Aerodynamic Drag - Explained

Опубликовано 5 марта 2014, 20:00

What is aerodynamic drag? What makes a vehicle aerodynamic? How does drag affect cars? Drag is the resistive force a fluid places on something trying to pass through it. As your car drives through the air, the drag attempts to slow it down, and you must provide power to overcome this. As drag increases exponentially with speed, so does the amount of horsepower required to overcome said drag. Cars like the Tesla Model S and Toyota Prius have very low drag coefficients, allowing them to drive more efficiently at higher speeds.

Explanation of P=Fv
1. Start with power, power is the rate of energy use. Power = Energy/Time.
2. Energy is required to accomplish work, which is defined as Force times Distance. Energy = Force*Distance.
3. Power = (Force*Distance)/Time
4. Power = Force*(Distance/Time)
5. Power = Force*Velocity (P=Fv)

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