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2017•Mekanika Majalah Ilmiah MekanikaOpen access

PENGARUH TWISTED MULTIPLE WINGLET TERHADAP GAYA LIFT AEROFOIL NACA 0012 PADA ANGKA REYNOLDS RENDAH

Syamsul Hadi

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Abstract

This effort examined the potential of twisted multiple winglets without increasing the span of aircraft wing. Wind tunnel models were constructed using NACA 0012 airfoil section and flat plates for winglets. Testing of configurations occured over range of air velocities from 5 m/s to 15 m/s. Wind tunnel balances provided lift and drag measurements. Twelve configurations of twisted multiple winglets examined the best configuration at angle of attack variation. Twisted multiple winglet dihedral configuration 20 0 ,10 0 ,0 0 ,-10 0 ,-20 0 improved maximum coefficient of lift (up to 38,42%) compared with the baseline 0012 wing. The best coefficient of lift at 15 m/s air velocities and the angle of attack is ten degrees.

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What this paper is about

This effort examined the potential of twisted multiple winglets without increasing the span of aircraft wing. Wind tunnel models were constructed using NACA 0012 airfoil section and flat plates for winglets. Testing of configurations occured over range of air velocities from 5 m/s to 15 m/s. Wind tunnel balances provided lift and drag measurements. Twelve configurations of twisted multiple winglets examined the best configuration at angle of attack variation. Twisted multiple winglet dihedral configuration 20 0 ,10 0 ,0 0 ,-10 0 ,-20 0 improved maximum coefficient of lift (up to 38,42%) compared with the baseline 0012 wing. The best coefficient of lift at 15 m/s air velocities and the angle of attack is ten degrees.

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Available abstract

This effort examined the potential of twisted multiple winglets without increasing the span of aircraft wing. Wind tunnel models were constructed using NACA 0012 airfoil section and flat plates for winglets. Testing of configurations occured over range of air velocities from 5 m/s to 15 m/s. Wind tunnel balances provided lift and drag measurements. Twelve configurations of twisted multiple winglets examined the best configuration at angle of attack variation. Twisted multiple winglet dihedral configuration 20 0 ,10 0 ,0 0 ,-10 0 ,-20 0 improved maximum coefficient of lift (up to 38,42%) compared with the baseline 0012 wing. The best coefficient of lift at 15 m/s air velocities and the angle of attack is ten degrees.

Key concepts: Wingtip device, NACA airfoil, Airfoil, Lift coefficient, Angle of attack, Lift-to-drag ratio, Wind tunnel, Lift-induced drag

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PENGARUH TWISTED MULTIPLE WINGLET TERHADAP GAYA LIFT AEROFOIL NACA 0012 PADA ANGKA REYNOLDS RENDAH — Research Paper | ScholarLens