# Which type of airfoil produces the maximum lift at 0 degree angle of attack? ## Which type of airfoil produces the maximum lift at 0 degree angle of attack?

Cambered airfoils are curved such that they generate some lift at small negative angles of attack. A symmetrical wing has zero lift at 0 degrees angle of attack. The lift curve is also influenced by the wing shape, including its airfoil section and wing planform.

### What is the position of the Max camber in NACA 2412 if chord length is 1.5 m?

With all percentages given in respect to the length of the chord, the classification of the NACA 2412 determines that the airfoil has a maximum camber of 2% located at 40% from the leading edge, with a maximum thickness of 12%.

#### What is the angle of attack for zero lift?

One must move to a negative angle of attack to obtain zero lift coefficient (hence zero lift). It will be remembered that this angle is called the angle of zero lift. A symmetric airfoil was shown to have an angle of zero lift equal to 0° as might be expected.

Is it possible to produce lift at an angle of attack of zero degrees?

For a cambered airfoil, the zero lift line is negative i.e. the airfoil will produce lift even when the geometric angle of attack is zero (in this condition, the absolute angle of attack is positive).

What is a zero angle of attack?

When the angle of attack on an aerofoil is measured relative to the zero-lift axis it is true to say the lift coefficient is zero when the angle of attack is zero. For this reason, on a cambered aerofoil the zero-lift line is better than the chord line when describing the angle of attack.

## How does the NACA 23012 external-airfoil flap affect the lift coefficient?

The chosen airfoil is NACA 23012 with a NACA 23012 external-airfoil flap. The analysis is made on different flap angles of different conditions and the optimization of the flap position is done. The results show the effect of flap position and flap deployment angle on the lift, drag coefficients, and the stall point.

### What kind of turbulence is NACA 23012?

The numerical investigation is two-dimensional, steady, viscous, with the k−ω turbulence model applied to the simulation utilizing unstructured grids of sphere of influence type. The chosen airfoil is NACA 23012 with a NACA 23012 external-airfoil flap.

#### What should the angle of zero lift be?

the angle of zero lift should be small. This view is density tunnels. for the Clark Y. Both sets of results indicate that Number. lower than that of the Clark Y.

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