Drag coefficient and aerodynamics - Deepstash

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# Drag coefficient and aerodynamics

The main component that judges whether a car is aerodynamically efficient is known as the drag coefficient, effectively giving a value to how well a vehicle can cut its way through air.

Drag force on a vehicle acts on the same plane as the direction of motion (horizontally) and increases exponentially as speed increases. A low coefficient is conducive to high top speed and low fuel consumption, while a higher drag coefficient is generally found in cars searching for high cornering speeds influenced by downforce.

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### Calculating the drag coefficient

The engineering equation uses:

• FD - A drag force

• ρ - Air density

• V - Airspeed

• A - Frontal area

It shows that a car’s coefficient of drag can be found by analyzing the drag force acting on the car at a given speed. The component within the equation that will h...

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### The value game

The drag coefficient for something of the general dimensions of a car lies around the 0.3-0.4 mark.

Car manufacturers have been including drag coefficients within their car’s stats much more in the last decade, coinciding with the transition towards eco-friendly motoring.

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