1
Q
Drag Equation
A
D = ½ ρV2 AC D
2
Q
p
A
the density of water (not the object!) at the temperature at which the drag is measured [kg/m 3 ]
3
Q
V
A
the velocity of water over the surface (velocity) [m/sec]
4
Q
A
A
the frontal area of the object [cm 2
5
Q
Cd
A
the drag coefficient (a dimensionless constant)
6
Q
Laminar Flow
A
refers to a regular, smooth movement of fluid over a surface
Ichthyology Lab
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