✖Skin Friction of a Vessel is defined as the friction at the surface of a solid and a fluid in relative motion.ⓘ Skin Friction of a Vessel [F_c,fric]			+10% -10%
✖Water Density is mass per unit volume of water.ⓘ Water Density [ρ_water]			+10% -10%
✖Skin Friction Coefficient refers to the dimensionless parameter that quantifies the resistance between the surface of a structure and the surrounding soil or water.ⓘ Skin Friction Coefficient [c_f]			+10% -10%
✖Wetted Surface Area is the total area of outer surface in contact with the surrounding water.ⓘ Wetted Surface Area [S]			+10% -10%
✖Angle of the Current refers to the direction at which ocean currents or tidal flows approach a coastline or a coastal structure, relative to a defined reference direction.ⓘ Angle of the Current [θ_c]			+10% -10%

✖Average Current Speed for Skin Friction or calculating skin friction (or frictional resistance) on a vessel's hull, can vary widely depending on the type of vessel and its operational environment.ⓘ Average Current Speed given Skin Friction of Vessel [V_cs]

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Formula

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Average Current Speed given Skin Friction of Vessel

Formula

`"V"_{"cs"} = sqrt("F"_{"c,fric"}/(0.5*"ρ"_{"water"}*"c"_{"f"}*"S"*cos("θ"_{"c"})))`

Example

`"0.267211m/s"=sqrt("42"/(0.5*"1000kg/m³"*"0.72"*"4m²"*cos("1.150")))`

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Average Current Speed given Skin Friction of Vessel Solution

STEP 0: Pre-Calculation Summary

Formula Used

Average Current Speed for Skin Friction = sqrt(Skin Friction of a Vessel/(0.5*Water Density*Skin Friction Coefficient*Wetted Surface Area*cos(Angle of the Current)))
V_cs = sqrt(F_c,fric/(0.5*ρ_water*c_f*S*cos(θ_c)))
This formula uses 2 Functions, 6 Variables

Functions Used

cos - Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle., cos(Angle)
sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Average Current Speed for Skin Friction - (Measured in Meter per Second) - Average Current Speed for Skin Friction or calculating skin friction (or frictional resistance) on a vessel's hull, can vary widely depending on the type of vessel and its operational environment.
Skin Friction of a Vessel - Skin Friction of a Vessel is defined as the friction at the surface of a solid and a fluid in relative motion.
Water Density - (Measured in Kilogram per Cubic Meter) - Water Density is mass per unit volume of water.
Skin Friction Coefficient - Skin Friction Coefficient refers to the dimensionless parameter that quantifies the resistance between the surface of a structure and the surrounding soil or water.
Wetted Surface Area - (Measured in Square Meter) - Wetted Surface Area is the total area of outer surface in contact with the surrounding water.
Angle of the Current - Angle of the Current refers to the direction at which ocean currents or tidal flows approach a coastline or a coastal structure, relative to a defined reference direction.

STEP 1: Convert Input(s) to Base Unit

Skin Friction of a Vessel: 42 --> No Conversion Required
Water Density: 1000 Kilogram per Cubic Meter --> 1000 Kilogram per Cubic Meter No Conversion Required
Skin Friction Coefficient: 0.72 --> No Conversion Required
Wetted Surface Area: 4 Square Meter --> 4 Square Meter No Conversion Required
Angle of the Current: 1.15 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_cs = sqrt(F_c,fric/(0.5*ρ_water*c_f*S*cos(θ_c))) --> sqrt(42/(0.5*1000*0.72*4*cos(1.15)))

Evaluating ... ...

V_cs = 0.267210823152114

STEP 3: Convert Result to Output's Unit

0.267210823152114 Meter per Second --> No Conversion Required

FINAL ANSWER

0.267210823152114 ≈ 0.267211 Meter per Second <-- Average Current Speed for Skin Friction

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Coastal and Ocean Engineering » Surf Zone Hydrodynamics » Harbor Hydrodynamics » Mooring » Mooring Forces » Skin Friction » Average Current Speed given Skin Friction of Vessel

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< 6 Skin Friction Calculators

Average Current Speed given Skin Friction of Vessel

Go Average Current Speed for Skin Friction = sqrt(Skin Friction of a Vessel/(0.5*Water Density*Skin Friction Coefficient*Wetted Surface Area*cos(Angle of the Current)))

Skin Friction Coefficient given Skin Friction of Vessel

Go Skin Friction Coefficient = Skin Friction of a Vessel/(0.5*Water Density*Wetted Surface Area*Average Current Speed for Skin Friction^2*cos(Angle of the Current))

Wetted Surface Area of Vessel given Skin Friction

Go Wetted Surface Area = Skin Friction of a Vessel/(0.5*Water Density*Skin Friction Coefficient*Average Current Speed for Skin Friction^2*cos(Angle of the Current))

Skin Friction of Vessel due to Flow of Water over Wetted Surface Area of Vessel

Go Skin Friction of a Vessel = 0.5*Water Density*Skin Friction Coefficient*Wetted Surface Area*Average Current Speed for Skin Friction^2*cos(Angle of the Current)

Reynolds Number given Skin Friction Coefficient

Go Reynolds Number for Skin Friction = (Average Current Speed*Waterline Length of a Vessel*cos(Angle of the Current))/Kinematic Viscosity in Stokes

Skin Friction Coefficient as Function of Reynolds Number

Go Skin Friction Coefficient = 0.075/(log10(Reynolds Number for Mooring Forces)-2)^2

Average Current Speed given Skin Friction of Vessel Formula

What is Mooring Load?

The Mooring loads often govern the required lateral load capacity of a pier or berth structure. Mooring hardware and equipment are normally rated for a safe working load based upon allowable stresses and/or manufacturer's testing that should not be exceeded.

How to Calculate Average Current Speed given Skin Friction of Vessel?

Average Current Speed given Skin Friction of Vessel calculator uses Average Current Speed for Skin Friction = sqrt(Skin Friction of a Vessel/(0.5*Water Density*Skin Friction Coefficient*Wetted Surface Area*cos(Angle of the Current))) to calculate the Average Current Speed for Skin Friction, The Average Current Speed given Skin Friction of Vessel formula is defined as the effective speed at which a vessel moves through water, accounting for the resistance caused by skin friction. This denotes the mean speed of the water currents in which a vessel operates. Current speed can vary due to tidal fluctuations, wind-driven currents, and other factors. Average Current Speed for Skin Friction is denoted by V_cs symbol.

How to calculate Average Current Speed given Skin Friction of Vessel using this online calculator? To use this online calculator for Average Current Speed given Skin Friction of Vessel, enter Skin Friction of a Vessel (F_c,fric), Water Density (ρ_water), Skin Friction Coefficient (c_f), Wetted Surface Area (S) & Angle of the Current (θ_c) and hit the calculate button. Here is how the Average Current Speed given Skin Friction of Vessel calculation can be explained with given input values -> 0.267211 = sqrt(42/(0.5*1000*0.72*4*cos(1.15))).

FAQ

What is Average Current Speed given Skin Friction of Vessel?

The Average Current Speed given Skin Friction of Vessel formula is defined as the effective speed at which a vessel moves through water, accounting for the resistance caused by skin friction. This denotes the mean speed of the water currents in which a vessel operates. Current speed can vary due to tidal fluctuations, wind-driven currents, and other factors and is represented as V_cs = sqrt(F_c,fric/(0.5*ρ_water*c_f*S*cos(θ_c))) or Average Current Speed for Skin Friction = sqrt(Skin Friction of a Vessel/(0.5*Water Density*Skin Friction Coefficient*Wetted Surface Area*cos(Angle of the Current))). Skin Friction of a Vessel is defined as the friction at the surface of a solid and a fluid in relative motion, Water Density is mass per unit volume of water, Skin Friction Coefficient refers to the dimensionless parameter that quantifies the resistance between the surface of a structure and the surrounding soil or water, Wetted Surface Area is the total area of outer surface in contact with the surrounding water & Angle of the Current refers to the direction at which ocean currents or tidal flows approach a coastline or a coastal structure, relative to a defined reference direction.

How to calculate Average Current Speed given Skin Friction of Vessel?

The Average Current Speed given Skin Friction of Vessel formula is defined as the effective speed at which a vessel moves through water, accounting for the resistance caused by skin friction. This denotes the mean speed of the water currents in which a vessel operates. Current speed can vary due to tidal fluctuations, wind-driven currents, and other factors is calculated using Average Current Speed for Skin Friction = sqrt(Skin Friction of a Vessel/(0.5*Water Density*Skin Friction Coefficient*Wetted Surface Area*cos(Angle of the Current))). To calculate Average Current Speed given Skin Friction of Vessel, you need Skin Friction of a Vessel (F_c,fric), Water Density (ρ_water), Skin Friction Coefficient (c_f), Wetted Surface Area (S) & Angle of the Current (θ_c). With our tool, you need to enter the respective value for Skin Friction of a Vessel, Water Density, Skin Friction Coefficient, Wetted Surface Area & Angle of the Current and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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