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Motivated by the dynamics of the atmospheric boundary layer, the present work examines the influence of Coriolis acceleration on wall -bounded turbulence . The large - scale structures of an Ekman ...
A definition for the large - scale coherent structure is presented, and the nature and role of coherent structures in turbulent shear flows are examined. The equations governing the coherent motions ...
. The large - scale motions are also excited with the spanwise length scales of the turbulent boundary layer thicknesses, which, by reasoning, is caused by nonlinear interactions between wall disturbances ...
for the SGS-Reynolds term plays a role in the enhancement of the wall -normal velocity fluctuation close to the cut-off scale . Thereby, it activates turbulence close to the cut-off scale , leading ...
structures occurring preferentially over the converging section of riblets play a role in elevating T/NTI while the large - scale high-speed ones over the diverging section of riblets lowering down T/NTI. ...
Abstract: The interactions between the near- wall streaks and the large - scale motions (LSMs) of the outer region of wall -bounded turbulent flows are investigated. The co-supporting hypothesis of Toh ...
Abstract: The interactions between the near- wall streaks and the large - scale motions (LSMs) of the outer region of wall -bounded turbulent flows are investigated. The co-supporting hypothesis of Toh ...
A definition for the large - scale coherent structure is presented, and the nature and role of coherent structures in turbulent shear flows are examined. The equations governing the coherent motions ...
(2018) 100:651–673 https://doi.org/10.1007/s10494-017-9871-5 Large - Scale Streamwise Vortices in Turbulent Channel Flow Induced by Active Wall Actuations 1,2 1 1,2 Weidan Ni · Lipeng Lu · Jian Fang · 2 3 ...
Abstract: This study discusses the necessity of anisotropic subgrid- scale (SGS) stress in large -eddy simulations (LESs) of turbulent shear flows using a coarse grid resolution. We decompose the SGS ...
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