We've all seen a super sports car at least by photo on the Internet like the McLaren P1 GTR and one of the things that attracts most is the rear spoiler that apart from giving a good aesthetic view to the car has a good purpose of being there.
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McLaren P1 GTR
To understand well the function of the wing we must understand a little aerodynamics and how the aircraft fly by means of the wings, suppose a wing profile where air flows at a certain speed and a corresponding Reynolds number, the air lines when coming into contact with the front part of the profile (leading edge) it bifurcates and part of the air travels the extrados (upper part of the wing profile) and intrados (lower part of the wing profile) with the air lines having the tendency to exit the trailing edge At the same time they entered and due to the geometry or shape of the profile, the extrados is longer than the intrados because of its curvature, which is why the air lines in the extas are accelerated to be able to exit at the same time. As the air lines of the extrados have higher velocity than the intrados the profile is subjected to different air flow velocities, the Bernoulli Principle "establishes that a flow at a higher velocity generates less pressure ie the velocity and pressure are inversely proportional "As in our profile the air lines of the extrados have higher velocity generates lower pressure than the intrados, this generates a difference of pressures that results in the upward force called sustentation (L) that is obtained by vectorially adding all the forces of sustentation in all the alar profile.
The lift can vary changing some parameters like:
1-. Using a wing profile appropriate to the requirements.
2-. Varying the attack angle (α) of the wing profile.
3-. Fluid Regime.
1-. There are many types of wing profiles which have different aerodynamic properties and therefore there are profiles that generate more lift than others.
2-. By varying the angle of the rope of the wing profile with respect to a horizontal plane the lift can be varied to obtain the necessary to make an airplane fly, it is worth noting that the greater the angle of attack, the greater the resistance to air currents and reaching angles. very high you can enter loss of lift by the detachment of the wing boundary layer.
3-. Each aircraft flies to a certain number of Reynolds and this is no more than a number that determines the flight regime, depending on this regimen, whether laminar or turbulent, different lift values are obtained.
Knowing all this we can already understand how a spoiler works in supercar cars, basically a spoiler consists of an inverted wing profile and logically the lift is directed down (low lift) which generates more friction force between the tires and the surface of contact (street, highway, etc). The ailerons are usually used in cars that tend to skid the ass and with a good adjustment of the aileron to produce the necessary downforce to counteract the centrifugal force in curves for example that can be corrected.
The aerodynamics of a science that more and more can be observed much more frequently and not this month to know and understand a bit of it, this as such is a more extensive topic that should be studied more calmly.
We already know that the ailerons in supercars and tuning cars is not only for aesthetics but also plays a fundamental role. If you liked give a vote and leave your opinion in the comments section to continue uploading more content.
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