01.11.2014 Views

Coefficiente di assorbimento, riflessione e impedenza ... - Studium

Coefficiente di assorbimento, riflessione e impedenza ... - Studium

Coefficiente di assorbimento, riflessione e impedenza ... - Studium

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Different ways to achieve sound<br />

absorption.<br />

Sound Absorption Coefficient α s<br />

open porous<br />

materials<br />

wall<br />

Layer of porous material<br />

wall<br />

frequency<br />

low me<strong>di</strong>um high<br />

membrane<br />

membrane<br />

studs<br />

frequency<br />

low me<strong>di</strong>um high<br />

wall<br />

resonator<br />

pass<br />

corps<br />

0<br />

frequency<br />

low me<strong>di</strong>um high

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!