The Acoustic Drying Of Cloth In Drum-Type Washing Machines
The Acoustic Drying Of Cloth In Drum-Type Washing Machines
The Acoustic Drying Of Cloth In Drum-Type Washing Machines
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Testing Soundproofing System<br />
Scheme of soundproofing system<br />
and SPL measurement<br />
First<br />
channel<br />
SPL-meter<br />
Second<br />
channel<br />
Reducing the level of outside<br />
harmful acoustic radiation and<br />
noise the washing machine was<br />
been soundproofed used special<br />
sound absorption material<br />
SPLAN-8<br />
SPL level into washing<br />
machine and outside was<br />
measured used standard and<br />
developed SPL meters.<br />
Results:<br />
1. Average SPL into drum – 130<br />
dB.<br />
2. Outside SPL at distance 1<br />
meter from washing machine –<br />
less than 70 dB.<br />
* - SPLAN-8 – is a trademark of CG<br />
“Standartplast”, Russia, http://en.stplus.ru/<br />
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