Local friction coefficient Calculator

✖Reynolds number(x) at a distance X from the leading edge.ⓘ Reynolds Number(x) [Re_x]

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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.ⓘ Local friction coefficient [C_fx]

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Local friction coefficient Solution

STEP 0: Pre-Calculation Summary

Formula Used

Local Friction Coefficient = 0.0592*(Reynolds Number(x)^(-0.2))
C_fx = 0.0592*(Re_x^(-0.2))
This formula uses 2 Variables

Variables Used

Local Friction Coefficient - Local Friction Coefficient for the flow in ducts is the ratio of wall shearing stress and dynamic head of the stream.
Reynolds Number(x) - Reynolds number(x) at a distance X from the leading edge.

STEP 1: Convert Input(s) to Base Unit

Reynolds Number(x): 8.314 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

C_fx = 0.0592*(Re_x^(-0.2)) --> 0.0592*(8.314^(-0.2))

Evaluating ... ...

C_fx = 0.0387578522400504

STEP 3: Convert Result to Output's Unit

0.0387578522400504 --> No Conversion Required

FINAL ANSWER

0.0387578522400504 ≈ 0.038758 <-- Local Friction Coefficient

(Calculation completed in 00.004 seconds)

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Created by Nishan Poojary

Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi

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< Turbulent Flow Calculators

Hydrodynamic boundary layer thickness at X

LaTeX Go Hydrodynamic Boundary Layer Thickness = 0.381*Distance from Leading Edge*(Reynolds Number^(-0.2))

Nusselt number at distance x from leading edge

LaTeX Go Nusselt Number(x) = 0.0296*(Reynolds Number(x)^0.8)*(Prandtl Number^0.33)

Hydrodynamic boundary layer thickness given displacement thickness

LaTeX Go Hydrodynamic Boundary Layer Thickness = 8*Displacement Thickness at X

Displacement thickness at X

LaTeX Go Displacement Thickness at X = Hydrodynamic Boundary Layer Thickness/8

Local friction coefficient Formula

LaTeX Go

Local Friction Coefficient = 0.0592*(Reynolds Number(x)^(-0.2))
C_fx = 0.0592*(Re_x^(-0.2))

What is external flow?

In fluid mechanics, external flow is such a flow that boundary layers develop freely, without constraints imposed by adjacent surfaces. Accordingly, there will always exist a region of the flow outside the boundary layer in which velocity, temperature, and/or concentration gradients are negligible. It can be defined as the flow of a fluid around a body that is completely submerged in it.

An example includes fluid motion over a flat plate (inclined or parallel to the free stream velocity) and flow over curved surfaces such as a sphere, cylinder, airfoil, or turbine blade, air flowing around an airplane and water flowing around the submarines.

How to Calculate Local friction coefficient?

Local friction coefficient calculator uses Local Friction Coefficient = 0.0592*(Reynolds Number(x)^(-0.2)) to calculate 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 calculate Local friction coefficient using this online calculator? To use this online calculator for Local friction coefficient, enter Reynolds Number(x) (Re_x) and hit the calculate button. Here is how the Local friction coefficient calculation can be explained with given input values -> 0.038758 = 0.0592*(8.314^(-0.2)).

FAQ

What is 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 and is represented as C_fx = 0.0592*(Re_x^(-0.2)) or Local Friction Coefficient = 0.0592*(Reynolds Number(x)^(-0.2)). Reynolds number(x) at a distance X from the leading edge.

How to calculate 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 is calculated using Local Friction Coefficient = 0.0592*(Reynolds Number(x)^(-0.2)). To calculate Local friction coefficient, you need Reynolds Number(x) (Re_x). With our tool, you need to enter the respective value for Reynolds Number(x) 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 Local Friction Coefficient?

In this formula, Local Friction Coefficient uses Reynolds Number(x). We can use 1 other way(s) to calculate the same, which is/are as follows -

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

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