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Updated: Jun 21, 2025

Preparation of Free-Surface Hyperbolic Water Vortices
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Generating controlled gust perturbations using vortex rings.

Dipendra Gupta1,2, Sanjay P Sane3, Jaywant H Arakeri2

  • 1Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, New York, United States of America.

Plos One
|July 8, 2024
PubMed
Summary
This summary is machine-generated.

Researchers developed a new method using controlled vortex rings to generate gusts for studying animal locomotion. This technique improves upon turbulent gust methods for analyzing flight responses in insects and drones.

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Area of Science:

  • Biomechanics
  • Fluid Dynamics
  • Animal Locomotion

Background:

  • Studying animal locomotion requires precise measurement of responses to external gust perturbations.
  • Previous methods using turbulent gusts lack control and characterization, limiting experimental accuracy.

Purpose of the Study:

  • To present a novel method for generating controlled, discrete gusts using vortex rings.
  • To provide theoretical guidelines for designing gust generators for specific applications.

Main Methods:

  • Generation of well-characterized and controllable vortex rings as discrete gusts.
  • Application of the vortex ring method to study the flight response of soldier flies (Hermetia illucens).

Main Results:

  • Demonstrated the efficacy of vortex rings in generating controlled gusts.
  • Successfully tested the method on freely-flying soldier flies to analyze flight responses.

Conclusions:

  • The vortex ring method offers a controllable and characterizable alternative to turbulent gusts for locomotion studies.
  • This technique is applicable to diverse phenomena, including insect flight and micro-aerial vehicles.