Ekman number

Input(s)

D: Characteristic Length Scale (m)(\mathrm{m})

v: Kinematic Eddy Viscosity (m2/s)\left(\mathrm{m}^{2} / \mathrm{s}\right)

ω\omega: Angular Velocity of Plenatory Motion (1/s)

ϑ\vartheta: Latitude (degree)

Output(s)

Ek: Ekman Number (dimensionless)

Formula(s)

Ek=v2D2ωsin(ϑπ180)\mathrm{Ek}=\frac{\mathrm{v}}{2 * \mathrm{D}^{2} * \omega * \sin \left(\vartheta * \frac{\pi}{180}\right)}

Reference(s)

Wikipedia.org.


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