1:0.3 (length: width: height) aspect ratio. The results also are compared with some other turbulence models. The turbulence models include standard k-ε...

... as the Large Eddy Simulations (LES). Particular attention was given to the case with Reynolds number of 80,000 for which the experimental data of Hussein and Matinuzzi [1] are available. The nature of the 3D wakes behind the cube as well as the vortices in front and at the back of the cube were investigated...

... The paper provides a view of some developments and a perspective on the future role of the Reynolds-averaged Navier-Stokes (RANS) approach in the computation of turbulent flows and heat transfer in competition with Large-eddy simulations (LES). It is argued that RANS will further play...

...-56165London SW7 2BY UK s.lardeau@imperial.ac.uk F-86962 Futuroscope Chasseneuil jean-paul.bonnet@lea.univ-poitiers.fr Keywords: Inflow conditions, LES, Linear Stochastic Estimation, Proper Orthogonal Decomposition ABSTRACT Due to the difficulty of specifying realistic inflow conditions for numerical...

... 04 03 2009 A grid-free method for the LES of turbulent incompressible flow is presented. The computational engine is based on the Lagrangian Vortex Element Method to account for the dynamics of the resolved vorticity field and the Vorticity Redistribution Method (VRM) to account...

...@caltech.edu sible flow, LES, dynamic model of the vortices at the downstream edge, the transmission of acoustic waves upstream, and their conversion to votical fluctuations at the cavity leading edge. This feedback process is first investigated by Rossiter [1]. His semi-empirical formula to predict...