Drag Force for Bluff Bodies Solution

STEP 0: Pre-Calculation Summary
Formula Used
Drag Force = (Drag Coefficient*Frontal Area*Density of Fluid*(Free Stream Velocity^2))/2
FD = (CD*A*ρFluid*(u^2))/2
This formula uses 5 Variables
Variables Used
Drag Force - (Measured in Newton) - Drag Force is the resisting force experienced by an object moving through a fluid.
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.
Frontal Area - (Measured in Square Meter) - Frontal Area of the body exposed to the flow, for a cylinder, is the product of diameter and length.
Density of Fluid - (Measured in Kilogram per Cubic Meter) - Density of Fluid is defined as the mass of fluid per unit volume of the said fluid.
Free Stream Velocity - (Measured in Meter per Second) - Free Stream Velocity is defined as at some distance above the boundary the velocity reaches a constant value that is free stream velocity.
STEP 1: Convert Input(s) to Base Unit
Drag Coefficient: 0.404 --> No Conversion Required
Frontal Area: 2.67 Square Meter --> 2.67 Square Meter No Conversion Required
Density of Fluid: 1.225 Kilogram per Cubic Meter --> 1.225 Kilogram per Cubic Meter No Conversion Required
Free Stream Velocity: 11 Meter per Second --> 11 Meter per Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
FD = (CD*A*ρFluid*(u^2))/2 --> (0.404*2.67*1.225*(11^2))/2
Evaluating ... ...
FD = 79.9436715
STEP 3: Convert Result to Output's Unit
79.9436715 Newton --> No Conversion Required
FINAL ANSWER
79.9436715 79.94367 Newton <-- Drag Force
(Calculation completed in 00.004 seconds)

Credits

Created by Ayush gupta
University School of Chemical Technology-USCT (GGSIPU), New Delhi
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25 Convection Heat Transfer Calculators

Recovery Factor
Go Recovery Factor = ((Adiabatic Wall Temperature-Static Temperature of Free Stream) /(Stagnation Temperature-Static Temperature of Free Stream))
Local Stanton Number
Go Local Stanton Number = Local Heat Transfer Coefficient/(Density of Fluid*Specific Heat at Constant Pressure*Free Stream Velocity)
Correlation for Local Nusselt Number for Laminar Flow on Isothermal Flat Plate
Go Local Nusselt number = (0.3387*(Local Reynolds Number^(1/2))*(Prandtl Number^(1/3)))/(1+((0.0468/Prandtl Number)^(2/3)))^(1/4)
Correlation for Nusselt Number for Constant Heat Flux
Go Local Nusselt number = (0.4637*(Local Reynolds Number^(1/2))*(Prandtl Number^(1/3)))/(1+((0.0207/Prandtl Number)^(2/3)))^(1/4)
Local Velocity of Sound
Go Local Velocity of Sound = sqrt((Ratio of Specific Heat Capacities*[R]*Temperature of Medium))
Drag Coefficient for Bluff Bodies
Go Drag Coefficient = (2*Drag Force)/(Frontal Area*Density of Fluid*(Free Stream Velocity^2))
Drag Force for Bluff Bodies
Go Drag Force = (Drag Coefficient*Frontal Area*Density of Fluid*(Free Stream Velocity^2))/2
Shear Stress at Wall given Friction Coefficient
Go Shear Stress = (Friction Coefficient*Density of Fluid*(Free Stream Velocity^2))/2
Reynolds Number given Mass Velocity
Go Reynolds Number in Tube = (Mass Velocity*Diameter of Tube)/(Dynamic Viscosity)
Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube
Go Mass Flow Rate = Density of Fluid*Cross Sectional Area*Mean velocity
Nusselt Number for Plate heated over its Entire Length
Go Nusselt Number at Location L = 0.664*((Reynolds Number)^(1/2))*(Prandtl Number^(1/3))
Local Stanton Number given Prandtl Number
Go Local Stanton Number = (0.332*(Local Reynolds Number^(1/2)))/(Prandtl Number^(2/3))
Local Nusselt Number for Constant Heat Flux given Prandtl Number
Go Local Nusselt number = 0.453*(Local Reynolds Number^(1/2))*(Prandtl Number^(1/3))
Local Nusselt Number for Plate Heated over its Entire Length
Go Local Nusselt number = 0.332*(Prandtl Number^(1/3))*(Local Reynolds Number^(1/2))
Nusselt Number for Turbulent Flow in Smooth Tube
Go Nusselt Number = 0.023*(Reynolds Number in Tube^(0.8))*(Prandtl Number^(0.4))
Local Stanton Number given Local Friction Coefficient
Go Local Stanton Number = Local Friction Coefficient/(2*(Prandtl Number^(2/3)))
Local Velocity of Sound when Air Behaves as Ideal Gas
Go Local Velocity of Sound = 20.045*sqrt((Temperature of Medium))
Mass Velocity
Go Mass Velocity = Mass Flow Rate/Cross Sectional Area
Mass Velocity given Mean Velocity
Go Mass Velocity = Density of Fluid*Mean velocity
Local Friction Coefficient given Local Reynolds Number
Go Local Friction Coefficient = 2*0.332*(Local Reynolds Number^(-0.5))
Local Skin Friction Coefficient for Turbulent Flow on Flat Plates
Go Local Friction Coefficient = 0.0592*(Local Reynolds Number^(-1/5))
Friction Factor given Reynolds Number for Flow in Smooth Tubes
Go Fanning Friction Factor = 0.316/((Reynolds Number in Tube)^(1/4))
Stanton Number given Friction Factor for Turbulent Flow in Tube
Go Stanton Number = Fanning Friction Factor/8
Recovery Factor for Gases with Prandtl Number near Unity under Turbulent Flow
Go Recovery Factor = Prandtl Number^(1/3)
Recovery Factor for Gases with Prandtl Number near Unity under Laminar Flow
Go Recovery Factor = Prandtl Number^(1/2)

Drag Force for Bluff Bodies Formula

Drag Force = (Drag Coefficient*Frontal Area*Density of Fluid*(Free Stream Velocity^2))/2
FD = (CD*A*ρFluid*(u^2))/2

What is Convection?

Convection is the process of heat transfer by the bulk movement of molecules within fluids such as gases and liquids. The initial heat transfer between the object and the fluid takes place through conduction, but the bulk heat transfer happens due to the motion of the fluid. Convection is the process of heat transfer in fluids by the actual motion of matter. It happens in liquids and gases. It may be natural or forced. It involves a bulk transfer of portions of the fluid.

What are the Types of Convection?

There are two types of convection, and they are: Natural convection: When convection takes place due to buoyant force as there is a difference in densities caused by the difference in temperatures it is known as natural convection. Examples of natural convection are oceanic winds. Forced convection: When external sources such as fans and pumps are used for creating induced convection, it is known as forced convection. Examples of forced convection are using water heaters or geysers for instant heating of water and using a fan on a hot summer day.

How to Calculate Drag Force for Bluff Bodies?

Drag Force for Bluff Bodies calculator uses Drag Force = (Drag Coefficient*Frontal Area*Density of Fluid*(Free Stream Velocity^2))/2 to calculate the Drag Force, The Drag Force 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 Force is denoted by FD symbol.

How to calculate Drag Force for Bluff Bodies using this online calculator? To use this online calculator for Drag Force for Bluff Bodies, enter Drag Coefficient (CD), Frontal Area (A), Density of Fluid Fluid) & Free Stream Velocity (u) and hit the calculate button. Here is how the Drag Force for Bluff Bodies calculation can be explained with given input values -> 79.94367 = (0.404*2.67*1.225*(11^2))/2.

FAQ

What is Drag Force for Bluff Bodies?
The Drag Force 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 and is represented as FD = (CD*A*ρFluid*(u^2))/2 or Drag Force = (Drag Coefficient*Frontal Area*Density of Fluid*(Free Stream Velocity^2))/2. 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, Frontal Area of the body exposed to the flow, for a cylinder, is the product of diameter and length, Density of Fluid is defined as the mass of fluid per unit volume of the said fluid & Free Stream Velocity is defined as at some distance above the boundary the velocity reaches a constant value that is free stream velocity.
How to calculate Drag Force for Bluff Bodies?
The Drag Force 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 is calculated using Drag Force = (Drag Coefficient*Frontal Area*Density of Fluid*(Free Stream Velocity^2))/2. To calculate Drag Force for Bluff Bodies, you need Drag Coefficient (CD), Frontal Area (A), Density of Fluid Fluid) & Free Stream Velocity (u). With our tool, you need to enter the respective value for Drag Coefficient, Frontal Area, Density of Fluid & Free Stream Velocity 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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