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Height of Barrier Wall given Noise Reduction in Decibels Formula

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The Height of the Barrier Wall refers to the vertical distance from its base to its top edge. Check FAQs

h w = \sqrt{(\frac{λ \cdot R}{20}) \cdot 10^{\frac{N}{10}}}

h_w - Height of the Barrier Wall?λ - Wavelength of Sound Wave?R - Horizontal Distance?N - Noise Reduction?

Height of Barrier Wall given Noise Reduction in Decibels Example

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Here is how the Height of Barrier Wall given Noise Reduction in Decibels equation looks like with Values.

Here is how the Height of Barrier Wall given Noise Reduction in Decibels equation looks like with Units.

Here is how the Height of Barrier Wall given Noise Reduction in Decibels equation looks like.

3.0954 = \sqrt{(\frac{0.6 \cdot 1.01}{20}) \cdot 10^{\frac{25}{10}}}

3.0954m = \sqrt{(\frac{0.6m \cdot 1.01m}{20}) \cdot 10^{\frac{25dB}{10}}}

3.0954 = \sqrt{(\frac{0.6 \cdot 1.01}{20}) \cdot 10^{\frac{25}{10}}}

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Height of Barrier Wall given Noise Reduction in Decibels Solution

Follow our step by step solution on how to calculate Height of Barrier Wall given Noise Reduction in Decibels?

FIRST Step Consider the formula

h w = \sqrt{(\frac{λ \cdot R}{20}) \cdot 10^{\frac{N}{10}}}

Next Step Substitute values of Variables

∴

h w = \sqrt{(\frac{0.6m \cdot 1.01m}{20}) \cdot 10^{\frac{25dB}{10}}}

Next Step Prepare to Evaluate

∴

h w = \sqrt{(\frac{0.6 \cdot 1.01}{20}) \cdot 10^{\frac{25}{10}}}

Next Step Evaluate

∴

h w = 3.09543233011323m

LAST Step Rounding Answer

∴

h w = 3.0954m

Height of Barrier Wall given Noise Reduction in Decibels Formula Elements

Variables

Functions

Height of the Barrier Wall

The Height of the Barrier Wall refers to the vertical distance from its base to its top edge.

Symbol: h_w

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Height of the Barrier Wall

Wavelength of Sound Wave

The Wavelength of Sound Wave refers to the distance between successive points of identical phase, such as between two consecutive compressions or rarefactions.

Symbol: λ

Measurement: WavelengthUnit: m

Note: Value should be greater than 0.

Formulas to find Wavelength of Sound Wave

Horizontal Distance

The Horizontal Distance refers to the instantaneous distance cover by an object in a projectile motion horizontally.

Symbol: R

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Horizontal Distance

Noise Reduction

The Noise Reduction refers to the process of removing noise from a signal.

Symbol: N

Measurement: SoundUnit: dB

Note: Value should be greater than 0.

Formulas to find Noise Reduction

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 Noise Abatement and Control category

Go Noise Reduction in Decibels

N = 10 \cdot \log 10 (\frac{20 \cdot {h w}^{2}}{λ \cdot R})

Go Wavelength of Sound given Noise Reduction in Decibels

λ = \frac{20 \cdot {h w}^{2}}{R \cdot 10^{\frac{N}{10}}}

Go Distance between Source and Barrier given Noise Reduction in Decibels

R = \frac{20 \cdot {h w}^{2}}{λ \cdot 10^{\frac{N}{10}}}

How to Evaluate Height of Barrier Wall given Noise Reduction in Decibels?

Height of Barrier Wall given Noise Reduction in Decibels evaluator uses Height of the Barrier Wall = sqrt(((Wavelength of Sound Wave*Horizontal Distance)/20)*10^(Noise Reduction/10)) to evaluate the Height of the Barrier Wall, The Height of Barrier Wall given Noise Reduction in Decibels formula is defined as height of barrier wall which is present at some distance after source of sound. Height of the Barrier Wall is denoted by h_w symbol.

How to evaluate Height of Barrier Wall given Noise Reduction in Decibels using this online evaluator? To use this online evaluator for Height of Barrier Wall given Noise Reduction in Decibels, enter Wavelength of Sound Wave (λ), Horizontal Distance (R) & Noise Reduction (N) and hit the calculate button.

FAQs on Height of Barrier Wall given Noise Reduction in Decibels

What is the formula to find Height of Barrier Wall given Noise Reduction in Decibels?

The formula of Height of Barrier Wall given Noise Reduction in Decibels is expressed as Height of the Barrier Wall = sqrt(((Wavelength of Sound Wave*Horizontal Distance)/20)*10^(Noise Reduction/10)). Here is an example- 309.5432 = sqrt(((0.6*1.01)/20)*10^(25/10)).

How to calculate Height of Barrier Wall given Noise Reduction in Decibels?

With Wavelength of Sound Wave (λ), Horizontal Distance (R) & Noise Reduction (N) we can find Height of Barrier Wall given Noise Reduction in Decibels using the formula - Height of the Barrier Wall = sqrt(((Wavelength of Sound Wave*Horizontal Distance)/20)*10^(Noise Reduction/10)). This formula also uses Square Root Function function(s).

Can the Height of Barrier Wall given Noise Reduction in Decibels be negative?

No, the Height of Barrier Wall given Noise Reduction in Decibels, measured in Length cannot be negative.

Which unit is used to measure Height of Barrier Wall given Noise Reduction in Decibels?

Height of Barrier Wall given Noise Reduction in Decibels is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Height of Barrier Wall given Noise Reduction in Decibels can be measured.

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Height of Barrier Wall given Noise Reduction in Decibels Formula

Height of Barrier Wall given Noise Reduction in Decibels Example

Height of Barrier Wall given Noise Reduction in Decibels Solution

Height of Barrier Wall given Noise Reduction in Decibels Formula Elements

Other formulas in Noise Abatement and Control category

How to Evaluate Height of Barrier Wall given Noise Reduction in Decibels?

FAQs on Height of Barrier Wall given Noise Reduction in Decibels

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