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June 15, 2026AIAA Journal0 citations

Aerodynamic Characteristics of Discrete Rotor for Ultrahigh-Speed Rotorcraft

Research on Aerodynamic Characteristics of Discrete Rotor for Ultrahigh-Speed Rotorcraft

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Authors

JCJinru ChenYLYang LuKGKai Guan

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Overview

Randomized trial investigates aerodynamic efficiency in ultrahigh-speed rotorcraft, suggesting improved designs for vertical takeoff and landing aircraft.

Key Points

  • This research aims to enhance the aerodynamic efficiency of ultrahigh-speed rotorcraft through the innovative concept of a discrete rotor.
  • Developed an aerodynamic analysis model using the free-wake method.
  • Incorporated blade flapping motion equations and a wind-tunnel trim model.
  • Conducted experiments in a 0.75 m diameter wind tunnel.
  • Single-blade and discrete rotors show a 12.5% increase in relative power load factor over classic multiblade rotors.
  • Both rotor types significantly improve aerodynamic efficiency under hover and forward flight conditions.
  • Efficiency advantage increases with forward flight speed but diminishes at higher speeds.

Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/6a2f96eca1cfeec490828145https://doi.org/10.2514/1.j066616
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