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Mean Velocity of Flow given Froude Number Formula

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Mean Velocity for Froude Number is defined as the average velocity of a fluid at a point and over an arbitrary time T. Check FAQs

V FN = Fr \cdot \sqrt{d section \cdot [g]}

V_FN - Mean Velocity for Froude Number?Fr - Froude Number?d_section - Diameter of Section?[g] - Gravitational acceleration on Earth?

Mean Velocity of Flow given Froude Number Example

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Here is how the Mean Velocity of Flow given Froude Number equation looks like with Values.

Here is how the Mean Velocity of Flow given Froude Number equation looks like with Units.

Here is how the Mean Velocity of Flow given Froude Number equation looks like.

70.0237 = 10 \cdot \sqrt{5 \cdot 9.8066}

70.0237m/s = 10 \cdot \sqrt{5m \cdot 9.8066m/s²}

70.0237 = 10 \cdot \sqrt{5 \cdot 9.8066}

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Mean Velocity of Flow given Froude Number Solution

Follow our step by step solution on how to calculate Mean Velocity of Flow given Froude Number?

FIRST Step Consider the formula

V FN = Fr \cdot \sqrt{d section \cdot [g]}

Next Step Substitute values of Variables

∴

V FN = 10 \cdot \sqrt{5m \cdot [g]}

Next Step Substitute values of Constants

∴

V FN = 10 \cdot \sqrt{5m \cdot 9.8066m/s²}

Next Step Prepare to Evaluate

∴

V FN = 10 \cdot \sqrt{5 \cdot 9.8066}

Next Step Evaluate

∴

V FN = 70.0237459723486m/s

LAST Step Rounding Answer

∴

V FN = 70.0237m/s

Mean Velocity of Flow given Froude Number Formula Elements

Variables

Constants

Functions

Mean Velocity for Froude Number

Mean Velocity for Froude Number is defined as the average velocity of a fluid at a point and over an arbitrary time T.

Symbol: V_FN

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Mean Velocity for Froude Number

Froude Number

Froude Number is a measurement of bulk flow characteristics such as waves, sand bedforms, flow/depth interactions at a cross section or between boulders.

Symbol: Fr

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Froude Number

Diameter of Section

The Diameter of Section refers to the length of the segment that passes through the center of the circle and touches two points on the edge of the circle.

Symbol: d_section

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Diameter of Section

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 in Specific Energy and Critical Depth category

Go Total Energy per unit Weight of Water in Flow Section

E total = (\frac{{V mean}^{2}}{2 \cdot [g]}) + d f + y

Go Datum Height for Total Energy per unit Weight of Water in Flow Section

y = E total - ((\frac{{V mean}^{2}}{2 \cdot [g]}) + d f)

Go Mean Velocity of Flow for Total Energy per Unit Weight of Water in Flow Section

V mean = \sqrt{(E total - (d f + y)) \cdot 2 \cdot [g]}

Go Depth of Flow given Total Energy per Unit Weight of Water in Flow Section

d f = E total - ((\frac{{V mean}^{2}}{2 \cdot [g]}) + y)

How to Evaluate Mean Velocity of Flow given Froude Number?

Mean Velocity of Flow given Froude Number evaluator uses Mean Velocity for Froude Number = Froude Number*sqrt(Diameter of Section*[g]) to evaluate the Mean Velocity for Froude Number, Mean Velocity of Flow given Froude Number is defined as the average velocity at all points in flow path. Mean Velocity for Froude Number is denoted by V_FN symbol.

How to evaluate Mean Velocity of Flow given Froude Number using this online evaluator? To use this online evaluator for Mean Velocity of Flow given Froude Number, enter Froude Number (Fr) & Diameter of Section (d_section) and hit the calculate button.

FAQs on Mean Velocity of Flow given Froude Number

What is the formula to find Mean Velocity of Flow given Froude Number?

The formula of Mean Velocity of Flow given Froude Number is expressed as Mean Velocity for Froude Number = Froude Number*sqrt(Diameter of Section*[g]). Here is an example- 70.02375 = 10*sqrt(5*[g]).

How to calculate Mean Velocity of Flow given Froude Number?

With Froude Number (Fr) & Diameter of Section (d_section) we can find Mean Velocity of Flow given Froude Number using the formula - Mean Velocity for Froude Number = Froude Number*sqrt(Diameter of Section*[g]). This formula also uses Gravitational acceleration on Earth constant(s) and Square Root (sqrt) function(s).

Can the Mean Velocity of Flow given Froude Number be negative?

Yes, the Mean Velocity of Flow given Froude Number, measured in Speed can be negative.

Which unit is used to measure Mean Velocity of Flow given Froude Number?

Mean Velocity of Flow given Froude Number 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 Mean Velocity of Flow given Froude Number can be measured.

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