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The term drag area derives from aerodynamics, where it is the product of some reference area (such as cross-sectional area, total surface area, or similar) and the drag coefficient. In 2003, Car and Driver magazine adopted this metric as a more intuitive way to compare the aerodynamic efficiency of various automobiles.
Drag coefficients in fluids with Reynolds number approximately 10 4 [1] [2] Shapes are depicted with the same projected frontal area. In fluid dynamics, the drag coefficient (commonly denoted as: , or ) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.
Frontal area in m² (square feet) Light light-duty truck 2,722 (6,000) or under ... Cars are divided into six classes based on interior volume, as shown in the table ...
The XL1 has a curb weight of 795 kg (1,753 lb), and a drag coefficient of Cd=0.186 (a similar drag coefficient to the General Motors EV1 electric car). Frontal area is 1.5 m 2 giving a drag area of CdA=0.28 m 2. [17] Just 23.2% of the car (184 kg (406 lb)) is made out of either steel or iron; the drivetrain
An illustration of why sloped armour offers no weight benefit when protecting a certain frontal area. Comparing a vertical slab of armour (left) and a section of 45° sloped armour (right), the horizontal distance through the armour (black arrows) is the same, but the normal thickness of the sloped armour (green arrow) is less.
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Side mirrors both increase the frontal area of the vehicle and increase the coefficient of drag since they protrude from the side of the vehicle. [6] [7] In order to decrease the impact that side mirrors have on the drag of the vehicle the side mirrors can be replaced with smaller mirrors or mirrors with a different shape.
A Manhattan man killed his roommate before trying to dispose of his body in the ocean, prosecutors said. New York City prosecutors have charged the man in the brutal stabbing, which they say was ...