Air Flow Drag Coefficient Equations and Calculator

Hydraulic & Pneumatics
Fluids Design and Engineering Data

Air Flow Drag, Drag Coefficient Equation and Calculators for various shapes and bodies

The drag coefficient (non-dimensional drag) is equal to the drag force divided by the product of velocity pressure and frontal area. The velocity may be that of the object through the air (or any other gas) or the air velocity past a stationary object. Coefficients are given for a number of geometrical shapes and also for cars, airships and struts.

Illustration
Description
Circular Flat Disk Drag Coefficient Equation
Rectangular Flat Plate Drag Coefficient Equation
Long Semicircular Concave Surface Drag Coefficient Equation
Long Semicircular Convex Surface Drag Coefficient Equation
Long Circular Cylinder Surface Drag Coefficient Equation
Long Square Section Flow Perpendicular to Face Surface Drag Coefficient Equation
Long Square Section Flow Perpendicular to Edge Surface Drag Coefficient Equation
Cube Flow perpendicular to Face Surface Drag Coefficient Equation
Cube Flow Perpendicular to Edge Surface Drag Coefficient Equation
Sphere Surface Drag Coefficient Equation
Long Elliptical Section Surface Drag Coefficient Equation
Long Symmetrical Airfoil Surface Drag Coefficient Equation
Ellipsoid Surface Drag Coefficient Equation
Streamlined Body of Circular Cross Section Surface Drag Coefficient Equation
Solid Hemisphere Flow on Convex Face Surface Drag Coefficient Equation
Solid Hemisphere Flow on Flat Face Surface Drag Coefficient Equation
Hollow Hemisphere Flow on Convex Face Surface Drag Coefficient Equation
Hollow Hemisphere Flow on Concave Face Surface Drag Coefficient Equation
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