Numerical Analysis of Flow Separation Control on a BWB Drone Using a Vortex Generator

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GARSHASBI M.; Jafari m.m.; PARHIZKAR H.

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Journal: Modares Mechanical Engineering Year:2019 | Volume:19 | Issue:2 Page(s): 447-456

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Title

Numerical Analysis of Flow Separation Control on a BWB Drone Using a Vortex Generator

Author(s)

GARSHASBI M. | Jafari m.m. | PARHIZKAR H. | Issue Writer Certificate

Keywords

StallQ1

Flow separation controlQ1

Vortex generatorQ1

UCAVQ1

Abstract

Today, the effects of three-dimensional flow near the blade and wing tip in the turbomachinery industry, such as rotor helicopters, turbine, as well as wings optimization in the airline industry, for safe flight with high maneuverability, are the focus of the industry in this area. Stall can be considered an influential phenomenon in this field. In the present study, the Flow separation control was investigated by a Vortex generator on a wing of a radar invader UAV, including a Naca64a210 airfoil with a 5° washout angle at the wing tip and integrated wings and attached to the body with a 47° sweep angle in the subsonic flow. The turbulent flow was solved by the kw-sst method for attack angles ranging from 5-20° and speeds of 30 and 60 m/ sec. The results show a good fit with numerical and experimental results, so that the pressure distribution curves indicate the growth of pressure in the vortex generating regions and also the areas near the tip of the wing, which results in the flow remain in the wing surface in these areas. Therefore, by examining the pitching moment and velocity contours, it can be seen that the flow separation from the 15° angle of attack, has been delayed to 20° , and also the ability to control the separation of flow along with the growth of velocities has been achieved.

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APA: Copy

GARSHASBI, M., Jafari, m.m., & PARHIZKAR, H.. (2019). Numerical Analysis of Flow Separation Control on a BWB Drone Using a Vortex Generator. MODARES MECHANICAL ENGINEERING, 19(2 ), 447-456. SID. https://sid.ir/paper/179684/en

Vancouver: Copy

GARSHASBI M., Jafari m.m., PARHIZKAR H.. Numerical Analysis of Flow Separation Control on a BWB Drone Using a Vortex Generator. MODARES MECHANICAL ENGINEERING[Internet]. 2019;19(2 ):447-456. Available from: https://sid.ir/paper/179684/en

IEEE: Copy

M. GARSHASBI, m.m. Jafari, and H. PARHIZKAR, “Numerical Analysis of Flow Separation Control on a BWB Drone Using a Vortex Generator,” MODARES MECHANICAL ENGINEERING, vol. 19, no. 2 , pp. 447–456, 2019, [Online]. Available: https://sid.ir/paper/179684/en

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