Drag Coefficient for Bluff Bodies Formula

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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. Check FAQs
CD=2FDAρFluid(u2)
CD - Drag Coefficient?FD - Drag Force?A - Frontal Area?ρFluid - Density of Fluid?u - Free Stream Velocity?

Drag Coefficient for Bluff Bodies Example

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With units
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Here is how the Drag Coefficient for Bluff Bodies equation looks like with Values.

Here is how the Drag Coefficient for Bluff Bodies equation looks like with Units.

Here is how the Drag Coefficient for Bluff Bodies equation looks like.

0.4043Edit=280Edit2.67Edit1.225Edit(11Edit2)
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Drag Coefficient for Bluff Bodies Solution

Follow our step by step solution on how to calculate Drag Coefficient for Bluff Bodies?

FIRST Step Consider the formula
CD=2FDAρFluid(u2)
Next Step Substitute values of Variables
CD=280N2.671.225kg/m³(11m/s2)
Next Step Prepare to Evaluate
CD=2802.671.225(112)
Next Step Evaluate
CD=0.404284659355431
LAST Step Rounding Answer
CD=0.4043

Drag Coefficient for Bluff Bodies Formula Elements

Variables
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.
Symbol: CD
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Drag Force
Drag Force is the resisting force experienced by an object moving through a fluid.
Symbol: FD
Measurement: ForceUnit: N
Note: Value can be positive or negative.
Frontal Area
Frontal Area of the body exposed to the flow, for a cylinder, is the product of diameter and length.
Symbol: A
Measurement: AreaUnit:
Note: Value should be greater than 0.
Density of Fluid
Density of Fluid is defined as the mass of fluid per unit volume of the said fluid.
Symbol: ρFluid
Measurement: DensityUnit: kg/m³
Note: Value should be greater than 0.
Free Stream Velocity
Free Stream Velocity is defined as at some distance above the boundary the velocity reaches a constant value that is free stream velocity.
Symbol: u
Measurement: SpeedUnit: m/s
Note: Value can be positive or negative.

Other formulas in Convection Heat Transfer category

​Go Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube
=ρFluidATum
​Go Mass Velocity
G=AT
​Go Mass Velocity given Mean Velocity
G=ρFluidum
​Go Reynolds Number given Mass Velocity
Red=Gdμ

How to Evaluate Drag Coefficient for Bluff Bodies?

Drag Coefficient for Bluff Bodies evaluator uses Drag Coefficient = (2*Drag Force)/(Frontal Area*Density of Fluid*(Free Stream Velocity^2)) to evaluate the Drag Coefficient, The Drag Coefficient for Bluff Bodies formula is defined as the function of Drag force, frontal area, density of fluid and free stream velocity. The force exerted on a solid body moving in relation to a fluid by the fluid's movement is known as a drag force. For instance, drag on a moving ship or drag on a flying jet. As a result, a drag force is a resistance created by a body moving through a fluid such as water or air. Drag is generated by the difference in velocity between the solid object and the fluid. There must be motion between the object and the fluid. If there is no motion, there is no drag. It makes no difference whether the object moves through a static fluid or whether the fluid moves past a static solid object. Drag Coefficient is denoted by CD symbol.

How to evaluate Drag Coefficient for Bluff Bodies using this online evaluator? To use this online evaluator for Drag Coefficient for Bluff Bodies, enter Drag Force (FD), Frontal Area (A), Density of Fluid Fluid) & Free Stream Velocity (u) and hit the calculate button.

FAQs on Drag Coefficient for Bluff Bodies

What is the formula to find Drag Coefficient for Bluff Bodies?
The formula of Drag Coefficient for Bluff Bodies is expressed as Drag Coefficient = (2*Drag Force)/(Frontal Area*Density of Fluid*(Free Stream Velocity^2)). Here is an example- 0.404285 = (2*80)/(2.67*1.225*(11^2)).
How to calculate Drag Coefficient for Bluff Bodies?
With Drag Force (FD), Frontal Area (A), Density of Fluid Fluid) & Free Stream Velocity (u) we can find Drag Coefficient for Bluff Bodies using the formula - Drag Coefficient = (2*Drag Force)/(Frontal Area*Density of Fluid*(Free Stream Velocity^2)).
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