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Visualisation of the effect of different types of marine growth on cylinders' wake structure in low Re steady flows

机译：低Re稳定流中不同类型海洋生长对气瓶尾流结构影响的可视化

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Marine growth is a large technical, economic and environmental problem for almost all activities at sea. Circular cylinders being widely used in different types of offshore structures, this study focuses on the effects of different types of marine growth on cylinders' wake structure for low Re steady flows (2.16 x 10(3) < Re < 1.94 x 10(4)). Qualitative results from wake visualisations and simple drag force measurements confirmed that soft and hard roughnesses have completely different effects on the cylinder hydrodynamics for the transitional subcritical regime, as soft fouling act as a passive flow separation control. This study highlights the changes on the cylinder hydrodynamics induced by a developing fouling community, going from small hard roughnesses to fully developed soft fouling. (C) 2016 Elsevier Ltd. All rights reserved.
机译：对于几乎所有海上活动而言，海洋增长都是一个重大的技术，经济和环境问题。圆形圆柱体广泛用于不同类型的海上结构中，本研究着眼于低Re稳定流量（2.16 x 10（3）

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