Comment fonctionnent les silencieux

  • Phillip Hopkins
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Les silencieux annulent la majeure partie du bruit d'un moteur.

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-Si vous avez déjà entendu un moteur de voiture tourner sans silencieux, vous savez à quel point un silencieux peut faire une énorme différence sur le niveau de bruit. À l'intérieur d'un silencieux, vous trouverez un ensemble de tubes d'une simplicité trompeuse avec des trous. Ces tubes et ces chambres sont en fait aussi finement accordés qu'un instrument de musique. Ils sont conçus pour refléter les ondes sonores produites par le moteur de manière à s'annuler partiellement.

Les silencieux utilisent une technologie assez soignée pour annuler le bruit. Dans cet article, nous allons jeter un coup d'œil à l'intérieur d'un vrai silencieux de voiture et découvrir les principes qui le font fonctionner.

Mais d'abord, nous devons en savoir un peu plus sur le son. 




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