Dimensionless coefficient in the Seelig equation (Equation II-7-2) for the wave

transmission coefficient (Equation II-7-3)

Individual wave celerities created by a moving vessel (Equation II-7-21)

[length/time]

Form drag coefficient [dimensionless]

Propeller drag coefficient [dimensionless]

Skin friction coefficient [dimensionless]

Coefficient of drag for winds measured at 10-m [dimensionless]

Initial concentration of some substance in the harbor water and concentration of the

substance after *i *tidal cycles (Equation II-7-20)

Reflection coefficient [dimensionless]

Wave transmission coefficient [dimensionless]

Coefficient for wave transmission by flow over the structure [dimensionless]

Coefficient for wave transmission through the structure [dimensionless]

Water depth [length]

Dimensionless drawdown

Displacement of a vessel [length3]

Median diameter of armor stone [length]

Channel depth [length]

Water depth at the toe of the structure [length]

Dimensionless average per cycle exchange coefficient, a factor for defining the

effectiveness of tidally induced harbor flushing (Equation II-7-20)

Freeboard [length]

Froude number

Form drag of a vessel (Equation II-7-34) [force]

Skin friction of a vessel (Equation II-7-35) [force]

Vessel propeller drag (Equation II-7-39) [force]

Total longitudinal current load on a vessel (Equation II-7--33) [force]

Drag force due to wind (Equation II-7-31) [force]

Structure crest elevation [length]

II-7-88

Harbor Hydrodynamics

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