Reproducibility experiments on measuring acoustical properties of rigid-frame porous media (round-robin tests) |
| |
| Authors: | Horoshenkov Kirill V Khan Amir Bécot François-Xavier Jaouen Luc Sgard Franck Renault Amélie Amirouche Nesrine Pompoli Francesco Prodi Nicola Bonfiglio Paolo Pispola Giulio Asdrubali Francesco Hübelt Jörn Atalla Noureddine Amédin Celse K Lauriks Walter Boeckx Laurens |
| |
| Institution: | School of Engineering, Design and Technology, University of Bradford, Bradford, United Kingdom. k.horoshenkov@bradford.ac.uk |
| |
| Abstract: | This paper reports the results of reproducibility experiments on the interlaboratory characterization of the acoustical properties of three types of consolidated porous media: granulated porous rubber, reticulated foam, and fiberglass. The measurements are conducted in several independent laboratories in Europe and North America. The studied acoustical characteristics are the surface complex acoustic impedance at normal incidence and plane wave absorption coefficient which are determined using the standard impedance tube method. The paper provides detailed procedures related to sample preparation and installation and it discusses the dispersion in the acoustical material property observed between individual material samples and laboratories. The importance of the boundary conditions, homogeneity of the porous material structure, and stability of the adopted signal processing method are highlighted. |
| |
| Keywords: | |
| 本文献已被 PubMed 等数据库收录！ |
|
