Specializing in the production of wire mesh fence and sound barriers
By how many decibels can noise be reduced after installing a noise barrier?
2022-04-11
How many decibels can noise be reduced by after installing a noise barrier?
Noise barriers are representative products for sound insulation and noise reduction. To what extent can their noise reduction capabilities reduce noise? How many decibels can they reduce it by?
In a perfect environment, people assume the ambient noise level is zero, as long as there are no cars on the road, cooling towers are stopped, or factory equipment is stopped, etc. In reality, this is not the case. You can download a noise-measuring application on your Mobile phone and then test the noise quietly at home or in the office. You will find that noise exists, with a noise level of around 40 decibels, not 0. This proves that the noise reduction effect of a noise barrier can reduce many decibels. Therefore, even with a particularly perfect overall design, a noise barrier cannot reduce the noise level to 0. This is just the noise at home and in the office, while the noise on the highway will be even greater, thus proving that the noise reduction effect of a noise barrier can reduce many decibels. By analogy, the same is true for cooling tower noise barriers; even with a particularly perfect overall design, the noise barrier cannot reduce the noise level to 0. The maximum noise reduction in decibels is the difference between the measured noise level and the ambient background noise level.
The so-called background noise level refers to the noise level measured when no cars are passing on the road, cooling towers are stopped, or factory equipment is stopped. According to noise barrier return visit statistics, the decibels that a noise barrier can reduce are approximately between 10 and 35 decibels.
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