Definition of Aerodynamic Resistance

The endurance aerodynamics is the resulting of the force that a body experiences or suffers (anyone is this) that is moving through the air on the direction of the velocity relative between the air itself and the body proper.

It's very common hear talk about the aerodynamic drag as the force opposing the body's advance through the air and this is very simple to explain since always, unfailingly, aerodynamic resistance is always opposite (goes in reverse) to body speed we are talking about.

As with other forces of type aerodynamic, to check the effectiveness of a shape or a body going through the air, the famous aerodynamic coefficients. The associated coefficient is commonly called penetration coefficient, resistance coefficient or also drag coefficient, the latter being particularly incorrect since there are many aerodynamic forces and each one has its respective aerodynamic coefficient, each of these having a different meaning.

With regard to cars, it is known that the

And that factors influence to a greater or lesser extent the aerodynamics of a car?

- Smooth or rounded shapes such as bumpers, some headlights and even the rear view mirrors help in this aspect, while for the car's finial a corner shape and pointing downwards is better (the clearest examples can be the Audi A2 and the Citroën C4).

- The front fairings, especially if they are very low, also help and are effective even if they are not the most used, even being used to “stick the car more to the ground” (the case of the Renault Clío Sport 2006).

- Last but not least, another factor to take into particular account is the amount of surface of the vehicle facing the air.