Experimental investigation of two dimensional motion of an elastically supported cylinder in a wake

被引：5

作者：

Blevins, Robert D.

Saint-Marcoux, Jean-Francois ^{[1
]}

Wu, Mason ^{[1
]}

机构：

[1] Acergy US Inc, Houston, TX 77041 USA

来源：

JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING-TRANSACTIONS OF THE ASME | 2008年 / 130卷 / 04期

关键词：

wake; cylinder; flow induced; stability; drag;

D O I：

10.1115/1.2948958

中图分类号：

P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

Measurements have been made of two dimensional motion of an elastically supported circular cylinder in the wake of a fixed upstream cylinder. The experiments were made in a water flow channel with 6.35 cm (2.5 in.) diameter cylinders with a maximum Reynolds number of 77,000. The elastically supported downstream cylinder moves downward and inward toward the centerline of the upstream cylinder's wake with increasing flow velocity, indicating the presence of a transverse lift force and reduced drag in the wake. These forces can cause the cylinders to clash. The measured motions correlate with the theory.

引用

页数：4

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