Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient Calculator

✖Overall Skin-friction Drag Coefficient is an important dimensionless parameter in boundary-layer flows. It specifies the fraction of the local dynamic pressure.ⓘ Overall Skin-friction Drag Coefficient [C_f]

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✖Reynolds number using chord length, where the length is usually the chord length of an airfoil or the chord length of a wing. The chord length of a wing may vary from root to tip.ⓘ Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient [Re_c]

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Formula

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Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient

Formula

`"Re"_{"c"} = (1.328/"C"_{"f"})^2`

Example

`"3.928679"=(1.328/"0.67")^2`

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Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient Solution

STEP 0: Pre-Calculation Summary

Formula Used

Reynolds number using chord length = (1.328/Overall Skin-friction Drag Coefficient)^2
Re_c = (1.328/C_f)^2
This formula uses 2 Variables

Variables Used

Reynolds number using chord length - Reynolds number using chord length, where the length is usually the chord length of an airfoil or the chord length of a wing. The chord length of a wing may vary from root to tip.
Overall Skin-friction Drag Coefficient - Overall Skin-friction Drag Coefficient is an important dimensionless parameter in boundary-layer flows. It specifies the fraction of the local dynamic pressure.

STEP 1: Convert Input(s) to Base Unit

Overall Skin-friction Drag Coefficient: 0.67 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Re_c = (1.328/C_f)^2 --> (1.328/0.67)^2

Evaluating ... ...

Re_c = 3.92867899309423

STEP 3: Convert Result to Output's Unit

3.92867899309423 --> No Conversion Required

FINAL ANSWER

3.92867899309423 ≈ 3.928679 <-- Reynolds number using chord length

(Calculation completed in 00.004 seconds)

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Home » Engineering » Mechanical » Fluid Mechanics » Hypersonic Flow » Flat Plate for Viscous Flow Case » Reference Temperature Method » Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient

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Created by Sanjay Krishna

Amrita School of Engineering (ASE), Vallikavu

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Indian Institute for Aeronautical Engineering and Information Technology (IIAEIT), Pune

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< 15 Reference Temperature Method Calculators

Mach Number at Reference Temperature

Go Mach Number = sqrt((Reference temperature/Static Temperature-(1+0.58*(Wall Temperature/Static Temperature-1)))/0.032)

Wall Temperature using Reference Temperature

Go Wall Temperature = Static Temperature/0.588*(Reference temperature/Static Temperature-(1+0.032*Mach Number^2))+1

Reference Temperature Equation

Go Reference temperature = Static Temperature*(1+0.032*Mach Number^2+0.58*(Wall Temperature/Static Temperature-1))

Static Velocity of Plate using Chord Length for Flat Plate Case

Go Static Velocity = (Reynolds number using chord length*Static Viscosity)/(Static density*Chord Length)

Static Density of Plate using Chord Length for Flat Plate Case

Go Static density = (Reynolds number using chord length*Static Viscosity)/(Static Velocity*Chord Length)

Chord Length for Flat Plate Case

Go Chord Length = (Reynolds number using chord length*Static Viscosity)/(Static Velocity*Static density)

Static Viscosity of Plate using Chord Length for Flat Plate Case

Go Static Viscosity = Static density*Static Velocity*Chord Length/Reynolds number using chord length

Reynolds Number for Chord Length

Go Reynolds number using chord length = Static density*Static Velocity*Chord Length/Static Viscosity

Stanton Number Obtained from Classical Theory

Go Stanton Number = 0.332/sqrt(Local Reynolds Number)*Prandtl Number^(-2/3)

Overall Skin-Friction Drag Coefficient

Go Overall Skin-friction Drag Coefficient = 1.328/sqrt(Reynolds number using chord length)

Overall Skin-Friction Drag Coefficient for Incompressible Flow

Go Overall Skin-friction Drag Coefficient = 0.02667/(Reynolds number using chord length)^0.139

Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient

Go Reynolds number using chord length = (1.328/Overall Skin-friction Drag Coefficient)^2

Local Turbulent Skin-Friction Coefficient for Incompressible Flow

Go Local Skin-Friction Coefficient = 0.02296/(Local Reynolds Number^0.139)

Local Reynolds Number

Go Local Reynolds Number = (0.664^2)/Local Skin-Friction Coefficient^2

Turbulent Flat-Plate Skin-Friction Coefficient

Go Skin friction coefficient = 0.0592/(Local Reynolds Number)^0.2

Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient Formula

Reynolds number using chord length = (1.328/Overall Skin-friction Drag Coefficient)^2
Re_c = (1.328/C_f)^2

What is a Reynolds number?

The Reynolds number is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities.

How to Calculate Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient?

Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient calculator uses Reynolds number using chord length = (1.328/Overall Skin-friction Drag Coefficient)^2 to calculate the Reynolds number using chord length, The Reynolds number for chord length using Overall skin-friction drag coefficient formula is inversely proportional to the square of the overall skin friction coefficient. Reynolds number using chord length is denoted by Re_c symbol.

How to calculate Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient using this online calculator? To use this online calculator for Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient, enter Overall Skin-friction Drag Coefficient (C_f) and hit the calculate button. Here is how the Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient calculation can be explained with given input values -> 3.928679 = (1.328/0.67)^2.

FAQ

What is Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient?

The Reynolds number for chord length using Overall skin-friction drag coefficient formula is inversely proportional to the square of the overall skin friction coefficient and is represented as Re_c = (1.328/C_f)^2 or Reynolds number using chord length = (1.328/Overall Skin-friction Drag Coefficient)^2. Overall Skin-friction Drag Coefficient is an important dimensionless parameter in boundary-layer flows. It specifies the fraction of the local dynamic pressure.

How to calculate Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient?

The Reynolds number for chord length using Overall skin-friction drag coefficient formula is inversely proportional to the square of the overall skin friction coefficient is calculated using Reynolds number using chord length = (1.328/Overall Skin-friction Drag Coefficient)^2. To calculate Reynolds Number for Chord Length using Overall Skin-Friction Drag Coefficient, you need Overall Skin-friction Drag Coefficient (C_f). With our tool, you need to enter the respective value for Overall Skin-friction Drag Coefficient 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 Reynolds number using chord length?

In this formula, Reynolds number using chord length uses Overall Skin-friction Drag Coefficient. We can use 1 other way(s) to calculate the same, which is/are as follows -

Reynolds number using chord length = Static density*Static Velocity*Chord Length/Static Viscosity

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