Experimental Study of Wire Brush Brake Noise on a Personal Car
Experimental Study of Wire Brush Brake Noise on a Personal Car
Experimental Study of Wire Brush Brake Noise on a Personal Car
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Interior <str<strong>on</strong>g>Noise</str<strong>on</strong>g><br />
-Increasing Increasing Roller Speed<br />
70<br />
•Increased noise levels<br />
with increased speed 65<br />
•Fundamental shape <str<strong>on</strong>g>of</str<strong>on</strong>g><br />
spectra intact.<br />
(“oscillating” frequency<br />
resp<strong>on</strong>se)<br />
20 μPa<br />
dB re.<br />
SPL<br />
60<br />
55<br />
50<br />
45<br />
40<br />
35<br />
30<br />
2.9 [km/h]<br />
1.9 [km/h]<br />
1.3 [km/h]<br />
25<br />
100 200 300 400 500 600 700 800<br />
Frequency [Hz]<br />
10<br />
B<str<strong>on</strong>g>Brake</str<strong>on</strong>g> k pressure, 5 [b [bar]<br />
]
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