The aerodynamics of the low aspect ratio (LAR) wings is of outmost importance in the performance of the fixed-wing micro air vehicles (MAVs). The flow around these wings is widely influenced by three dimensional (3D) phenomena: including wing-tip vortices, formation of laminar bubble, flow separation and reattachment, laminar to turbulent transition or any combination of these phenomena. All the recent studies consider the aerodynamic characteristics of the LAR wings under the effect of the direct wind. Here we focus on the numerical study of the influence of cross-wind on flow over the inverse Zimmerman wings with the aspect ratios (AR) between 1 and 2 at Reynolds numbers between 6×104 and 105. We have considered cross-wind’s angles from 0° to 40° and angle of attack from 0° to 12°. The results show that lift and drag coefficient generally decrease when the angle of the cross-wind is increased.
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ASME 2013 Fluids Engineering Division Summer Meeting
July 7–11, 2013
Incline Village, Nevada, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5555-3
PROCEEDINGS PAPER
Cross-Wind Influence on Low Aspect Ratio Wings at Low Reynolds Numbers Available to Purchase
Amir Karimi Noughabi,
Amir Karimi Noughabi
Amirkabir University of Technology, Tehran, Iran
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Mehran Tadjfar
Mehran Tadjfar
Amirkabir University of Technology, Tehran, Iran
Search for other works by this author on:
Amir Karimi Noughabi
Amirkabir University of Technology, Tehran, Iran
Mehran Tadjfar
Amirkabir University of Technology, Tehran, Iran
Paper No:
FEDSM2013-16523, V01BT14A005; 9 pages
Published Online:
December 13, 2013
Citation
Noughabi, AK, & Tadjfar, M. "Cross-Wind Influence on Low Aspect Ratio Wings at Low Reynolds Numbers." Proceedings of the ASME 2013 Fluids Engineering Division Summer Meeting. Volume 1B, Symposia: Fluid Machinery; Fluid Power; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Fundamental Issues and Perspectives in Fluid Mechanics. Incline Village, Nevada, USA. July 7–11, 2013. V01BT14A005. ASME. https://doi.org/10.1115/FEDSM2013-16523
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