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Control of Cross-Wind Forces on a Finite Circular Cylinder at Subcritical Reynolds Number

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Fluid Mechanics and Fluid Power – Contemporary Research

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

The present work is an experimental study of flow past a finite circular cylinder, carried out in a low speed wind tunnel. Force measurement was carried-out to study the effect of free end on static and dynamic behaviour of finite cylinders of different aspect ratios from 6 to 14. PIV measurement was also carried-out to observe the nature of flow near the free end of the finite cylinder. A strong downwash and back-flow was observed in the central wake plane near the free end. Based on the observations, a thin circular disc has been implemented as a flow control device, which has been found to be effective in suppression of the cross-wind force.

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References

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Acknowledgment

Assistance received from Low Speed Aerodynamics Lab, IIT Kanpur staff members in carrying out this experimental study is sincerely acknowledged.

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Authors and Affiliations

  1. Department of Aerospace Engineering, IIT Kanpur, Kanpur, India

    Dhiraj Kumar &  Kamal Poddar

Authors
  1. Dhiraj Kumar
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  2. Kamal Poddar
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Corresponding author

Correspondence to Dhiraj Kumar .

Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India

    Arun K. Saha

  2. Department of Aerospace Engineering, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India

    Debopam Das

  3. Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India

    Rajesh Srivastava

  4. Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India

    P. K. Panigrahi

  5. Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India

    K. Muralidhar

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Dhiraj Kumar, Kamal Poddar (2017). Control of Cross-Wind Forces on a Finite Circular Cylinder at Subcritical Reynolds Number. In: Saha, A., Das, D., Srivastava, R., Panigrahi, P., Muralidhar, K. (eds) Fluid Mechanics and Fluid Power – Contemporary Research. Lecture Notes in Mechanical Engineering. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2743-4_118

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  • DOI: https://doi.org/10.1007/978-81-322-2743-4_118

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  • Publisher Name: Springer, New Delhi

  • Print ISBN: 978-81-322-2741-0

  • Online ISBN: 978-81-322-2743-4

  • eBook Packages: EngineeringEngineering (R0)

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