ID | 119416 |
Title Alternative | Aerodynamic Drag of a Tilt-Rotor UAV in Rotary-Wing Mode
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Author |
Urakubo, Takateru
Kobe University
Wada, Koki
Kobe University
Sabe, Kohtaro
Aerosense Inc.
Hirai, Shinji
Aerosense Inc.
Miwa, Masafumi
Tokushima University
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Keywords | VTOL
parameter identification
CFD
momentum drag
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Content Type |
Journal Article
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Description | This paper examines the aerodynamic drag force acting on a tilt-rotor UAV that has three mini fans and a main rotor with a tilt mechanism. The mini fans are embedded in the nose and the left and right wings. The main rotor is located near the center of the vehicle, and its front half is surrounded by the trailing edge of the nose in rotary-wing mode. The downward airflow from the fans and the main rotor generates an aerodynamic drag force called momentum drag, which is linearly proportional to the airspeed of UAV. To verify the existence of momentum drag, parameter identification of drag coefficients is performed from experimental data where the UAV flies forward in rotary-wing mode. The drag force is also investigated using computational fluid dynamics simulations. These experimental and numerical results are consistent with theoretical results based on momentum theory.
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Journal Title |
Journal of Robotics and Mechatronics
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ISSN | 09153942
18838049
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NCID | AA10809998
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Publisher | Fuji Technology Press
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Volume | 35
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Issue | 2
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Start Page | 417
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End Page | 423
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Published Date | 2023-04-20
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Rights | This is an Open Access article distributed under the terms of the Creative Commons Attribution-NoDerivatives 4.0 International License (https://creativecommons.org/licenses/by-nd/4.0/).
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language |
eng
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departments |
Science and Technology
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