Coefficient of Drag Calculator

✖Drag Force is the resisting force experienced by an object moving through a fluid.ⓘ Drag Force [F_D]			+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%
✖Area for flow decreases velocity increases and vice versa. For subsonic flows, M < 1, the behavior resembles that for incompressible flows.ⓘ Area for Flow [A]			+10% -10%

✖Drag Coefficient is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.ⓘ Coefficient of Drag [C_D]

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Formula

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Coefficient of Drag

Formula

`"C"_{"D"} = "F"_{"D"}/("q"*"A")`

Example

`"0.16"="80N"/("10Pa"*"50m²")`

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Coefficient of Drag Solution

STEP 0: Pre-Calculation Summary

Formula Used

Drag Coefficient = Drag Force/(Dynamic Pressure*Area for Flow)
C_D = F_D/(q*A)
This formula uses 4 Variables

Variables Used

Drag Coefficient - Drag Coefficient is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.
Drag Force - (Measured in Newton) - Drag Force is the resisting force experienced by an object moving through a fluid.
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.
Area for Flow - (Measured in Square Meter) - Area for flow decreases velocity increases and vice versa. For subsonic flows, M < 1, the behavior resembles that for incompressible flows.

STEP 1: Convert Input(s) to Base Unit

Drag Force: 80 Newton --> 80 Newton No Conversion Required
Dynamic Pressure: 10 Pascal --> 10 Pascal No Conversion Required
Area for Flow: 50 Square Meter --> 50 Square Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

C_D = F_D/(q*A) --> 80/(10*50)

Evaluating ... ...

C_D = 0.16

STEP 3: Convert Result to Output's Unit

0.16 --> No Conversion Required

FINAL ANSWER

0.16 <-- Drag 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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K J Somaiya College of Engineering (K J Somaiya), Mumbai

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< 20 Hypersonic Flow Parameters Calculators

Coefficient of Pressure with Similarity Parameters

Go Pressure Coefficient = 2*Flow Deflection angle^2*((Specific Heat Ratio+1)/4+sqrt(((Specific Heat Ratio+1)/4)^2+1/Hypersonic Similarity Parameter^2))

Pressure Ratio having High Mach Number with Similarity Constant

Go Pressure Ratio = (1-((Specific Heat Ratio-1)/2)*Hypersonic Similarity Parameter)^(2*Specific Heat Ratio/(Specific Heat Ratio-1))

Mach Number with Fluids

Go Mach Number = Fluid Velocity/(sqrt(Specific Heat Ratio*Universal Gas Constant*Final Temperature))

Pressure Ratio for High Mach Number

Go Pressure Ratio = (Mach Number ahead of shock/Mach Number behind shock)^(2*Specific Heat Ratio/(Specific Heat Ratio-1))

Moment Coefficient

Go Moment Coefficient = Moment/(Dynamic Pressure*Area for Flow*Chord Length)

Deflection Angle

Go Deflection Angle = 2/(Specific Heat Ratio-1)*(1/Mach Number ahead of shock-1/Mach Number behind shock)

Normal Force Coefficient

Go Coefficient of Force = Normal Force/(Dynamic Pressure*Area for Flow)

Supersonic Expression for Pressure Coefficient on Surface with Local Deflection Angle

Go Pressure Coefficient = (2*Deflection Angle)/(sqrt(Mach Number^2-1))

Dynamic Pressure given Coefficient of Lift

Go Dynamic Pressure = Lift Force/(Lift Coefficient*Area for Flow)

Coefficient of Drag

Go Drag Coefficient = Drag Force/(Dynamic Pressure*Area for Flow)

Dynamic Pressure

Go Dynamic Pressure = Drag Force/(Drag Coefficient*Area for Flow)

Lift Coefficient

Go Lift Coefficient = Lift Force/(Dynamic Pressure*Area for Flow)

Axial Force Coefficient

Go Coefficient of Force = Force/(Dynamic Pressure*Area for Flow)

Drag Force

Go Drag Force = Drag Coefficient*Dynamic Pressure*Area for Flow

Lift Force

Go Lift Force = Lift Coefficient*Dynamic Pressure*Area for Flow

Mach Ratio at High Mach Number

Go Mach Ratio = 1-Hypersonic Similarity Parameter*((Specific Heat Ratio-1)/2)

Hypersonic Similarity Parameter

Go Hypersonic Similarity Parameter = Mach Number*Flow Deflection angle

Shear-Stress Distribution

Go Shear Stress = Viscosity Coefficient*Velocity Gradient

Fourier's Law of Heat Conduction

Go Heat Flux = Thermal Conductivity*Temperature Gradient

Newtonian Sine Squared Law for Pressure Coefficient

Go Pressure Coefficient = 2*sin(Deflection Angle)^2

Coefficient of Drag Formula

Drag Coefficient = Drag Force/(Dynamic Pressure*Area for Flow)
C_D = F_D/(q*A)

What id coefficient of drag?.

In fluid dynamics, the drag coefficient is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water

How to Calculate Coefficient of Drag?

Coefficient of Drag calculator uses Drag Coefficient = Drag Force/(Dynamic Pressure*Area for Flow) to calculate the Drag Coefficient, The coefficient of drag formula is defined as ratio of drag force acting on the body to the product of dynamic pressure and reference area. Drag Coefficient is denoted by C_D symbol.

How to calculate Coefficient of Drag using this online calculator? To use this online calculator for Coefficient of Drag, enter Drag Force (F_D), Dynamic Pressure (q) & Area for Flow (A) and hit the calculate button. Here is how the Coefficient of Drag calculation can be explained with given input values -> 0.16 = 80/(10*50).

FAQ

What is Coefficient of Drag?

The coefficient of drag formula is defined as ratio of drag force acting on the body to the product of dynamic pressure and reference area and is represented as C_D = F_D/(q*A) or Drag Coefficient = Drag Force/(Dynamic Pressure*Area for Flow). Drag Force is the resisting force experienced by an object moving through a fluid, Dynamic Pressure is simply a convenient name for the quantity which represents the decrease in the pressure due to the velocity of the fluid & Area for flow decreases velocity increases and vice versa. For subsonic flows, M < 1, the behavior resembles that for incompressible flows.

How to calculate Coefficient of Drag?

The coefficient of drag formula is defined as ratio of drag force acting on the body to the product of dynamic pressure and reference area is calculated using Drag Coefficient = Drag Force/(Dynamic Pressure*Area for Flow). To calculate Coefficient of Drag, you need Drag Force (F_D), Dynamic Pressure (q) & Area for Flow (A). With our tool, you need to enter the respective value for Drag Force, Dynamic Pressure & Area for Flow 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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