articleRenewable EnergyJan 8, 2026HYBRID OA

Dynamic behavior and energy harvesting potential of a circular cylinder experiencing flow-induced motions in elevated turbulent inflow

KHKai HeABArindam Banerjee

Lehigh University

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Abstract

Understanding flow-body interactions under oscillation is crucial for enhancing energy harvesting or maintaining structural stability. Elevated levels of inflow turbulence further complicate the problem, as they can potentially affect the dynamic behavior of structures; however, their specific impacts on energy harvesting mechanisms and oscillation patterns remain underexplored. In this experimental study, flow-induced motions under elevated turbulent inflow conditions are examined using an active grid turbulence generator that creates turbulence intensities of 13.4% and 19.4% in a range of Reynolds numbers between 1800-32000. Plain and surface-modified cylinders were examined for their oscillation behaviors…

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100%
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Topics & keywords

Topics
Keywords
  • Turbulence
  • Inflow
  • Oscillation (cell signaling)
  • Laminar flow
  • Turbulence kinetic energy
  • Reynolds number
  • Cylinder
UN Sustainable Development Goals
  • Affordable and clean energy
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