An experimental investigation on vortex-induced vibration (VIV) response characteristics of a rigid cylinder was conducted at the Towing Tank Lab in Harbin Engineering University. The Reynolds Number based on proposed diameter ranged from 6×104 to 2.4×105, with the cross-flow mass ratio my* = 1.127 and the in-line mass ratio mx* = 1.363. In the experiment, the spring constants of the cross-flow and in-line flow directions were regulated to change the natural vibration frequency of the model system. One- and two-degree-of-freedom VIV experiment was respectively carried out to analyze the vibration characteristic and trajectory. It was found that the non-dimension in-line and cross-flow natural frequency ratio fx/fy, is an important parameter which not only affects cross-flow vibration peak but also affects the forms of vibration trajectory except the reduced velocity.
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ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering
June 8–13, 2014
San Francisco, California, USA
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4540-0
PROCEEDINGS PAPER
A Model Experiment Investigation on Two Degrees of Freedom VIV of Cylinder
Yunhe Zhai,
Yunhe Zhai
Harbin Engineering University, Harbin, Heilongjiang, China
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Ruxin Song,
Ruxin Song
Harbin Engineering University, Harbin, Heilongjiang, China
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Zh. Kang,
Zh. Kang
Harbin Engineering University, Harbin, Heilongjiang, China
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Liping Sun,
Liping Sun
Harbin Engineering University, Harbin, Heilongjiang, China
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Peng Li
Peng Li
Harbin Engineering University, Harbin, Heilongjiang, China
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Yunhe Zhai
Harbin Engineering University, Harbin, Heilongjiang, China
Ruxin Song
Harbin Engineering University, Harbin, Heilongjiang, China
Zh. Kang
Harbin Engineering University, Harbin, Heilongjiang, China
Liping Sun
Harbin Engineering University, Harbin, Heilongjiang, China
Peng Li
Harbin Engineering University, Harbin, Heilongjiang, China
Paper No:
OMAE2014-23588, V002T08A036; 9 pages
Published Online:
October 1, 2014
Citation
Zhai, Y, Song, R, Kang, Z, Sun, L, & Li, P. "A Model Experiment Investigation on Two Degrees of Freedom VIV of Cylinder." Proceedings of the ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. Volume 2: CFD and VIV. San Francisco, California, USA. June 8–13, 2014. V002T08A036. ASME. https://doi.org/10.1115/OMAE2014-23588
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