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Velocity Distribution in Rough Turbulent Flow Formula

GoStream Velocity at Instrument Location Formula

GoAverage Velocity in Moderately Deep Streams Formula

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Average Velocity in Vertical is the rate at which the water flows in any stream or water body. Check FAQs

v = 5.75 \cdot v shear \cdot \log 10 (30 \cdot \frac{y}{k s})

v - Average Velocity in Vertical?v_shear - Shear Velocity?y - Height above Bed?k_s - Equivalent Sand-Grain Roughness?

Velocity Distribution in Rough Turbulent Flow Example

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Here is how the Velocity Distribution in Rough Turbulent Flow equation looks like with Values.

Here is how the Velocity Distribution in Rough Turbulent Flow equation looks like with Units.

Here is how the Velocity Distribution in Rough Turbulent Flow equation looks like.

20.7711 = 5.75 \cdot 6 \cdot \log 10 (30 \cdot \frac{2}{15})

20.7711m/s = 5.75 \cdot 6m/s \cdot \log 10 (30 \cdot \frac{2m}{15})

20.7711 = 5.75 \cdot 6 \cdot \log 10 (30 \cdot \frac{2}{15})

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Velocity Distribution in Rough Turbulent Flow Solution

Follow our step by step solution on how to calculate Velocity Distribution in Rough Turbulent Flow?

FIRST Step Consider the formula

v = 5.75 \cdot v shear \cdot \log 10 (30 \cdot \frac{y}{k s})

Next Step Substitute values of Variables

∴

v = 5.75 \cdot 6m/s \cdot \log 10 (30 \cdot \frac{2m}{15})

Next Step Prepare to Evaluate

∴

v = 5.75 \cdot 6 \cdot \log 10 (30 \cdot \frac{2}{15})

Next Step Evaluate

∴

v = 20.7710697008147m/s

LAST Step Rounding Answer

∴

v = 20.7711m/s

Velocity Distribution in Rough Turbulent Flow Formula Elements

Variables

Functions

Average Velocity in Vertical

Average Velocity in Vertical is the rate at which the water flows in any stream or water body.

Symbol: v

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Average Velocity in Vertical

Shear Velocity

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

Symbol: v_shear

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Shear Velocity

Height above Bed

Height above Bed is the elevation from surface of zero elevation to which heights of various points are referenced.

Symbol: y

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Height above Bed

Equivalent Sand-Grain Roughness

Equivalent Sand-Grain Roughness is an empirical model initiated for predicting skin friction and heat transfer for turbulent flows over rough surfaces.

Symbol: k_s

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Equivalent Sand-Grain Roughness

log10

The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function.

Syntax: log10(Number)

Other Formulas to find Average Velocity in Vertical

Go Stream Velocity at Instrument Location

v = a \cdot Ns + b

Go Average Velocity in Moderately Deep Streams

v = \frac{v 0.2 + v 0.8}{2}

Go Average Velocity obtained by using Reduction Factor

v = K \cdot v s

Go Average Stream Velocity given Minimum Weight

v = \frac{N}{50 \cdot d}

Other formulas in Measurement of Velocity category

Go Revolutions per Second of Horizontal Axis Meter given Stream Velocity

Ns = \frac{v - b}{a}

Go Surface Velocity given Average of Velocity

v s = \frac{v}{K}

Go Sounding Weights

N = 50 \cdot v \cdot d

Go Depth of Flow at Vertical given Sounding Weights

d = \frac{N}{50 \cdot v}

How to Evaluate Velocity Distribution in Rough Turbulent Flow?

Velocity Distribution in Rough Turbulent Flow evaluator uses Average Velocity in Vertical = 5.75*Shear Velocity*log10(30*Height above Bed/Equivalent Sand-Grain Roughness) to evaluate the Average Velocity in Vertical, The Velocity Distribution in Rough Turbulent Flow formula is defined as the function that describes how molecular velocities are distributed on average in a rough, turbulent flow. Average Velocity in Vertical is denoted by v symbol.

How to evaluate Velocity Distribution in Rough Turbulent Flow using this online evaluator? To use this online evaluator for Velocity Distribution in Rough Turbulent Flow, enter Shear Velocity (v_shear), Height above Bed (y) & Equivalent Sand-Grain Roughness (k_s) and hit the calculate button.

FAQs on Velocity Distribution in Rough Turbulent Flow

What is the formula to find Velocity Distribution in Rough Turbulent Flow?

The formula of Velocity Distribution in Rough Turbulent Flow is expressed as Average Velocity in Vertical = 5.75*Shear Velocity*log10(30*Height above Bed/Equivalent Sand-Grain Roughness). Here is an example- 20.77107 = 5.75*6*log10(30*2/15).

How to calculate Velocity Distribution in Rough Turbulent Flow?

With Shear Velocity (v_shear), Height above Bed (y) & Equivalent Sand-Grain Roughness (k_s) we can find Velocity Distribution in Rough Turbulent Flow using the formula - Average Velocity in Vertical = 5.75*Shear Velocity*log10(30*Height above Bed/Equivalent Sand-Grain Roughness). This formula also uses Common Logarithm (log10) function(s).

What are the other ways to Calculate Average Velocity in Vertical?

Here are the different ways to Calculate Average Velocity in Vertical-

Average Velocity in Vertical=Constant a*Revolutions per Second of Meter+Constant b
Average Velocity in Vertical=(Velocity at 0.2 Times Depth of Flow+Velocity at 0.8 Times Depth of Flow)/2
Average Velocity in Vertical=Reduction Factor*Surface Velocity of River

Can the Velocity Distribution in Rough Turbulent Flow be negative?

No, the Velocity Distribution in Rough Turbulent Flow, measured in Speed cannot be negative.

Which unit is used to measure Velocity Distribution in Rough Turbulent Flow?

Velocity Distribution in Rough Turbulent Flow 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 Velocity Distribution in Rough Turbulent Flow can be measured.

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Velocity Distribution in Rough Turbulent Flow Formula

​GoStream Velocity at Instrument Location Formula

​GoAverage Velocity in Moderately Deep Streams Formula

Velocity Distribution in Rough Turbulent Flow Example

Velocity Distribution in Rough Turbulent Flow Solution

Velocity Distribution in Rough Turbulent Flow Formula Elements

Other Formulas to find Average Velocity in Vertical

Other formulas in Measurement of Velocity category

How to Evaluate Velocity Distribution in Rough Turbulent Flow?

FAQs on Velocity Distribution in Rough Turbulent Flow

Variable Name

GoStream Velocity at Instrument Location Formula

GoAverage Velocity in Moderately Deep Streams Formula