Experimental Investigation of Effects of Split Blended Winglet at Tip Vortex Structure of Micro-Aerial Vehicle with Hot-Wire Anemometry

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Neshat a.r.; Bak Khoshnevis A.; EZADI YAZDI M.J.

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Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2018 | Volume:8 | Issue:2 Page(s): 193-204

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Title

Experimental Investigation of Effects of Split Blended Winglet at Tip Vortex Structure of Micro-Aerial Vehicle with Hot-Wire Anemometry

Author(s)

Neshat a.r. | Bak Khoshnevis A. | EZADI YAZDI M.J. | Issue Writer Certificate

Keywords

Micro-Aerial VehicleQ2

Wind TunnelQ2

WingletQ1

VortexQ2

Hot-Wire AnemometryQ2

Abstract

Winglets are one of the tools used for reducing the effects of the tip Vortex. In this research, the effects of installing split blended Winglet on Micro-Aerial Vehicle half model in order to the reduction of wing tip Vortex were investigated experimentally. The experiments were conducted in an open circuit Wind Tunnel at velocity 16 m/s and angle of attack 10ᵒ . The Reynolds number of the model was about 3. 8×10 4 based on Mean-Aerodynamic chord. In order to measure the mean velocity and turbulence intensity, the Hot-Wire Anemometry (HWA) has been used. Experimental results in the absence of installing Winglet indicated the existence of a Vortex structure behind the tip of the wing which is due to the pressure difference created on the upper and lower surfaces of the wing. Turbulence intensity has it highest value in Vortex core which is also observed to decrease gradually with downstream distance. The results show that in the presence of Winglet, there are two clear Vortex structures which one at the Winglet/wing junction and the other at the tip of the Winglet.

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APA: Copy

Neshat, a.r., Bak Khoshnevis, A., & EZADI YAZDI, M.J.. (2018). Experimental Investigation of Effects of Split Blended Winglet at Tip Vortex Structure of Micro-Aerial Vehicle with Hot-Wire Anemometry. JOURNAL OF SOLID AND FLUID MECHANICS, 8(2 ), 193-204. SID. https://sid.ir/paper/398624/en

Vancouver: Copy

Neshat a.r., Bak Khoshnevis A., EZADI YAZDI M.J.. Experimental Investigation of Effects of Split Blended Winglet at Tip Vortex Structure of Micro-Aerial Vehicle with Hot-Wire Anemometry. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2018;8(2 ):193-204. Available from: https://sid.ir/paper/398624/en

IEEE: Copy

a.r. Neshat, A. Bak Khoshnevis, and M.J. EZADI YAZDI, “Experimental Investigation of Effects of Split Blended Winglet at Tip Vortex Structure of Micro-Aerial Vehicle with Hot-Wire Anemometry,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 8, no. 2 , pp. 193–204, 2018, [Online]. Available: https://sid.ir/paper/398624/en

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