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Home| NEWS | Noise...

Noise

2011-01-27 13:06:01
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Our small wind turbines are quiet.

The Danish company Grontmij has issued a certification that confirms it.

The noise measurements carried out by Grontmij arround our small wind turbines gave the following results:

At a distance of 60 metres and a constant wind of 8 m/s, a noise of 37.1 dB (A) was registered (according to BWEA standards).

That is the same level of noise we find, for example, in a library.

The following table gives a reference of the intensities of the noise generated by some typical sources.



 

Table of decibels (db)
 Silence  0
 Footprint  10
 Movement of tree leaves  20
 Conversation in a low voice  30
 Library  40
 Quiet office  50
 Conversation  60
 Traffic in a city  80
 Vacuum cleaner  90
 Motorcycle with exhaust pipe 100
 Rock concert 120
 Pneumatic drill 130
 Jet plane taking off 150
 Bomb explosion 180