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A simple test method for measuring water vapor resistance of porous polymeric materials

โœ Scribed by Huang, Jianhua; Zhang, Chang; Qian, Xiaoming


Book ID
120644923
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
236 KB
Volume
32
Category
Article
ISSN
0142-9418

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โœ D. Huszty; A. Illenyi; Gy. Vass ๐Ÿ“‚ Article ๐Ÿ“… 1972 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 735 KB

We constructed a sh:gle-purpose equipment for the investigation of the flow resistance' of porous and fibrous acoustical materials utilised in sound absorbing devices. The equipment serving for the measurement underlies on the arrangement reported also by Beranek. 5-9 In its appropriate shaping supp