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Skin-Friction Drag Coefficient Formula

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The Skin Friction Coefficient is a dimensionless number representing the frictional resistance experienced by a fluid flowing over a surface, crucial in fluid dynamics analysis. Check FAQs

c f = \frac{F skin}{q \cdot S}

c_f - Skin Friction Coefficient?F_skin - Skin Friction Drag Force?q - Dynamic Pressure?S - Reference Area?

Skin-Friction Drag Coefficient Example

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Here is how the Skin-Friction Drag Coefficient equation looks like with Values.

Here is how the Skin-Friction Drag Coefficient equation looks like with Units.

Here is how the Skin-Friction Drag Coefficient equation looks like.

1.9685 = \frac{100}{10 \cdot 5.08}

1.9685 = \frac{100N}{10Pa \cdot 5.08m²}

1.9685 = \frac{100}{10 \cdot 5.08}

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Skin-Friction Drag Coefficient Solution

Follow our step by step solution on how to calculate Skin-Friction Drag Coefficient?

FIRST Step Consider the formula

c f = \frac{F skin}{q \cdot S}

Next Step Substitute values of Variables

∴

c f = \frac{100N}{10Pa \cdot 5.08m²}

Next Step Prepare to Evaluate

∴

c f = \frac{100}{10 \cdot 5.08}

Next Step Evaluate

∴

c f = 1.96850393700787

LAST Step Rounding Answer

∴

c f = 1.9685

Skin-Friction Drag Coefficient Formula Elements

Variables

Skin Friction Coefficient

The Skin Friction Coefficient is a dimensionless number representing the frictional resistance experienced by a fluid flowing over a surface, crucial in fluid dynamics analysis.

Symbol: c_f

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Skin Friction Coefficient

Skin Friction Drag Force

The Skin Friction Drag Force is the resistance experienced by a surface due to the viscosity of the fluid flowing over it, impacting the overall drag on the object.

Symbol: F_skin

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Skin Friction Drag Force

Dynamic Pressure

The Dynamic Pressure is the pressure associated with the motion of a fluid, reflecting the kinetic energy per unit volume of the flow.

Symbol: q

Measurement: PressureUnit: Pa

Note: Value should be greater than 0.

Formulas to find Dynamic Pressure

Reference Area

The Reference Area is the characteristic surface area used in fluid mechanics to analyze viscous flow around objects, particularly in hypersonic flow scenarios.

Symbol: S

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Reference Area

Other formulas in Viscous Flow category

Go Adiabatic Wall Enthalpy for Flat Plate

h aw = he + r \cdot (h 0 - he)

Go Adiabatic Wall Enthalpy using Recovery Factor

h aw = he + r \cdot \frac{{u e}^{2}}{2}

Go Aerodynamic Heating Equation for Stanton number

St = \frac{q w}{ρ e \cdot u e \cdot (h aw - h w)}

Go Coefficient of Friction using Stanton Number for Flat Plate Case

μ friction = \frac{2 \cdot St}{{Pr}^{- \frac{2}{3}}}

How to Evaluate Skin-Friction Drag Coefficient?

Skin-Friction Drag Coefficient evaluator uses Skin Friction Coefficient = Skin Friction Drag Force/(Dynamic Pressure*Reference Area) to evaluate the Skin Friction Coefficient, Skin-Friction Drag Coefficient formula is defined as a dimensionless value that quantifies the frictional force exerted by a fluid on a flat plate, providing a measure of the resistance to fluid flow over a surface, which is essential in understanding and predicting the behavior of fluids in various engineering applications. Skin Friction Coefficient is denoted by c_f symbol.

How to evaluate Skin-Friction Drag Coefficient using this online evaluator? To use this online evaluator for Skin-Friction Drag Coefficient, enter Skin Friction Drag Force (F_skin), Dynamic Pressure (q) & Reference Area (S) and hit the calculate button.

FAQs on Skin-Friction Drag Coefficient

What is the formula to find Skin-Friction Drag Coefficient?

The formula of Skin-Friction Drag Coefficient is expressed as Skin Friction Coefficient = Skin Friction Drag Force/(Dynamic Pressure*Reference Area). Here is an example- 1.968504 = 100/(10*5.08).

How to calculate Skin-Friction Drag Coefficient?

With Skin Friction Drag Force (F_skin), Dynamic Pressure (q) & Reference Area (S) we can find Skin-Friction Drag Coefficient using the formula - Skin Friction Coefficient = Skin Friction Drag Force/(Dynamic Pressure*Reference Area).

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Skin-Friction Drag Coefficient Formula

Skin-Friction Drag Coefficient Example

Skin-Friction Drag Coefficient Solution

Skin-Friction Drag Coefficient Formula Elements

Other formulas in Viscous Flow category

How to Evaluate Skin-Friction Drag Coefficient?

FAQs on Skin-Friction Drag Coefficient

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