Friction Velocity Calculator

✖The Mean Velocity is the average speed of a fluid in motion, often used to analyze the flow characteristics of liquids in various mechanical applications.ⓘ Mean Velocity [V]			+10% -10%
✖The Friction Factor is a dimensionless number that quantifies the resistance to flow in a fluid due to friction within a pipe or duct.ⓘ Friction Factor [f]			+10% -10%

✖The Friction Velocity is a measure of the velocity at which frictional forces act on a fluid, influencing its flow characteristics and behavior in liquid jets.ⓘ Friction Velocity [V_f]

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Friction Velocity Solution

STEP 0: Pre-Calculation Summary

Formula Used

Friction Velocity = Mean Velocity*sqrt(Friction Factor/8)
V_f = 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) - The Friction Velocity is a measure of the velocity at which frictional forces act on a fluid, influencing its flow characteristics and behavior in liquid jets.
Mean Velocity - (Measured in Meter per Second) - The Mean Velocity is the average speed of a fluid in motion, often used to analyze the flow characteristics of liquids in various mechanical applications.
Friction Factor - The Friction Factor is a dimensionless number that quantifies the resistance to flow in a fluid due to friction within a pipe or duct.

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

V_f = V*sqrt(f/8) --> 17.2*sqrt(2.65/8)

Evaluating ... ...

V_f = 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)

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Credits

Created by Kethavath Srinath

Osmania University (OU), Hyderabad

Kethavath Srinath has created this Calculator and 1000+ more calculators!

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Friction Velocity Formula

Friction Velocity = Mean Velocity*sqrt(Friction Factor/8)
V_f = 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 formula is defined as a measure of the velocity at which fluid friction influences the flow characteristics of a liquid jet. It helps in understanding the relationship between fluid dynamics and the resistance encountered due to friction in various mechanical applications. Friction Velocity is denoted by V_f 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 formula is defined as a measure of the velocity at which fluid friction influences the flow characteristics of a liquid jet. It helps in understanding the relationship between fluid dynamics and the resistance encountered due to friction in various mechanical applications and is represented as V_f = V*sqrt(f/8) or Friction Velocity = Mean Velocity*sqrt(Friction Factor/8). The Mean Velocity is the average speed of a fluid in motion, often used to analyze the flow characteristics of liquids in various mechanical applications & The Friction Factor is a dimensionless number that quantifies the resistance to flow in a fluid due to friction within a pipe or duct.

How to calculate Friction Velocity?

Friction Velocity formula is defined as a measure of the velocity at which fluid friction influences the flow characteristics of a liquid jet. It helps in understanding the relationship between fluid dynamics and the resistance encountered due to friction in various mechanical applications 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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