Friction Velocity Solution

STEP 0: Pre-Calculation Summary
Formula Used
Friction Velocity = Mean Velocity*sqrt(Friction Factor/8)
Vf = V*sqrt(f/8)
This formula uses 1 Functions, 3 Variables
Functions Used
sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)
Variables Used
Friction Velocity - (Measured in Meter per Second) - Friction velocity, also called Shear velocity, is a form by which a shear stress may be re-written in units of velocity.
Mean Velocity - (Measured in Meter per Second) - Mean Velocity is defined as the average velocity of a fluid at a point and over an arbitrary time T.
Friction Factor - The Friction Factor or Moody chart is the plot of the relative roughness (e/D) of a pipe against Reynold's number.
STEP 1: Convert Input(s) to Base Unit
Mean Velocity: 17.2 Meter per Second --> 17.2 Meter per Second No Conversion Required
Friction Factor: 2.65 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Vf = V*sqrt(f/8) --> 17.2*sqrt(2.65/8)
Evaluating ... ...
Vf = 9.89934341257035
STEP 3: Convert Result to Output's Unit
9.89934341257035 Meter per Second --> No Conversion Required
FINAL ANSWER
9.89934341257035 9.899343 Meter per Second <-- Friction Velocity
(Calculation completed in 00.004 seconds)

Credits

Created by Kethavath Srinath
Osmania University (OU), Hyderabad
Kethavath Srinath has created this Calculator and 1000+ more calculators!
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12 Liquid Jet Calculators

Variation of y with x in Free Liquid Jet
Go Length y = Length x*tan(Angle of Liquid Jet)-(Acceleration due to Gravity*Length x^2*sec(Angle of Liquid Jet))/(2*Initial Velocity of Liquid Jet^2)
Initial Velocity of Liquid Jet given Maximum Vertical Elevation
Go Initial Velocity of Liquid Jet = sqrt(Maximum Vertical Elevation*2*Acceleration due to Gravity/(sin(Angle of Liquid Jet)*sin(Angle of Liquid Jet)))
Maximum Vertical Elevation of Jet Profile
Go Maximum Vertical Elevation = (Initial Velocity of Liquid Jet^(2)*sin(Angle of Liquid Jet)*sin(Angle of Liquid Jet))/(2*Acceleration due to Gravity)
Angle of Jet given Maximum Vertical Elevation
Go Angle of Liquid Jet = asin(sqrt((Maximum Vertical Elevation*2*Acceleration due to Gravity)/Initial Velocity of Liquid Jet^(2)))
Initial Velocity given Time to Reach Highest Point of Liquid
Go Initial Velocity of Liquid Jet = Time to Reach Highest Point*Acceleration due to Gravity/sin(Angle of Liquid Jet)
Angle of Jet given Time of Flight of Liquid Jet
Go Angle of Liquid Jet = asin(Time of Flight*Acceleration due to Gravity/(2*Initial Velocity of Liquid Jet))
Time of Flight of Jet
Go Time of Flight = (2*Initial Velocity of Liquid Jet*sin(Angle of Liquid Jet))/Acceleration due to Gravity
Angle of Jet given Time to Reach Highest Point
Go Angle of Liquid Jet = asin(Time of Flight*Acceleration due to Gravity/(Initial Velocity of Liquid Jet))
Initial Velocity given Time of Flight of Liquid Jet
Go Initial Velocity of Liquid Jet = Time of Flight*Acceleration due to Gravity/(sin(Angle of Liquid Jet))
Horizontal Range of Jet
Go Range = Initial Velocity of Liquid Jet^(2)*sin(2*Angle of Liquid Jet)/Acceleration due to Gravity
Mean Velocity given Frictional Velocity
Go Mean Velocity = Friction Velocity/sqrt(Friction Factor/8)
Friction Velocity
Go Friction Velocity = Mean Velocity*sqrt(Friction Factor/8)

Friction Velocity Formula

Friction Velocity = Mean Velocity*sqrt(Friction Factor/8)
Vf = V*sqrt(f/8)

what is Shear velocity?

Shear Velocity, also called friction velocity, is a form by which a shear stress may be re-written in units of velocity. It is useful as a method in fluid mechanics to compare true velocities, such as the velocity of a flow in a stream, to a velocity that relates shear between layers of flow.

How to Calculate Friction Velocity?

Friction Velocity calculator uses Friction Velocity = Mean Velocity*sqrt(Friction Factor/8) to calculate the Friction Velocity, Friction velocity, also called Shear velocity, is a form by which a shear stress may be re-written in units of velocity. Friction Velocity is denoted by Vf symbol.

How to calculate Friction Velocity using this online calculator? To use this online calculator for Friction Velocity, enter Mean Velocity (V) & Friction Factor (f) and hit the calculate button. Here is how the Friction Velocity calculation can be explained with given input values -> 9.899343 = 17.2*sqrt(2.65/8).

FAQ

What is Friction Velocity?
Friction velocity, also called Shear velocity, is a form by which a shear stress may be re-written in units of velocity and is represented as Vf = V*sqrt(f/8) or Friction Velocity = Mean Velocity*sqrt(Friction Factor/8). Mean Velocity is defined as the average velocity of a fluid at a point and over an arbitrary time T & The Friction Factor or Moody chart is the plot of the relative roughness (e/D) of a pipe against Reynold's number.
How to calculate Friction Velocity?
Friction velocity, also called Shear velocity, is a form by which a shear stress may be re-written in units of velocity is calculated using Friction Velocity = Mean Velocity*sqrt(Friction Factor/8). To calculate Friction Velocity, you need Mean Velocity (V) & Friction Factor (f). With our tool, you need to enter the respective value for Mean Velocity & Friction Factor 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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