标准摘要
[中文适用范围]： 本文件规定了一种用于确定声学应用多孔材料的气流阻力[5]、[6]的交替气流方法。 ISO 9053-1 中描述了基于静态流量的气流阻力测定。 [外文原描述]： 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 airflow resistance based on static flow is described in ISO 9053‑1.
英文名称Acoustics — Determination of airflow resistance — Part 2: Alternating airflow method