Related Resources: fluid flow
Long Elliptical Section Surface Drag, Drag Coefficient Equation and Calculator
Air Flow Drag, Drag Coefficient Equation & Calculators
Fluids Design and Engineering Data
Long Elliptical Section Surface Drag, Drag Coefficient Equation and Calculator
Drag Equation:
Illustration
|
Description
|
L / d
|
Cd
|
Re / 104
|
Frontal Area
|
Long
Elliptical Section |
8
4 2 |
0.24
0.32 0.46 |
10
|
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