Surface Pressure Coefficient for Lifting Flow over Circular Cylinder Formula

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Surface Pressure Coefficient quantifies the local pressure variation on the cylinder's surface due to lift generation. Check FAQs
Cp=1-((2sin(θ))2+2Γsin(θ)πRV+(Γ2πRV)2)
Cp - Surface Pressure Coefficient?θ - Polar Angle?Γ - Vortex Strength?R - Cylinder Radius?V - Freestream Velocity?π - Archimedes' constant?

Surface Pressure Coefficient for Lifting Flow over Circular Cylinder Example

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Here is how the Surface Pressure Coefficient for Lifting Flow over Circular Cylinder equation looks like with Values.

Here is how the Surface Pressure Coefficient for Lifting Flow over Circular Cylinder equation looks like with Units.

Here is how the Surface Pressure Coefficient for Lifting Flow over Circular Cylinder equation looks like.

-2.1275Edit=1-((2sin(0.9Edit))2+20.7Editsin(0.9Edit)3.14160.08Edit6.9Edit+(0.7Edit23.14160.08Edit6.9Edit)2)
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Surface Pressure Coefficient for Lifting Flow over Circular Cylinder Solution

Follow our step by step solution on how to calculate Surface Pressure Coefficient for Lifting Flow over Circular Cylinder?

FIRST Step Consider the formula
Cp=1-((2sin(θ))2+2Γsin(θ)πRV+(Γ2πRV)2)
Next Step Substitute values of Variables
Cp=1-((2sin(0.9rad))2+20.7m²/ssin(0.9rad)π0.08m6.9m/s+(0.7m²/s2π0.08m6.9m/s)2)
Next Step Substitute values of Constants
Cp=1-((2sin(0.9rad))2+20.7m²/ssin(0.9rad)3.14160.08m6.9m/s+(0.7m²/s23.14160.08m6.9m/s)2)
Next Step Prepare to Evaluate
Cp=1-((2sin(0.9))2+20.7sin(0.9)3.14160.086.9+(0.723.14160.086.9)2)
Next Step Evaluate
Cp=-2.12752412719393
LAST Step Rounding Answer
Cp=-2.1275

Surface Pressure Coefficient for Lifting Flow over Circular Cylinder Formula Elements

Variables
Constants
Functions
Surface Pressure Coefficient
Surface Pressure Coefficient quantifies the local pressure variation on the cylinder's surface due to lift generation.
Symbol: Cp
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Polar Angle
Polar Angle is the angular position of a point from a reference direction.
Symbol: θ
Measurement: AngleUnit: rad
Note: Value can be positive or negative.
Vortex Strength
Vortex Strength quantifies the intensity or magnitude of a vortex in fluid dynamics.
Symbol: Γ
Measurement: Velocity PotentialUnit: m²/s
Note: Value can be positive or negative.
Cylinder Radius
The Cylinder Radius is the radius of its circular cross section.
Symbol: R
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Freestream Velocity
The Freestream Velocity signifies the speed or velocity of a fluid flow far from any disturbances or obstacles.
Symbol: V
Measurement: SpeedUnit: m/s
Note: Value can be positive or negative.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288
sin
Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse.
Syntax: sin(Angle)

Other formulas in Lifting Flow over Cylinder category

​Go Stream Function for Lifting Flow over Circular Cylinder
ψ=Vrsin(θ)(1-(Rr)2)+Γ2πln(rR)
​Go Radial Velocity for Lifting Flow over Circular Cylinder
Vr=(1-(Rr)2)Vcos(θ)
​Go Tangential Velocity for Lifting Flow over Circular Cylinder
Vθ=-(1+(Rr)2)Vsin(θ)-Γ2πr
​Go Location of Stagnation Point Outside Cylinder for Lifting Flow
r0=Γ04πV+(Γ04πV)2-R2

How to Evaluate Surface Pressure Coefficient for Lifting Flow over Circular Cylinder?

Surface Pressure Coefficient for Lifting Flow over Circular Cylinder evaluator uses Surface Pressure Coefficient = 1-((2*sin(Polar Angle))^2+(2*Vortex Strength*sin(Polar Angle))/(pi*Cylinder Radius*Freestream Velocity)+((Vortex Strength)/(2*pi*Cylinder Radius*Freestream Velocity))^2) to evaluate the Surface Pressure Coefficient, Surface pressure coefficient for lifting flow over circular cylinder formula is a function of radial distance, freestream velocity, the radius of the cylinder, vortex strength and polar angle. Surface Pressure Coefficient is denoted by Cp symbol.

How to evaluate Surface Pressure Coefficient for Lifting Flow over Circular Cylinder using this online evaluator? To use this online evaluator for Surface Pressure Coefficient for Lifting Flow over Circular Cylinder, enter Polar Angle (θ), Vortex Strength (Γ), Cylinder Radius (R) & Freestream Velocity (V) and hit the calculate button.

FAQs on Surface Pressure Coefficient for Lifting Flow over Circular Cylinder

What is the formula to find Surface Pressure Coefficient for Lifting Flow over Circular Cylinder?
The formula of Surface Pressure Coefficient for Lifting Flow over Circular Cylinder is expressed as Surface Pressure Coefficient = 1-((2*sin(Polar Angle))^2+(2*Vortex Strength*sin(Polar Angle))/(pi*Cylinder Radius*Freestream Velocity)+((Vortex Strength)/(2*pi*Cylinder Radius*Freestream Velocity))^2). Here is an example- -27.247822 = 1-((2*sin(0.9))^2+(2*0.7*sin(0.9))/(pi*0.08*6.9)+((0.7)/(2*pi*0.08*6.9))^2).
How to calculate Surface Pressure Coefficient for Lifting Flow over Circular Cylinder?
With Polar Angle (θ), Vortex Strength (Γ), Cylinder Radius (R) & Freestream Velocity (V) we can find Surface Pressure Coefficient for Lifting Flow over Circular Cylinder using the formula - Surface Pressure Coefficient = 1-((2*sin(Polar Angle))^2+(2*Vortex Strength*sin(Polar Angle))/(pi*Cylinder Radius*Freestream Velocity)+((Vortex Strength)/(2*pi*Cylinder Radius*Freestream Velocity))^2). This formula also uses Archimedes' constant and Sine function(s).
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