Related Resources: fluid flow
Square Section Flow Perp to Edge Surface Drag, Drag Coefficient Equation and Calculator
Air Flow Drag, Drag Coefficient Equation & Calculators
Fluids Design and Engineering Data
Long Square Section Flow Perpendicular to Edge Surface Drag, Drag Coefficient Equation and Calculator
Drag Equation:
Illustration

Description

L / d

C_{d}

R_{e} / 10^{4}

Frontal Area

Long Square
Section 


1.00

> 0.1

2^{(0.5)} L d

Where:
D = Drag (N);
C_{d} = Drag Coefficient (unit less);
ρ = fluid density (kg/m^{3});
L = Length (m);
d = Depth (m);
A = frontal area (m^{2});
V = fluid velocity (m/sec);
d = Diameter (m);
R_{e} = Reynolds Number (unit less)
Density of air = 1.225 kg/m^{3}
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