Helical vortices: Quasiequilibrium states and their time evolution

Helical vortices: Quasiequilibrium states and their time evolution
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螺旋涡旋:准平衡态及其时间演化

DOI:
10.1103/physrevfluids.2.084701
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发表时间:
2017
期刊:
Philosophical Magazine Series 1
影响因子:
--
通讯作者:
M. Rossi
M. Rossi
中科院分区:
--
文献类型:
--
作者:
C. Selçuk;I. Delbende;M. Rossi

文献摘要

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发现了螺旋形涡流,例如,在风力涡轮机尾流中。粘性螺旋解的精确描述是研究和控制不稳定性所必需的。新的通用准稳态阐述了螺旋形框架和特点的基础上,高精度的直接数值模拟结果。
Helical vortices are found, e.g., in wind turbine wakes. An accurate description of viscous helical solutions is needed for instability studies and control. New generic quasisteady states are elaborated in the helical framework and characterized based on high-precision direct numerical simulation results.