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Eiot

why does this radiator transmit sound from air into metal?

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i have this radiator, when i clap or scream the metallic rims start vibrating and transmit sound in metal. Why?

IMG_20200301_002952.jpg

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Sound will couple into a solid, especially if you are near a resonance. (Like if you yell at a tuning fork - it will vibrate) Also, since there are air channels, they can act as a guide and improve that coupling.

 

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