Airfoil Preference and Adjustable Camber Impact Analysis for Trans-Medium Fixed-Wing Vehicles

LU Jixin; SONG Wenbin; CAO Runzhen; LIANG Yifan; FENG Liuzhu; QI Yang

doi:10.11993/j.issn.2096-3920.2024-0125

Volume 33 Issue 1

Mar 2025

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Article Navigation > Journal of Unmanned Undersea Systems > 2025 > 33(1): 113-123

LU Jixin, SONG Wenbin, CAO Runzhen, LIANG Yifan, FENG Liuzhu, QI Yang. Airfoil Preference and Adjustable Camber Impact Analysis for Trans-Medium Fixed-Wing Vehicles[J]. Journal of Unmanned Undersea Systems, 2025, 33(1): 113-123. doi: 10.11993/j.issn.2096-3920.2024-0125

Citation:

LU Jixin, SONG Wenbin, CAO Runzhen, LIANG Yifan, FENG Liuzhu, QI Yang. Airfoil Preference and Adjustable Camber Impact Analysis for Trans-Medium Fixed-Wing Vehicles[J]. Journal of Unmanned Undersea Systems, 2025, 33(1): 113-123. doi: 10.11993/j.issn.2096-3920.2024-0125

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Airfoil Preference and Adjustable Camber Impact Analysis for Trans-Medium Fixed-Wing Vehicles

doi: 10.11993/j.issn.2096-3920.2024-0125

1.
School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, China
2.
School of Marine and Architectural Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Received Date: 2024-07-28
Accepted Date: 2024-10-21
Rev Recd Date: 2024-09-23

Available Online: 2025-01-22

Abstract

Abstract

The key to the realization of air-water trans-medium flight lies in the profile design of trans-medium flight and the satisfaction of different requirements of aerodynamic efficiency for air cruise and airfoil for underwater glide. In this paper, a trans-medium flight profile scheme based on the fusion design of traditional fixed-wing vehicles and underwater gliders was proposed with a small trans-medium vehicle as the platform. Several typical working conditions were determined, and alternative airfoils based on NACA00 and NACA44 series were selected according to the working conditions. The compressible flow model of Fluent was used to carry out numerical analysis on the alternative airfoil set. The aerodynamic and hydrodynamic characteristics of the alternative airfoils in air and water, such as lift-to-drag ratios, lift line slope, lift and drag coefficients, and torque coefficients were calculated by numerical simulation, which were then used as the optimal objective function and constraint conditions of the airfoil of the trans-medium fixed-wing vehicle. The relationship between the preferred airfoil under the underwater navigation profile and the corresponding flight/underwater motion parameters was emphatically analyzed, especially the influence of the change in airfoil camber on the underwater endurance time and range, so as to provide the airfoil optimization decision for the scheme design of the trans-medium vehicle, and the established analysis process can provide a reference for the parameter optimization of the airfoil.
- trans-medium,
- fixed-wing vehicle,
- flight profile,
- underwater glider,
- airfoil

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References(11)

References

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