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Local friction coefficient Formula

GoLocal friction coefficient for Re greater than 100000000 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 = 0.0592 \cdot ({Re x}^{- 0.2})

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

Local friction coefficient Example

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Here is how the Local friction coefficient equation looks like with Values.

Here is how the Local friction coefficient equation looks like with Units.

Here is how the Local friction coefficient equation looks like.

0.0388 = 0.0592 \cdot ({8.314}^{- 0.2})

0.0388 = 0.0592 \cdot ({8.314}^{- 0.2})

0.0388 = 0.0592 \cdot ({8.314}^{- 0.2})

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Local friction coefficient Solution

Follow our step by step solution on how to calculate Local friction coefficient?

FIRST Step Consider the formula

C fx = 0.0592 \cdot ({Re x}^{- 0.2})

Next Step Substitute values of Variables

∴

C fx = 0.0592 \cdot ({8.314}^{- 0.2})

Next Step Prepare to Evaluate

∴

C fx = 0.0592 \cdot ({8.314}^{- 0.2})

Next Step Evaluate

∴

C fx = 0.0387578522400504

LAST Step Rounding Answer

∴

C fx = 0.0388

Local friction coefficient 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 Re greater than 100000000

C fx = 0.37 \cdot {(\log 10 (Re x))}^{- 2.584}

Other formulas in Turbulent Flow category

Go Hydrodynamic boundary layer thickness at X

𝛿hx = 0.381 \cdot x L \cdot ({Re}^{- 0.2})

Go Displacement thickness at X

𝛿 dx = \frac{𝛿hx}{8}

Go Hydrodynamic boundary layer thickness given displacement thickness

𝛿hx = 8 \cdot 𝛿 dx

Go Nusselt number at distance x from leading edge

Nux = 0.0296 \cdot ({Re x}^{0.8}) \cdot ({Pr}^{0.33})

How to Evaluate Local friction coefficient?

Local friction coefficient evaluator uses Local Friction Coefficient = 0.0592*(Reynolds Number(x)^(-0.2)) to evaluate the Local Friction Coefficient, Local friction coefficient formula is defined as a dimensionless value that characterizes the frictional force exerted by a fluid on a flat plate, which is influenced by the flow conditions and plate surface roughness, and is used to predict the frictional drag and heat transfer in various engineering applications. Local Friction Coefficient is denoted by C_fx symbol.

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

FAQs on Local friction coefficient

What is the formula to find Local friction coefficient?

The formula of Local friction coefficient is expressed as Local Friction Coefficient = 0.0592*(Reynolds Number(x)^(-0.2)). Here is an example- 0.038758 = 0.0592*(8.314^(-0.2)).

How to calculate Local friction coefficient?

With Reynolds Number(x) (Re_x) we can find Local friction coefficient using the formula - Local Friction Coefficient = 0.0592*(Reynolds Number(x)^(-0.2)).

What are the other ways to Calculate Local Friction Coefficient?

Here are the different ways to Calculate Local Friction Coefficient-

Local Friction Coefficient=0.37*(log10(Reynolds Number(x)))^(-2.584)

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