Winglet is one accessory on airplane wings that can be used to improve wing performance without widen wingspan wings (wingspan of the aircraft). Winglet serves to dampen the vortex flow at the wing tips that caused by the interaction airflow from upper and lower sides of the wing. [1]. This research was conducted numerical by using simulation model of turbulence k-ε realizable. Freestream velocity is 40 m/s (Re = 5 × 106) with wing angle of attacks (α) = 0o, 2 o, 4 o, 6 o, 8 o, 10 o,12 o, 15 o and 19 o. The Model is NACA airfoil 43018 with and without winglets. Two types wing are used: wingtip fence with forward and rearward. The results show the addition of winglets minimize vorticity magnitude behind the wing. Besides the addition of winglets can improve the aerodynamic performance of the wing with an increase in CL / CD a maximum of 22.9% on a wingtip fence forward and rearward 17.05% on a wingtip fence on the angle of attack 2o. The pressure distribution on lower surface of the wing increase and distributed more evenly compared to that on the plain wing.
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26 October 2016
PROCEEDINGS OF THE INTERNATIONAL MECHANICAL ENGINEERING AND ENGINEERING EDUCATION CONFERENCES (IMEEEC 2016)
7–8 October 2016
East Java, Indonesia
Research Article|
October 26 2016
Numerical study of aerodynamic analysis on wing airfoil NACA 43018 with the addition of forward and rearward wingtip fence
Setyo Hariyadi S. P.;
Setyo Hariyadi S. P.
a)
1
Fluid Mechanic Laboratory
, Mechanical Engineering Department, FTI, ITS, Surabaya, Indonesia
2Aircraft Engineering,
Civil Aviation Safety and Engineering Academy of Surabaya
, Surabaya, Indonesia
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Sutardi;
Sutardi
1
Fluid Mechanic Laboratory
, Mechanical Engineering Department, FTI, ITS, Surabaya, Indonesia
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Wawan Aries Widodo
Wawan Aries Widodo
1
Fluid Mechanic Laboratory
, Mechanical Engineering Department, FTI, ITS, Surabaya, Indonesia
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a)
Corresponding author: [email protected]
AIP Conf. Proc. 1778, 030011 (2016)
Citation
Setyo Hariyadi S. P., Sutardi, Wawan Aries Widodo; Numerical study of aerodynamic analysis on wing airfoil NACA 43018 with the addition of forward and rearward wingtip fence. AIP Conf. Proc. 26 October 2016; 1778 (1): 030011. https://doi.org/10.1063/1.4965745
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