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Gust Modeling with State-of-the-Art Computational Fluid Dynamics (CFD) Software and Its Influence on the Aerodynamic Characteristics of an Unmanned Aerial Vehicle

Author

Listed:
  • Michał Frant

    (Faculty of Mechatronics, Armament and Aerospace, Military University of Technology, No. 2 Kaliskiego Street, 00-908 Warsaw, Poland)

  • Stanisław Kachel

    (Faculty of Mechatronics, Armament and Aerospace, Military University of Technology, No. 2 Kaliskiego Street, 00-908 Warsaw, Poland)

  • Wojciech Maślanka

    (Doctoral School, Military University of Technology, No. 2 Kaliskiego Street, 00-908 Warsaw, Poland)

Abstract

The aim of this article is to propose methods for obtaining the aerodynamic characteristics of a flying object in a turbulent atmosphere. This article presents static aerodynamic characteristics of an unmanned aerial vehicle (UAV), which have been obtained during experimental examinations and during numerical calculations. The results have been compared with each other in order to validate the numerical model and methods. The method for modeling gusts using state-of-the-art CFD software (i.e., ANSYS Fluent Release 16.2) has been proposed and applied to obtain the aerodynamic characteristics of a UAV including during gusts. Two cases have been analyzed. In the first case, a downburst was modeled. In the second case, a single oblique gust was modeled (i.e., changing the angle of attack and the angle of sideslip), that had a complicated time course in regard to its velocity. Although this article is focused on the assessment of the vulnerability of a UAV model to gusts, the practical implications of the proposed methodology are applicable to a wide selection of objects, including wind turbines.

Suggested Citation

  • Michał Frant & Stanisław Kachel & Wojciech Maślanka, 2023. "Gust Modeling with State-of-the-Art Computational Fluid Dynamics (CFD) Software and Its Influence on the Aerodynamic Characteristics of an Unmanned Aerial Vehicle," Energies, MDPI, vol. 16(19), pages 1-19, September.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:19:p:6847-:d:1249250
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    References listed on IDEAS

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    1. Artur Reiswich & Max Finster & Martin Heinrich & Rüdiger Schwarze, 2020. "Effect of Flexible Flaps on Lift and Drag of Laminar Profile Flow," Energies, MDPI, vol. 13(5), pages 1-16, March.
    2. Marcin Chodnicki & Barbara Siemiatkowska & Wojciech Stecz & Sławomir Stępień, 2022. "Energy Efficient UAV Flight Control Method in an Environment with Obstacles and Gusts of Wind," Energies, MDPI, vol. 15(10), pages 1-31, May.
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    4. Lakshmi Srinivasan & Nishanth Ram & Sudharshan Bharatwaj Rengarajan & Unnikrishnan Divakaran & Akram Mohammad & Ratna Kishore Velamati, 2023. "Effect of Macroscopic Turbulent Gust on the Aerodynamic Performance of Vertical Axis Wind Turbine," Energies, MDPI, vol. 16(5), pages 1-24, February.
    5. Christopher Jung & Dirk Schindler & Alexander Buchholz & Jessica Laible, 2017. "Global Gust Climate Evaluation and Its Influence on Wind Turbines," Energies, MDPI, vol. 10(10), pages 1-18, September.
    6. Nicolae Herisanu & Vasile Marinca & Gheorghe Madescu & Florin Dragan, 2019. "Dynamic Response of a Permanent Magnet Synchronous Generator to a Wind Gust," Energies, MDPI, vol. 12(5), pages 1-11, March.
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