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Overview ISO 9053-2:2020 - Acoustics: Determination of airflow resistance - Part 2: Alternating airflow method specifies an alternating‑airflow test technique for measuring the airflow resistance of…
1 Scope This document specifies an alternating airflow method for the determination of the airflow resistance [ 5 ], [ 6 ] of porous materials for acoustical applications. Determination of the airflo…