附著渦模型在大氣和海洋邊界層中的應用

Translated title of the contribution: Application of the attached eddy hypothesis in atmospheric boundary layers

Vikrant Gupta, 萬敏平, Larry K.B. Li, 馮大川 Dachuan*

*Corresponding author for this work

Research output: Contribution to conference › Conference Paper › peer-review

Abstract

基于Townsend的附著渦假設,附著渦模型概念化的描述了高雷諾數下邊界層湍流,將邊界層模化成由許多幾何自相似的并且附著在壁面上的渦結構疊加成的區域。這些渦的長度尺度與壁面距離成正比,而渦的組群密度與壁面距離成反比。附著渦模型預測了對數區中流向和展向的速度方差在壁面法向的分布呈現出對數線性,而壁面法向的速度方差接近常數。許多高雷諾數下的實驗和直接數值模擬已經證實了這些預測。風電場和潮汐電廠中的渦輪
Translated title of the contributionApplication of the attached eddy hypothesis in atmospheric boundary layers
Original languageChinese (Simplified)
DOIs
Publication statusPublished - Feb 2020
Event第十一屆全國流體力學學術會議=11th National Conference on Fluid Mechanics -
Duration: 1 Feb 2020 → 1 Feb 2020

Conference

Conference第十一屆全國流體力學學術會議=11th National Conference on Fluid Mechanics
Period1/02/20 → 1/02/20

Keywords

  • 大渦模擬
  • 速度方差
  • 邊界層
  • 附著渦模型

Access to Document

Cite this