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Friction Velocity given Dimensionless Fetch Formula

GoFriction Velocity given Dimensionless Wave Height Formula

GoFriction Velocity for Dimensionless Wave Frequency Formula

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Friction Velocity, also called shear velocity, is a form by which a shear stress may be re-written in units of velocity. Check FAQs

V f = \sqrt{[g] \cdot \frac{X}{X'}}

V_f - Friction Velocity?X - Straight Line Distance over which Wind Blows?X' - Dimensionless Fetch?[g] - Gravitational acceleration on Earth?

Friction Velocity given Dimensionless Fetch Example

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Here is how the Friction Velocity given Dimensionless Fetch equation looks like with Values.

Here is how the Friction Velocity given Dimensionless Fetch equation looks like with Units.

Here is how the Friction Velocity given Dimensionless Fetch equation looks like.

5.8489 = \sqrt{9.8066 \cdot \frac{15}{4.3}}

5.8489m/s = \sqrt{9.8066m/s² \cdot \frac{15m}{4.3}}

5.8489 = \sqrt{9.8066 \cdot \frac{15}{4.3}}

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Friction Velocity given Dimensionless Fetch Solution

Follow our step by step solution on how to calculate Friction Velocity given Dimensionless Fetch?

FIRST Step Consider the formula

V f = \sqrt{[g] \cdot \frac{X}{X'}}

Next Step Substitute values of Variables

∴

V f = \sqrt{[g] \cdot \frac{15m}{4.3}}

Next Step Substitute values of Constants

∴

V f = \sqrt{9.8066m/s² \cdot \frac{15m}{4.3}}

Next Step Prepare to Evaluate

∴

V f = \sqrt{9.8066 \cdot \frac{15}{4.3}}

Next Step Evaluate

∴

V f = 5.84886691471489m/s

LAST Step Rounding Answer

∴

V f = 5.8489m/s

Friction Velocity given Dimensionless Fetch Formula Elements

Variables

Constants

Functions

Friction Velocity

Friction Velocity, also called shear velocity, is a form by which a shear stress may be re-written in units of velocity.

Symbol: V_f

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Friction Velocity

Straight Line Distance over which Wind Blows

Straight Line Distance over which Wind Blows is defined as total stretch of wind motion in a straight line influencing other parameters of the wave.

Symbol: X

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Straight Line Distance over which Wind Blows

Dimensionless Fetch

Dimensionless Fetch for the empirical prediction methods is the distance over water that the wind blows in a single direction.

Symbol: X'

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Dimensionless Fetch

Gravitational acceleration on Earth

Gravitational acceleration on Earth means that the velocity of an object in free fall will increase by 9.8 m/s2 every second.

Symbol: [g]

Value: 9.80665 m/s²

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.

Syntax: sqrt(Number)

Other Formulas to find Friction Velocity

Go Friction Velocity given Dimensionless Wave Height

V f = \sqrt{\frac{[g] \cdot H}{H'}}

Go Friction Velocity for Dimensionless Wave Frequency

V f = \frac{f' p \cdot [g]}{f p}

Other formulas in Measured Wind Directions category

Go Direction in Standard Meteorological Terms

θ met = 270 - θ vec

Go Direction in Cartesian Coordinate System

θ vec = 270 - θ met

Go Pressure Profile in Hurricane Winds

p = p c + (p n - p c) \cdot \exp (- \frac{A}{r^{B}})

Go Ambient Pressure at Periphery of Storm

p n = (\frac{p - p c}{\exp (- \frac{A}{r^{B}})}) + p c

How to Evaluate Friction Velocity given Dimensionless Fetch?

Friction Velocity given Dimensionless Fetch evaluator uses Friction Velocity = sqrt([g]*Straight Line Distance over which Wind Blows/Dimensionless Fetch) to evaluate the Friction Velocity, The Friction Velocity given Dimensionless Fetch formula is defined as the form by which 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 flow in stream, to velocity that relates shear between layers of flow. Friction Velocity is denoted by V_f symbol.

How to evaluate Friction Velocity given Dimensionless Fetch using this online evaluator? To use this online evaluator for Friction Velocity given Dimensionless Fetch, enter Straight Line Distance over which Wind Blows (X) & Dimensionless Fetch (X') and hit the calculate button.

FAQs on Friction Velocity given Dimensionless Fetch

What is the formula to find Friction Velocity given Dimensionless Fetch?

The formula of Friction Velocity given Dimensionless Fetch is expressed as Friction Velocity = sqrt([g]*Straight Line Distance over which Wind Blows/Dimensionless Fetch). Here is an example- 5.848867 = sqrt([g]*15/4.3).

How to calculate Friction Velocity given Dimensionless Fetch?

With Straight Line Distance over which Wind Blows (X) & Dimensionless Fetch (X') we can find Friction Velocity given Dimensionless Fetch using the formula - Friction Velocity = sqrt([g]*Straight Line Distance over which Wind Blows/Dimensionless Fetch). This formula also uses Gravitational acceleration on Earth constant(s) and Square Root (sqrt) function(s).

What are the other ways to Calculate Friction Velocity?

Here are the different ways to Calculate Friction Velocity-

Friction Velocity=sqrt(([g]*Characteristic Wave Height)/Dimensionless Wave Height)
Friction Velocity=(Dimensionless Wave Frequency*[g])/Frequency at Spectral Peak

Can the Friction Velocity given Dimensionless Fetch be negative?

Yes, the Friction Velocity given Dimensionless Fetch, measured in Speed can be negative.

Which unit is used to measure Friction Velocity given Dimensionless Fetch?

Friction Velocity given Dimensionless Fetch is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Friction Velocity given Dimensionless Fetch can be measured.

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Friction Velocity given Dimensionless Fetch Formula

​GoFriction Velocity given Dimensionless Wave Height Formula

​GoFriction Velocity for Dimensionless Wave Frequency Formula

Friction Velocity given Dimensionless Fetch Example

Friction Velocity given Dimensionless Fetch Solution

Friction Velocity given Dimensionless Fetch Formula Elements

Other Formulas to find Friction Velocity

Other formulas in Measured Wind Directions category

How to Evaluate Friction Velocity given Dimensionless Fetch?

FAQs on Friction Velocity given Dimensionless Fetch

Variable Name

GoFriction Velocity given Dimensionless Wave Height Formula

GoFriction Velocity for Dimensionless Wave Frequency Formula