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The specific heat of fibrous materials

Publisher
Elsevier Science
Year
1913
Tongue
English
Weight
60 KB
Volume
175
Category
Article
ISSN
0016-0032

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πŸ“œ SIMILAR VOLUMES

Acoustic properties of fibrous materials
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## ABSTRA CT The acoustic behaviour of fibrous materials which depends upon physical structural parameters has been investigated experimentally. Numerous values of characteristic impedance and propagation constant have been determined for materials having different fibre diameter and density. For

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## Results are presented of an investigation into the acoustical properties of a range of fibrous absorbent materials. Measured values of characteristic impedance and propagation coefficient are shown to normalise as a function of frequency divided by flow-resistance and can be represented by simple