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Skin Friction Coefficient given Skin Friction of Vessel Formula

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Skin Friction Coefficient refers to the dimensionless parameter that quantifies the resistance between the surface of a structure and the surrounding soil or water. Check FAQs

c f = \frac{F c,fric}{0.5 \cdot ρ water \cdot S \cdot {V cs}^{2} \cdot \cos (θ c)}

c_f - Skin Friction Coefficient?F_c,fric - Skin Friction of a Vessel?ρ_water - Water Density?S - Wetted Surface Area?V_cs - Average Current Speed for Skin Friction?θ_c - Angle of the Current?

Skin Friction Coefficient given Skin Friction of Vessel Example

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Here is how the Skin Friction Coefficient given Skin Friction of Vessel equation looks like with Values.

Here is how the Skin Friction Coefficient given Skin Friction of Vessel equation looks like with Units.

Here is how the Skin Friction Coefficient given Skin Friction of Vessel equation looks like.

0.7605 = \frac{42}{0.5 \cdot 1000 \cdot 4 \cdot {0.26}^{2} \cdot \cos (1.15)}

0.7605 = \frac{42}{0.5 \cdot 1000kg/m³ \cdot 4m² \cdot {0.26m/s}^{2} \cdot \cos (1.15)}

0.7605 = \frac{42}{0.5 \cdot 1000 \cdot 4 \cdot {0.26}^{2} \cdot \cos (1.15)}

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Skin Friction Coefficient given Skin Friction of Vessel Solution

Follow our step by step solution on how to calculate Skin Friction Coefficient given Skin Friction of Vessel?

FIRST Step Consider the formula

c f = \frac{F c,fric}{0.5 \cdot ρ water \cdot S \cdot {V cs}^{2} \cdot \cos (θ c)}

Next Step Substitute values of Variables

∴

c f = \frac{42}{0.5 \cdot 1000kg/m³ \cdot 4m² \cdot {0.26m/s}^{2} \cdot \cos (1.15)}

Next Step Prepare to Evaluate

∴

c f = \frac{42}{0.5 \cdot 1000 \cdot 4 \cdot {0.26}^{2} \cdot \cos (1.15)}

Next Step Evaluate

∴

c f = 0.760490669925056

LAST Step Rounding Answer

∴

c f = 0.7605

Skin Friction Coefficient given Skin Friction of Vessel Formula Elements

Variables

Functions

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.

Symbol: c_f

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Skin Friction Coefficient

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.

Symbol: F_c,fric

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Skin Friction of a Vessel

Water Density

Water Density is mass per unit volume of water.

Symbol: ρ_water

Measurement: DensityUnit: kg/m³

Note: Value should be greater than 0.

Formulas to find Water Density

Wetted Surface Area

Wetted Surface Area is the total area of outer surface in contact with the surrounding water.

Symbol: S

Measurement: AreaUnit: m²

Note: Value can be positive or negative.

Formulas to find Wetted Surface Area

Average Current Speed for Skin Friction

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.

Symbol: V_cs

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Average Current Speed for Skin Friction

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.

Symbol: θ_c

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Angle of the Current

cos

Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.

Syntax: cos(Angle)

Other formulas in Skin Friction category

Go Undamped Natural Period of Vessel

T n = 2 \cdot π \cdot (\sqrt{\frac{m v}{k tot}})

Go Virtual Mass of Vessel

m v = m + m a

Go Mass of Vessel given Virtual Mass of Vessel

m = m v - m a

Go Individual Stiffness of Mooring Line

k n' = \frac{T n'}{Δl η'}

How to Evaluate Skin Friction Coefficient given Skin Friction of Vessel?

Skin Friction Coefficient given Skin Friction of Vessel evaluator uses 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)) to evaluate the Skin Friction Coefficient, The Skin Friction Coefficient given Skin Friction of Vessel formula is defined as a crucial parameter that relates to the resistance experienced by a vessel or structure moving through water and important dimensionless parameter in boundary-layer flows. Skin Friction Coefficient is denoted by c_f symbol.

How to evaluate Skin Friction Coefficient given Skin Friction of Vessel using this online evaluator? To use this online evaluator for Skin Friction Coefficient given Skin Friction of Vessel, enter Skin Friction of a Vessel (F_c,fric), Water Density (ρ_water), Wetted Surface Area (S), Average Current Speed for Skin Friction (V_cs) & Angle of the Current (θ_c) and hit the calculate button.

FAQs on Skin Friction Coefficient given Skin Friction of Vessel

What is the formula to find Skin Friction Coefficient given Skin Friction of Vessel?

The formula of Skin Friction Coefficient given Skin Friction of Vessel is expressed as 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)). Here is an example- 0.760491 = 42/(0.5*1000*4*0.26^2*cos(1.15)).

How to calculate Skin Friction Coefficient given Skin Friction of Vessel?

With Skin Friction of a Vessel (F_c,fric), Water Density (ρ_water), Wetted Surface Area (S), Average Current Speed for Skin Friction (V_cs) & Angle of the Current (θ_c) we can find Skin Friction Coefficient given Skin Friction of Vessel using the formula - 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)). This formula also uses Cosine (cos) function(s).

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Skin Friction Coefficient given Skin Friction of Vessel Formula

Skin Friction Coefficient given Skin Friction of Vessel Example

Skin Friction Coefficient given Skin Friction of Vessel Solution

Skin Friction Coefficient given Skin Friction of Vessel Formula Elements

Other formulas in Skin Friction category

How to Evaluate Skin Friction Coefficient given Skin Friction of Vessel?

FAQs on Skin Friction Coefficient given Skin Friction of Vessel

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