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June 19, 2026Scientific Reports0 citationsOpen Access

Enhancing Gravitational Water Vortex Turbine Performance via Airfoil Design

Enhancing performance of gravitational water vortex turbines through airfoil design and basin parameters

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Authors

MMMiral MichelAAAbdelmenaim Hatim AlaktaaKEKhaled Elsherbiny

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Overview

Randomized trial evaluates turbine power coefficient enhancement in low-head hydrokinetic systems, indicating airfoil design impact.

Key Points

  • This study aims to improve the performance of gravitational water vortex turbines through optimized airfoil designs and basin configurations.
  • Developed a three-dimensional computational fluid dynamics model to simulate turbine performance.
  • Investigated effects of airfoil axial spacing, chord sizing, and profile on vortex structure.
  • Validated numerical framework against published reference data.
  • Achieved a maximum power coefficient of 0.736 at higher inlet velocities with an optimal configuration of NACA0024 airfoil.
  • Baseline basin power coefficient was 0.313, showing significant improvement in selected designs.
  • Identified an optimal low-TSR operating range beneficial for gravitational water vortex turbines.

Cite This Study

Michel et al. (2026) studied this question.

synapsesocial.com/papers/6a34dfcd65a5b0777af2ecf5https://doi.org/10.1038/s41598-026-56885-9
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