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인용수 7
·2022
Meandering features of wall-attached structures in turbulent boundary layer
Jinyul Hwang, Jae Hwa Lee
IF 2.8Physical Review Fluids
초록

In wall turbulence, meandering behaviors of large-scale structures observed in the logarithmic layer is a crucial spatial feature for understanding the spatial organization of these structures and improving the structure-based turbulence model. These structures extend from the near-wall region to the edge of boundary layers. Their meandering motions leave an imprint on the two-point turbulence statistics across the flow, especially in the logarithmic region. Here, we demonstrate the influence of the meandering motions of wall-attached structures on the two-point correlation and premultiplied two-dimensional spectra by analyzing direct numerical simulation data of the turbulent boundary layer.

키워드
TurbulenceBoundary layerScale (ratio)LogarithmBoundary (topology)GeometryMechanicsPoint (geometry)Direct numerical simulationGeology
타입
article
IF / 인용수
2.8 / 7
게재 연도
2022

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