本文件规定了一种交替气流法，用于测定声学应用多孔材料的气流阻力[5]、[6]。 ISO 9053-1中描述了基于静态流量的气流阻力测定。购买本文件时可获得的所有当前修订均包含在购买本文件中。

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.All current amendments available at time of purchase are included with the purchase of this document.