Skin-Friction Drag Coefficient Calculator

✖Skin Friction Drag Force, also known as Friction Drag, is drag caused by the friction of a fluid against the surface of an object that is moving through it.ⓘ Skin Friction Drag Force [F_skin]			+10% -10%
✖Dynamic Pressure is simply a convenient name for the quantity which represents the decrease in the pressure due to the velocity of the fluid.ⓘ Dynamic Pressure [q]			+10% -10%
✖The Reference Area is arbitrarily an area that is characteristic of the object being considered. For an aircraft wing, the wing's planform area is called the reference wing area or simply wing area.ⓘ Reference Area [S]			+10% -10%

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

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Skin-Friction Drag Coefficient

Formula

`"c"_{"f"} = "F"_{"skin"}/("q"*"S")`

Example

`"1.968504"="100N"/("10Pa"*"5.08m²")`

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Skin-Friction Drag Coefficient Solution

STEP 0: Pre-Calculation Summary

Formula Used

Skin friction coefficient = Skin Friction Drag Force/(Dynamic Pressure*Reference Area)
c_f = F_skin/(q*S)
This formula uses 4 Variables

Variables Used

Skin friction coefficient - Skin friction coefficient is an important dimensionless parameter in boundary-layer flows. It specifies the fraction of the local dynamic pressure.
Skin Friction Drag Force - (Measured in Newton) - Skin Friction Drag Force, also known as Friction Drag, is drag caused by the friction of a fluid against the surface of an object that is moving through it.
Dynamic Pressure - (Measured in Pascal) - Dynamic Pressure is simply a convenient name for the quantity which represents the decrease in the pressure due to the velocity of the fluid.
Reference Area - (Measured in Square Meter) - The Reference Area is arbitrarily an area that is characteristic of the object being considered. For an aircraft wing, the wing's planform area is called the reference wing area or simply wing area.

STEP 1: Convert Input(s) to Base Unit

Skin Friction Drag Force: 100 Newton --> 100 Newton No Conversion Required
Dynamic Pressure: 10 Pascal --> 10 Pascal No Conversion Required
Reference Area: 5.08 Square Meter --> 5.08 Square Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

c_f = F_skin/(q*S) --> 100/(10*5.08)

Evaluating ... ...

c_f = 1.96850393700787

STEP 3: Convert Result to Output's Unit

1.96850393700787 --> No Conversion Required

FINAL ANSWER

1.96850393700787 ≈ 1.968504 <-- Skin friction coefficient

(Calculation completed in 00.004 seconds)

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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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Skin-Friction Drag for Flat Plate in Viscous Flow

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Prandtl Number for Flat Plate with Viscous Flow

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Skin-Friction Drag Coefficient Formula

Skin friction coefficient = Skin Friction Drag Force/(Dynamic Pressure*Reference Area)
c_f = F_skin/(q*S)

What is a skin friction drag?

Friction Drag, also known as Skin Friction Drag, is drag caused by the friction of a fluid against the surface of an object that is moving through it.

How to Calculate Skin-Friction Drag Coefficient?

Skin-Friction Drag Coefficient calculator uses Skin friction coefficient = Skin Friction Drag Force/(Dynamic Pressure*Reference Area) to calculate the Skin friction coefficient, The skin-friction drag Coefficient formula is defined as the ratio of skin friction drag to the product of dynamic pressure and reference area. Skin friction coefficient is denoted by c_f symbol.

How to calculate Skin-Friction Drag Coefficient using this online calculator? To use this online calculator for Skin-Friction Drag Coefficient, enter Skin Friction Drag Force (F_skin), Dynamic Pressure (q) & Reference Area (S) and hit the calculate button. Here is how the Skin-Friction Drag Coefficient calculation can be explained with given input values -> 1.968504 = 100/(10*5.08).

FAQ

What is Skin-Friction Drag Coefficient?

The skin-friction drag Coefficient formula is defined as the ratio of skin friction drag to the product of dynamic pressure and reference area and is represented as c_f = F_skin/(q*S) or Skin friction coefficient = Skin Friction Drag Force/(Dynamic Pressure*Reference Area). Skin Friction Drag Force, also known as Friction Drag, is drag caused by the friction of a fluid against the surface of an object that is moving through it, Dynamic Pressure is simply a convenient name for the quantity which represents the decrease in the pressure due to the velocity of the fluid & The Reference Area is arbitrarily an area that is characteristic of the object being considered. For an aircraft wing, the wing's planform area is called the reference wing area or simply wing area.

How to calculate Skin-Friction Drag Coefficient?

The skin-friction drag Coefficient formula is defined as the ratio of skin friction drag to the product of dynamic pressure and reference area is calculated using Skin friction coefficient = Skin Friction Drag Force/(Dynamic Pressure*Reference Area). To calculate Skin-Friction Drag Coefficient, you need Skin Friction Drag Force (F_skin), Dynamic Pressure (q) & Reference Area (S). With our tool, you need to enter the respective value for Skin Friction Drag Force, Dynamic Pressure & Reference Area and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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