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Reynolds Number given Skin Friction Coefficient Formula

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Reynolds Number for Skin Friction is a dimensionless quantity used to predict flow patterns in different fluid flow situations. Check FAQs

Re s = \frac{V c \cdot l wl \cdot \cos (θ c)}{ν'}

Re_s - Reynolds Number for Skin Friction?V_c - Average Current Speed?l_wl - Waterline Length of a Vessel?θ_c - Angle of the Current?ν^' - Kinematic Viscosity in Stokes?

Reynolds Number given Skin Friction Coefficient Example

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Here is how the Reynolds Number given Skin Friction Coefficient equation looks like with Values.

Here is how the Reynolds Number given Skin Friction Coefficient equation looks like with Units.

Here is how the Reynolds Number given Skin Friction Coefficient equation looks like.

834.31 = \frac{728.2461 \cdot 7.32 \cdot \cos (1.15)}{7.25}

834.31 = \frac{728.2461m/h \cdot 7.32m \cdot \cos (1.15)}{7.25St}

834.31 = \frac{728.2461 \cdot 7.32 \cdot \cos (1.15)}{7.25}

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Reynolds Number given Skin Friction Coefficient Solution

Follow our step by step solution on how to calculate Reynolds Number given Skin Friction Coefficient?

FIRST Step Consider the formula

Re s = \frac{V c \cdot l wl \cdot \cos (θ c)}{ν'}

Next Step Substitute values of Variables

∴

Re s = \frac{728.2461m/h \cdot 7.32m \cdot \cos (1.15)}{7.25St}

Next Step Convert Units

∴

Re s = \frac{0.2023m/s \cdot 7.32m \cdot \cos (1.15)}{0.0007m²/s}

Next Step Prepare to Evaluate

∴

Re s = \frac{0.2023 \cdot 7.32 \cdot \cos (1.15)}{0.0007}

Next Step Evaluate

∴

Re s = 834.310001337698

LAST Step Rounding Answer

∴

Re s = 834.31

Reynolds Number given Skin Friction Coefficient Formula Elements

Variables

Functions

Reynolds Number for Skin Friction

Reynolds Number for Skin Friction is a dimensionless quantity used to predict flow patterns in different fluid flow situations.

Symbol: Re_s

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Reynolds Number for Skin Friction

Average Current Speed

Average Current Speed for propeller drag refers to calculating propeller drag in water depending on factors, including the type of vessel, size and shape of propeller, and operating conditions.

Symbol: V_c

Measurement: SpeedUnit: m/h

Note: Value can be positive or negative.

Formulas to find Average Current Speed

Waterline Length of a Vessel

Waterline Length of a Vessel is the length of a ship or boat at the level where it sits in the water.

Symbol: l_wl

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Waterline Length of a Vessel

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

Kinematic Viscosity in Stokes

Kinematic Viscosity in Stokes is defined as the ratio between the dynamic viscosity μ and the density ρ of the fluid.

Symbol: ν^'

Measurement: Kinematic ViscosityUnit: St

Note: Value should be greater than 0.

Formulas to find Kinematic Viscosity in Stokes

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 Reynolds Number given Skin Friction Coefficient?

Reynolds Number given Skin Friction Coefficient evaluator uses Reynolds Number for Skin Friction = (Average Current Speed*Waterline Length of a Vessel*cos(Angle of the Current))/Kinematic Viscosity in Stokes to evaluate the Reynolds Number for Skin Friction, The Reynolds Number given Skin Friction Coefficient formula is defined as the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities. Reynolds Number for Skin Friction is denoted by Re_s symbol.

How to evaluate Reynolds Number given Skin Friction Coefficient using this online evaluator? To use this online evaluator for Reynolds Number given Skin Friction Coefficient, enter Average Current Speed (V_c), Waterline Length of a Vessel (l_wl), Angle of the Current (θ_c) & Kinematic Viscosity in Stokes (ν^') and hit the calculate button.

FAQs on Reynolds Number given Skin Friction Coefficient

What is the formula to find Reynolds Number given Skin Friction Coefficient?

The formula of Reynolds Number given Skin Friction Coefficient is expressed as Reynolds Number for Skin Friction = (Average Current Speed*Waterline Length of a Vessel*cos(Angle of the Current))/Kinematic Viscosity in Stokes. Here is an example- 834.31 = (0.202290583333333*7.32*cos(1.15))/0.000725.

How to calculate Reynolds Number given Skin Friction Coefficient?

With Average Current Speed (V_c), Waterline Length of a Vessel (l_wl), Angle of the Current (θ_c) & Kinematic Viscosity in Stokes (ν^') we can find Reynolds Number given Skin Friction Coefficient using the formula - Reynolds Number for Skin Friction = (Average Current Speed*Waterline Length of a Vessel*cos(Angle of the Current))/Kinematic Viscosity in Stokes. This formula also uses Cosine (cos) function(s).

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Reynolds Number given Skin Friction Coefficient Formula

Reynolds Number given Skin Friction Coefficient Example

Reynolds Number given Skin Friction Coefficient Solution

Reynolds Number given Skin Friction Coefficient Formula Elements

Other formulas in Skin Friction category

How to Evaluate Reynolds Number given Skin Friction Coefficient?

FAQs on Reynolds Number given Skin Friction Coefficient

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