Dear Learners,
In this note, I want to take your attention towards a potential threat of tyre " Noise ". Tyre rolling noise emissions have increased over time, which is predominantly due to increased use of wider tyres. Therefore Directive 2001/43/EC complements the vehicle noise standards by setting a test procedure and noise limit values for tyre rolling noise.
I want to explain this with the following video:http://in.youtube.com/watch?v=u02SFvuDnqE
Now a lot more regulations, various governement bodies are planning to regulate tyre noise.
Please visit this website for a lot more information.This site gives a lot of educational videos on vehicle Noise and tyre & road noises in particular.
http://www.transportenvironment.org/htmlpages/display/pid:24
Cheers !!
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