Aerodynamic Analysis of Bio-inspired Wing with Adaptive Aspect Ratio

Open Access

Year : 2024 | Volume :11 | Special Issue : 13 | Page : 143-153
By

Jini Raj R.*

Praveen N.

Srikanth H.V.

Mohammed Nijal

Anil Umesh Bhat

  1. Assistant Professor Aeronautical Department, Nitte Meenakshi Institute of Technology Bangalore Karnataka India
  2. Assistant Professor Aeronautical Department, Nitte Meenakshi Institute of Technology Bangalore Karnataka India
  3. Associate Professor Aeronautical Department, Nitte Meenakshi Institute of Technology Bangalore Karnataka India
  4. Final Year Student Aeronautical Department, Gopalan College of Engineering & Management Bangalore Karnataka India
  5. Final Year Student Aeronautical Department, Gopalan College of Engineering & Management Bangalore Karnataka India

Abstract

The bio-inspired morphing wing is a futuristic concept in the aviation field that draws inspiration from birds and insects. Drawing inspiration from the exceptional flight capabilities of birds and insects, the goal is to develop a wing design that can adapt its aspect ratio, similar to nature. By incorporating the adaptive aspect ratio capabilities into the wing configuration, it becomes possible to optimize the wing’s aerodynamic performance to adapt wide assortment of flight settings, including high-speed cruise and increased maneuverability. The wing aspect ratio is changed dynamically from a fully extended condition to a retracted condition through servo actuation. The aerodynamic characteristics of the retracted and fully extended conditions are analysed by Xfoil Low Reynolds number (XFLR5) simulations providing insights for performance optimization. The results show that by changing the aspect ratio to a fully extended condition, the lift-to-drag (L/D) ratio and lift coefficient (Cl) are increased and the drag coefficient (Cd) is reduced because of the reduction in induced drag. Similarly, at the retracted condition, the L/D ratio and Cl are reduced and the drag is increased. This capability can be adopted during high-speed turns and during instant landing, this wing is more efficient and can be adopted for all flight conditions thereby opening doors to new possibilities in the field of aerial vehicles and Unmanned Aerial Vehicles (UAV).

Keywords: Bio-inspired morphing, XFLR5, Aspect ratio, Aerial vehicles, UAV

[This article belongs to Special Issue under section in Journal of Polymer and Composites(jopc)]

How to cite this article: Jini Raj R.*, Praveen N., Srikanth H.V., Mohammed Nijal, Anil Umesh Bhat. Aerodynamic Analysis of Bio-inspired Wing with Adaptive Aspect Ratio. Journal of Polymer and Composites. 2024; 11(13):143-153.
How to cite this URL: Jini Raj R.*, Praveen N., Srikanth H.V., Mohammed Nijal, Anil Umesh Bhat. Aerodynamic Analysis of Bio-inspired Wing with Adaptive Aspect Ratio. Journal of Polymer and Composites. 2024; 11(13):143-153. Available from: https://journals.stmjournals.com/jopc/article=2024/view=145455

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Special Issue Open Access Original Research
Volume 11
Special Issue 13
Received November 4, 2023
Accepted January 2, 2024
Published February 19, 2024
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