期刊
JOURNAL OF FLUID MECHANICS
卷 715, 期 -, 页码 335-358出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/jfm.2012.523
关键词
turbulent flows
资金
- National Science Foundation [NSF-CBET 1133800]
- Flemish Science Foundation [G.0376.12]
- Hercules Foundation
- Flemish Government
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1133800, 1157246] Funding Source: National Science Foundation
As a generalization of the mass-flux based classical stream tube, the concept of momentum and energy transport tubes is discussed as a flow visualization tool. These transport tubes have the property that no fluxes of momentum or energy exist over their respective tube mantles. As an example application using data from large eddy simulation, such tubes are visualized for the mean-flow structure of turbulent flow in large wind farms, in fully developed wind-turbine-array boundary layers. The three-dimensional organization of energy transport tubes changes considerably when turbine spacings are varied, enabling the visualization of the path taken by the kinetic energy flux that is ultimately available at any given turbine within the array.
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