首页> 外文期刊>Berichte des Meteorologischen Institutes der Universitat Freiburg >Large-eddy simulation of the aerodynamic interactionsbetween canopy roughness sublayer turbulence and tree-sway motions
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Large-eddy simulation of the aerodynamic interactionsbetween canopy roughness sublayer turbulence and tree-sway motions

机译:冠层粗糙度子层湍流与摇摆运动之间空气动力相互作用的大涡模拟

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摘要

The overall goals of this study are to incorporate tree-sway physics into Large-Eddy Simulation(LES) of canopy roughness sublayer (CRSL) turbulence in and above forest canopies, and touse the coupled LES-tree-sway-model to study the aerodynamic interactions between CRSLcoherent gusts and tree-sway motions over a range of atmospheric conditions and canopy mor-phology. The focus of this presentation is to quantify the influences of tree-sway motions on thecharacteristics of CRSL turbulence in and above a hoirzontally homogeneous forest by compar-ing two LES runs with and without coupling with a tree-sway model.
机译:这项研究的总体目标是将树木摇摆物理学纳入森林冠层内部和上方的冠层粗糙度亚层(CRSL)湍流的大涡模拟中,并使用耦合的树木摇摆模型研究空气动力学。在一系列大气条件和冠层形态学上,CRSL相干阵风与树木摇摆运动之间的相互作用。本演讲的重点是通过比较两个带有和不带有树木摇摆模型的LES进行的比较,来定量分析树木摇摆运动对水平均匀林中和上方CRSL湍流特征的影响。

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