期刊
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
卷 89, 期 7-8, 页码 633-647出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0167-6105(01)00063-0
关键词
inclined cables; vortex-induced vibration; Karman vortex; axial vortex; axial flow; water rivulet
In this paper, mechanisms of vortex-induced vibration of inclined cables at high reduced wind velocity region are discussed using results from a series of wind tunnel tests. As a conclusion, this aerodynamic instability of inclined cables would occur by the fluid interaction between Karman vortex and axial vortex. Also, the axial Bow along the cable axis and the upper water rivulet control this aerodynamic instability. Furthermore, three dimensional properties of vortex shedding around the cable must play important roles in these mechanisms. (C) 2001 Elsevier Science B.V, All rights reserved.
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