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Wake suppression behind two slightly non-coplanar cylinders

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Abstract

We here have found when the two parallel cylinders are arranged slightly non-coplanar, the vortex shedding could be significantly suppressed above Reynolds number of 6000. This finding is unlike the common understanding that the Karman vortex formation behind the structure can be manipulated when a structure located within the inherently unstable near wake of another structure. It is particularly important for flow control, since the flow-induced vibration of two parallel cylinders can be suppressed effectively with only slightly non-coplanar arrangement.

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Authors and Affiliations

  1. School of Engineering, University of Science and Technology of China, Hefei, China

    Bao-Qing Lia & Jia-Ru Chua

  2. Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Horn, Kowloon, Hong Kong

    Yang Liub

Authors
  1. Bao-Qing Lia
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  2. Yang Liub
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  3. Jia-Ru Chua
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Correspondence to Yang Liub.

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Lia, BQ., Liub, Y. & Chua, JR. Wake suppression behind two slightly non-coplanar cylinders. J Mech Sci Technol 21, 1383 (2007). https://doi.org/10.1007/BF03177424

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  • DOI: https://doi.org/10.1007/BF03177424

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