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Shock and Vibration
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Shock and Vibration
/
2016
/
Article
/
Tab 2
/
Research Article
Fractal Model for Acoustic Absorbing of Porous Fibrous Metal Materials
Table 2
The measuring results of
R
for fibrous clusters (unit:
µ
m).
Fiber clusters
Mean value
Sample #1
354
358
363
347
375
359
Sample #2
343
347
371
351
364
355
Sample #3
336
340
366
353
334
346