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July 18, 2026Journal of Aircraft

Rotor Optimization Framework Introducing Discrete Airfoil Selection with Computational Fluid Dynamics Validation

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Authors

MSM. Muneeb SafdarAAApurva AnandJBJames D. Baeder

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Overview

Randomized trial examines airfoil selection impact on rotor blade performance, suggesting a new design approach.

Key Points

  • The aim is to enhance helicopter rotor blade design by incorporating discrete airfoil selection into optimization frameworks.
  • Proposed a discrete airfoil selection methodology in a multi-objective rotor blade optimization framework.
  • Explored four optimization scenarios involving airfoil choice and thickness tapering.
  • Validated multi-objective optimized blades using high-fidelity computational fluid dynamics (CFD).
  • Utilizing discrete airfoil design parameters provided meaningful performance gains in optimized blades.
  • Achieved a higher figure of merit in hover compared to fixed airfoil scenarios.
  • Improved lift-to-drag ratio in forward flight with optimized airfoil selection.

Cite This Study

Safdar et al. (2026) studied this question.

synapsesocial.com/papers/6a5b176318557b26c2039a44https://doi.org/10.2514/1.c038999
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