.... Large eddy simulation (LES) is employed to explore the flow physics around a NACA0012 airfoil in ground vicinity, which is commonly used in wind energy applications. The angle of attack (AoA) is fixed at AoA = 10 deg, while the flight height to chord ratio (h/c) is variable. An analysis is conducted...

...Longlong Yan; Bo Gao; Dan Ni; Ning Zhang; Wenjie Zhou To accurately capture the behaviors of cavitation and reveal the unsteady cavitating flow mechanism, a condensate pump inducer is numerically analyzed in a separate numerical experiment with large eddy simulation (LES) at critical cavitation...

...Yoshinobu Yamade; Chisachi Kato; Takahide Nagahara; Jun Matsui The origin, formation mechanism, and dynamics of suction vortices in a pump sump have been clarified by large eddy simulation (LES) applied to two different computational models. The first one is a pump-sump model with uniform flow...

... 21, 2014; published online January 14, 2015. Assoc. Editor: Sharath S. Girimaji. 28 07 2013 21 11 2014 14 01 2015 Accurate subgrid-scale (SGS) scalar flux models are essential when large eddy simulation (LES) is used to represent flow, mixing and transport of passive...

... [14] White , F. M. , 2010 , Fluid Mechanics , 7th ed. , McGraw-Hill , New York . [15] Dhotre , M. T. , Niceno , B. , and Smith , B. L. , 2008 , “ Large Eddy Simulation of a Bubble Column Using Dynamic Sub-grid Scale Model ,” Chem. Eng. J. , 136 ( 2 ), pp. 337 – 348...

..., 2013; final manuscript received January 14, 2014; published online March 17, 2014. Assoc. Editor: Olivier Coutier-Delgosha. 03 04 2013 14 01 2014 Cavitation generally occurs where the pressure is lower than the saturated vapor pressure. Based on large eddy simulation (LES...

...A. Bhattacharya; S. D. Yu Comprehensive computational fluid dynamics (CFD) models are developed and analyzed in this paper to study the three-dimensional flow through simulated nuclear fuel bundles with angular misalignments inside a pressure tube. The large eddy simulation (LES) scheme is employed...

.... The study shows that satisfactory results can be obtained by large eddy simulation (LES), especially when fluctuating wind velocity is considered in the inflow boundary. Distribution of mean pressure coefficients on front faces is relatively regular. Large fluctuating pressure coefficients are induced...

... and they are inclined normally into the hot cross-flow. The finite volume method and the SIMPLE algorithm on a multiblock nonuniform staggered grid were applied. The large-eddy simulation approach with three different subgrid scale models was used. The obtained results showed that this flow configuration reduces...

.... A large eddy simulation solver, which is incorporated with a macroscopic cavitation model, is applied to simulate the unsteady cavitating flows. Based on the simulated flow field, the evolution of the cavitation bubbles is determined by a microscopic cavitation model from the resolution of a Rayleigh...

...F. Abbasian; S. D. Yu; J. Cao Large eddy simulation (LES) is employed in this paper to model the axial flow along a circular array of rods with a focus on anisotropic large-scale turbulence. The circular array consists of four whole rods and eight half rods, with a pitch-to-diameter ratio of 1.08...

...G. Yu; E. J. Avital; J. J. R. Williams Flows past a free surface piercing cylinder are studied numerically by large eddy simulation at Froude numbers up to Fr D = 3.0 and Reynolds numbers up to Re D = 1 × 10 5 . A two-phase volume of fluid technique is employed to simulate the air-water flow...

... to predict the mean flow, velocity spectra, Reynolds stresses, and the temporal decay of the mass of a passive contaminant introduced instantaneously inside the cavity are assessed based on comparisons with results from a well resolved large eddy simulation (LES) simulation of the same flow conducted...

... involves large-scale separations, as shown by a previous study by Tsujimoto et al. (2005). On the other hand, the numerical approach using the Large Eddy Simulation (LES) technique has the potential to predict unsteady flows and/or flow fields that include regions of large-scale separation much more...

... of viscoelastic fibers in which the fluid flow is predicted by a method that is a hybrid between direct numerical simulations and large eddy simulation techniques and fluid fibrous structure interactions will be taken into account. Dynamics of simple fiber networks in a shearing flow of water in a channel flow...

...Siniša Krajnović; Lars Davidson Results of a large eddy simulation (LES) are used to explore the flow around a generic car model. A new, refined picture of this flow is established. Many parts and aspects of this flow are studied and explained. The development of the instantaneous flow and its...

...Siniša Krajnović; Lars Davidson Large eddy simulations (LES) were made of flows around a generic ground vehicle with sharp edges at the rear end (an Ahmed body with a 25° angle of the rear slanted surface). Separation of the flow at the rear results in large regions with recirculating flow...