[PDF] Top 20 Large Eddy Simulation of the Flat Plate Turbulent Boundary Layer at High Reynolds Numbers

... concerning boundary conditions and the details of implementation of the method (Kim and Moin ...velocity boundary condition and zero-normal-pressure gradient, and several modification on boundary ... See full document

... a flat-plate turbulent boundary layer at Mach=5 with homogeneous spanwise direction, and a time series of flow slices at the particular streamwise section is extracted and ...the ... See full document

... the Reynolds number, a ratio of inertial (ρu 2 ) to viscous forces (µ L u ) per unit ...low Reynolds numbers, the viscous forces are dominant, forcing the flow to more easily remain smooth and ... See full document

... rough-walled turbulent boundary layer with sand-grain roughness length-scale k s = αx that varies linearly with streamwise distance is first developed, with α a dimensionless ...For large Re x ... See full document

... Transonic turbulent boundary-layer flow over a circular-arc bump has been computed by high-resolution large-eddy simulation of the compressible Navier–Stokes ...the ... See full document

... This setup is based on the observation data (see Koso- vi´c and Curry, 2000). As was shown in Beare et al. (2006), the LES results obtained under the same conditions with the different models converged with the higher ... See full document

... normalized Reynolds shear stress and the wind tunnel measured data in the whole ABL, while Figure 4 (right) shows the surface layer, where the SGS and resolved contributions to the total are also ...upper ... See full document

... experimental boundary layer data. In this step, a boundary layer code or a two dimensional RANS code are used to calculate the flow over a flat ...the boundary layer ... See full document

... and turbulent regimes in flat plate heat exchangers were considered by Pinson et ...for turbulent boundary layer, to solve the momentum and thermal energy equations in their ... See full document

... We first compare our basic flow statistics (see FIG. 3) with DNS results and experimental data at similar Mach numbers. The purposes of this comparison are to support the reliability of our calculations and to ... See full document

... Large-Eddy Simulation of a Mach ...spatially-developing turbulent boundary layer along a flat plate is carried ...the simulation results are validated with ... See full document

... of high-performance computing (HPC) platforms, modern computational fluid dynamics (CFD) technique is now playing a much more important role in aerodynamic ...numerical simulation (DNS) and ... See full document

... the Reynolds number Re=4170. The results of sphere situated near to flat plate were straightly founded by numerical ...in boundary layer of sphere, in addition the effect of g/d on the ... See full document

... values in both distributions, therefore, may lead to rare excursions such as the reorienta- tion of the LSC or the appearance of local events of a negative streamwise wall shear stress (the latter ones could be validated ... See full document

... The magnitude of η is dependent on the design of the flukes, with AR being the most important morphological variable (Table 3; Bose and Lien, 1989). High AR and tapering of the flukes reduces drag while maximizing ... See full document

... which Reynolds stresses could be linked to the mean rate of ...on Reynolds Average Navier-Stokes equations ...the eddy- viscosity stress-strain relationship which, finally, constitutes the - ... See full document

... body depend on the nature of the boundary layer. Unlike the drag on a rigid body, such as an airplane wing, the drag on a swimming fish cannot be measured by simply placing a fish- shaped model in a wind or ... See full document

... In this study, numerical simulations of transient turbulent pipe flow were performed using LES to investigate the response of unsteady turbulence to temporal acceleration. The response of the transient flow after ... See full document

... upstream boundary layer (Stewartson, Hall) and to the Goldstein form for the near ...the plate, however, namely its effectively elliptic character due to the expanding coordinates ... See full document

... and large-scale and very-large-scale motions (LSMs and VLSMs, respectively), as- sociated with turbulent bulges and organization of bulges, O(2 − 3δ ) and O(10δ ) respectively ...with ... See full document