Related Resources: fluid flow

Long Cylinder Surface Drag & Drag Coefficient Equation and Calculator

Air Flow Drag, Drag Coefficient Equation & Calculators
Fluids Design and Engineering Data

Long Cylinder Surface Drag, Drag Coefficient Equation and Calculator

Drag Equation:

Drag Equation

Illustration
Description
L / d
Cd
Re / 104
Frontal Area
Long Circular Cylinder Surface Drag, Drag Coefficient Equation and Calculator
Long Cylinder
Surface Drag
-
1.00
0.35
< 20
> 20
L d

Where:

D = Drag (N);
Cd = Drag Coefficient (unit less);
ρ = fluid density (kg/m3);
L = Length (m);
d = Depth (m);
A = frontal area (m2);
V = fluid velocity (m/sec);
d = Diameter (m);
Re = Reynolds Number (unit less)

Density of air = 1.225 kg/m3