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Local Friction Coefficient given Reynolds Number Formula

GoLocal friction coefficient for external flow Formula

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Local Friction Coefficient for the flow in ducts is the ratio of wall shearing stress and dynamic head of the stream. Check FAQs

C fx = 0.664 \cdot {Re x}^{- 0.5}

C_fx - Local Friction Coefficient?Re_x - Reynolds Number(x)?

Local Friction Coefficient given Reynolds Number Example

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

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

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

0.2303 = 0.664 \cdot {8.314}^{- 0.5}

0.2303 = 0.664 \cdot {8.314}^{- 0.5}

0.2303 = 0.664 \cdot {8.314}^{- 0.5}

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Local Friction Coefficient given Reynolds Number Solution

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

FIRST Step Consider the formula

C fx = 0.664 \cdot {Re x}^{- 0.5}

Next Step Substitute values of Variables

∴

C fx = 0.664 \cdot {8.314}^{- 0.5}

Next Step Prepare to Evaluate

∴

C fx = 0.664 \cdot {8.314}^{- 0.5}

Next Step Evaluate

∴

C fx = 0.230283631372351

LAST Step Rounding Answer

∴

C fx = 0.2303

Local Friction Coefficient given Reynolds Number Formula Elements

Variables

Local Friction Coefficient

Local Friction Coefficient for the flow in ducts is the ratio of wall shearing stress and dynamic head of the stream.

Symbol: C_fx

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Local Friction Coefficient

Reynolds Number(x)

Reynolds number(x) at a distance X from the leading edge.

Symbol: Re_x

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Reynolds Number(x)

Other Formulas to find Local Friction Coefficient

Go Local friction coefficient for external flow

C fx = 2 \cdot \frac{τ w}{ρ \cdot {u ∞}^{2}}

Other formulas in Laminar Flow category

Go Hydrodynamic boundary layer thickness at distance X from leading edge

𝛿hx = 5 \cdot x \cdot {Re x}^{- 0.5}

Go Thermal boundary layer thickness at distance X from leading edge

𝛿Tx = 𝛿hx \cdot {Pr}^{- 0.333}

Go Displacement thickness

𝛿 d = \frac{𝛿hx}{3}

Go Momentum thickness

θ = \frac{𝛿hx}{7}

How to Evaluate Local Friction Coefficient given Reynolds Number?

Local Friction Coefficient given Reynolds Number evaluator uses Local Friction Coefficient = 0.664*Reynolds Number(x)^(-0.5) to evaluate the Local Friction Coefficient, Local Friction Coefficient given Reynolds Number formula is defined as a dimensionless quantity that characterizes the frictional force exerted by a fluid on a flat plate, providing a measure of the resistance to fluid flow over a flat surface, which is essential in understanding various engineering and physical phenomena. Local Friction Coefficient is denoted by C_fx symbol.

How to evaluate Local Friction Coefficient given Reynolds Number using this online evaluator? To use this online evaluator for Local Friction Coefficient given Reynolds Number, enter Reynolds Number(x) (Re_x) and hit the calculate button.

FAQs on Local Friction Coefficient given Reynolds Number

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

The formula of Local Friction Coefficient given Reynolds Number is expressed as Local Friction Coefficient = 0.664*Reynolds Number(x)^(-0.5). Here is an example- 0.230284 = 0.664*8.314^(-0.5).

How to calculate Local Friction Coefficient given Reynolds Number?

With Reynolds Number(x) (Re_x) we can find Local Friction Coefficient given Reynolds Number using the formula - Local Friction Coefficient = 0.664*Reynolds Number(x)^(-0.5).

What are the other ways to Calculate Local Friction Coefficient?

Here are the different ways to Calculate Local Friction Coefficient-

Local Friction Coefficient=2*Wall Shear Stress/(Density*Free Stream Velocity^2)

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