Definitions for drag coefficient

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Princeton's WordNet

  1. drag coefficient, coefficient of drag(noun)

    the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body

Freebase

  1. Drag coefficient

    In fluid dynamics, the drag coefficient 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. It is used in the drag equation, where a lower drag coefficient indicates the object will have less aerodynamic or hydrodynamic drag. The drag coefficient is always associated with a particular surface area. The drag coefficient of any object comprises the effects of the two basic contributors to fluid dynamic drag: skin friction and form drag. The drag coefficient of a lifting airfoil or hydrofoil also includes the effects of lift-induced drag. The drag coefficient of a complete structure such as an aircraft also includes the effects of interference drag.

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"drag coefficient." Definitions.net. STANDS4 LLC, 2014. Web. 24 Nov. 2014. <http://www.definitions.net/definition/drag coefficient>.

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