Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder Calculator

✖Radial Velocity represents the speed of an object's motion along the radial direction.ⓘ Radial Velocity [V_r]			+10% -10%
✖The Cylinder Radius is the radius of its circular cross section.ⓘ Cylinder Radius [R]			+10% -10%
✖Radial Coordinate represents the distance measured from a central point or axis.ⓘ Radial Coordinate [r]			+10% -10%
✖The Freestream Velocity signifies the speed or velocity of a fluid flow far from any disturbances or obstacles.ⓘ Freestream Velocity [V_∞]			+10% -10%

✖Polar Angle is the angular position of a point from a reference direction.ⓘ Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder [θ]

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Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder Solution

STEP 0: Pre-Calculation Summary

Formula Used

Polar Angle = arccos(Radial Velocity/((1-(Cylinder Radius/Radial Coordinate)^2)*Freestream Velocity))
θ = arccos(V_r/((1-(R/r)^2)*V_∞))
This formula uses 2 Functions, 5 Variables

Functions Used

cos - Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle., cos(Angle)
arccos - Arccosine function, is the inverse function of the cosine function.It is the function that takes a ratio as an input and returns the angle whose cosine is equal to that ratio., arccos(Number)

Variables Used

Polar Angle - (Measured in Radian) - Polar Angle is the angular position of a point from a reference direction.
Radial Velocity - (Measured in Meter per Second) - Radial Velocity represents the speed of an object's motion along the radial direction.
Cylinder Radius - (Measured in Meter) - The Cylinder Radius is the radius of its circular cross section.
Radial Coordinate - (Measured in Meter) - Radial Coordinate represents the distance measured from a central point or axis.
Freestream Velocity - (Measured in Meter per Second) - The Freestream Velocity signifies the speed or velocity of a fluid flow far from any disturbances or obstacles.

STEP 1: Convert Input(s) to Base Unit

Radial Velocity: 3.9 Meter per Second --> 3.9 Meter per Second No Conversion Required
Cylinder Radius: 0.08 Meter --> 0.08 Meter No Conversion Required
Radial Coordinate: 0.27 Meter --> 0.27 Meter No Conversion Required
Freestream Velocity: 6.9 Meter per Second --> 6.9 Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

θ = arccos(V_r/((1-(R/r)^2)*V_∞)) --> arccos(3.9/((1-(0.08/0.27)^2)*6.9))

Evaluating ... ...

θ = 0.902545174954991

STEP 3: Convert Result to Output's Unit

0.902545174954991 Radian --> No Conversion Required

FINAL ANSWER

0.902545174954991 ≈ 0.902545 Radian <-- Polar Angle

(Calculation completed in 00.004 seconds)

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Created by Harsh Raj

Indian Institute of Technology, Kharagpur (IIT KGP), West Bengal

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National Institute Of Technology (NIT), Hamirpur

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< Lifting Flow over Cylinder Calculators

Surface Pressure Coefficient for Lifting Flow over Circular Cylinder

Go 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)

Stream Function for Lifting Flow over Circular Cylinder

Go Stream Function = Freestream Velocity*Radial Coordinate*sin(Polar Angle)*(1-(Cylinder Radius/Radial Coordinate)^2)+Vortex Strength/(2*pi)*ln(Radial Coordinate/Cylinder Radius)

Tangential Velocity for Lifting Flow over Circular Cylinder

Go Tangential Velocity = -(1+((Cylinder Radius)/(Radial Coordinate))^2)*Freestream Velocity*sin(Polar Angle)-(Vortex Strength)/(2*pi*Radial Coordinate)

Radial Velocity for Lifting Flow over Circular Cylinder

Go Radial Velocity = (1-(Cylinder Radius/Radial Coordinate)^2)*Freestream Velocity*cos(Polar Angle)

Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder Formula

Polar Angle = arccos(Radial Velocity/((1-(Cylinder Radius/Radial Coordinate)^2)*Freestream Velocity))
θ = arccos(V_r/((1-(R/r)^2)*V_∞))

How to obtain velocity components for lifting flow over a cylinder?

The velocity components for lifting flow over a cylinder is obtained either by differentiating stream function or directly adding the velocity field of non-lifting flow over the cylinder and vortex flow.

How to Calculate Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder?

Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder calculator uses Polar Angle = arccos(Radial Velocity/((1-(Cylinder Radius/Radial Coordinate)^2)*Freestream Velocity)) to calculate the Polar Angle, Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder formula is defined as a method to determine the angular position of flow around a circular cylinder, considering the radial velocity and the influence of external flow conditions. Polar Angle is denoted by θ symbol.

How to calculate Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder using this online calculator? To use this online calculator for Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder, enter Radial Velocity (V_r), Cylinder Radius (R), Radial Coordinate (r) & Freestream Velocity (V_∞) and hit the calculate button. Here is how the Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder calculation can be explained with given input values -> 0.902545 = arccos(3.9/((1-(0.08/0.27)^2)*6.9)).

FAQ

What is Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder?

Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder formula is defined as a method to determine the angular position of flow around a circular cylinder, considering the radial velocity and the influence of external flow conditions and is represented as θ = arccos(V_r/((1-(R/r)^2)*V_∞)) or Polar Angle = arccos(Radial Velocity/((1-(Cylinder Radius/Radial Coordinate)^2)*Freestream Velocity)). Radial Velocity represents the speed of an object's motion along the radial direction, The Cylinder Radius is the radius of its circular cross section, Radial Coordinate represents the distance measured from a central point or axis & The Freestream Velocity signifies the speed or velocity of a fluid flow far from any disturbances or obstacles.

How to calculate Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder?

Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder formula is defined as a method to determine the angular position of flow around a circular cylinder, considering the radial velocity and the influence of external flow conditions is calculated using Polar Angle = arccos(Radial Velocity/((1-(Cylinder Radius/Radial Coordinate)^2)*Freestream Velocity)). To calculate Angular Position given Radial Velocity for Lifting Flow over Circular Cylinder, you need Radial Velocity (V_r), Cylinder Radius (R), Radial Coordinate (r) & Freestream Velocity (V_∞). With our tool, you need to enter the respective value for Radial Velocity, Cylinder Radius, Radial Coordinate & Freestream 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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