Skin Friction Coefficient given Skin Friction of Vessel Solution

STEP 0: Pre-Calculation Summary
Formula Used
Skin friction coefficient = Skin Friction of a Vessel/(0.5*Density of Water*Wetted Surface Area*Average Current Speed^2*cos(Angle of the Current))
cf = Fc,fric/(0.5*ρ*S*Vc^2*cos(θc))
This formula uses 1 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)
Variables Used
Skin friction coefficient - Skin friction coefficient is an important dimensionless parameter in boundary-layer flows. It specifies the fraction of the local dynamic pressure.
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.
Density of Water - (Measured in Kilogram per Cubic Meter) - The Density of Water is mass per unit of water.
Wetted Surface Area - (Measured in Square Meter) - Wetted Surface Area [length^2] is the total area of outer surface in contact with the surrounding water.
Average Current Speed - (Measured in Meter per Second) - The Average Current Speed [length/time] defined as the speed of Ocean currents that are continuous, predictable, directional movement of seawater.
Angle of the Current - Angle of the Current Relative to the Longitudinal Axis of the Vessel.
STEP 1: Convert Input(s) to Base Unit
Skin Friction of a Vessel: 42 --> No Conversion Required
Density of Water: 1000 Kilogram per Cubic Meter --> 1000 Kilogram per Cubic Meter No Conversion Required
Wetted Surface Area: 4 Square Meter --> 4 Square Meter No Conversion Required
Average Current Speed: 0.26 Meter per Second --> 0.26 Meter per Second No Conversion Required
Angle of the Current: 20 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
cf = Fc,fric/(0.5*ρ*S*Vc^2*cos(θc)) --> 42/(0.5*1000*4*0.26^2*cos(20))
Evaluating ... ...
cf = 0.761246123374124
STEP 3: Convert Result to Output's Unit
0.761246123374124 --> No Conversion Required
FINAL ANSWER
0.761246123374124 0.761246 <-- Skin friction coefficient
(Calculation completed in 00.020 seconds)

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6 Skin Friction Calculators

Average Current Speed given Skin Friction of Vessel
Go Average Current Speed = sqrt(Skin Friction of a Vessel/(0.5*Density of Water*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*Density of Water*Wetted Surface Area*Average Current Speed^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*Density of Water*Skin friction coefficient*Average Current Speed^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*Density of Water*Skin friction coefficient*Wetted Surface Area*Average Current Speed^2*cos(Angle of the Current)
Reynolds Number given Skin Friction Coefficient
Go Reynolds Number = (Average Current Speed*Waterline Length of a Vessel*cos(Angle of the Current))/Kinematic Viscosity
Skin Friction Coefficient as Function of Reynolds Number
Go Skin friction coefficient = 0.075/(log10(Reynolds Number)-2)^2

Skin Friction Coefficient given Skin Friction of Vessel Formula

Skin friction coefficient = Skin Friction of a Vessel/(0.5*Density of Water*Wetted Surface Area*Average Current Speed^2*cos(Angle of the Current))
cf = Fc,fric/(0.5*ρ*S*Vc^2*cos(θc))

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 Skin Friction Coefficient given Skin Friction of Vessel?

Skin Friction Coefficient given Skin Friction of Vessel calculator uses Skin friction coefficient = Skin Friction of a Vessel/(0.5*Density of Water*Wetted Surface Area*Average Current Speed^2*cos(Angle of the Current)) to calculate the Skin friction coefficient, Skin Friction Coefficient given Skin Friction of Vessel is defined as important dimensionless parameter in boundary-layer flows. Skin friction coefficient is denoted by cf symbol.

How to calculate Skin Friction Coefficient given Skin Friction of Vessel using this online calculator? To use this online calculator for Skin Friction Coefficient given Skin Friction of Vessel, enter Skin Friction of a Vessel (Fc,fric), Density of Water (ρ), Wetted Surface Area (S), Average Current Speed (Vc) & Angle of the Current c) and hit the calculate button. Here is how the Skin Friction Coefficient given Skin Friction of Vessel calculation can be explained with given input values -> 8.2E-5 = 42/(0.5*1000*4*0.26^2*cos(20)).

FAQ

What is Skin Friction Coefficient given Skin Friction of Vessel?
Skin Friction Coefficient given Skin Friction of Vessel is defined as important dimensionless parameter in boundary-layer flows and is represented as cf = Fc,fric/(0.5*ρ*S*Vc^2*cos(θc)) or Skin friction coefficient = Skin Friction of a Vessel/(0.5*Density of Water*Wetted Surface Area*Average Current Speed^2*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, The Density of Water is mass per unit of water, Wetted Surface Area [length^2] is the total area of outer surface in contact with the surrounding water, The Average Current Speed [length/time] defined as the speed of Ocean currents that are continuous, predictable, directional movement of seawater & Angle of the Current Relative to the Longitudinal Axis of the Vessel.
How to calculate Skin Friction Coefficient given Skin Friction of Vessel?
Skin Friction Coefficient given Skin Friction of Vessel is defined as important dimensionless parameter in boundary-layer flows is calculated using Skin friction coefficient = Skin Friction of a Vessel/(0.5*Density of Water*Wetted Surface Area*Average Current Speed^2*cos(Angle of the Current)). To calculate Skin Friction Coefficient given Skin Friction of Vessel, you need Skin Friction of a Vessel (Fc,fric), Density of Water (ρ), Wetted Surface Area (S), Average Current Speed (Vc) & Angle of the Current c). With our tool, you need to enter the respective value for Skin Friction of a Vessel, Density of Water, Wetted Surface Area, Average Current Speed & 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.
How many ways are there to calculate Skin friction coefficient?
In this formula, Skin friction coefficient uses Skin Friction of a Vessel, Density of Water, Wetted Surface Area, Average Current Speed & Angle of the Current. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Skin friction coefficient = 0.075/(log10(Reynolds Number)-2)^2
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