Objavljen
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.
POVUČEN
ISO 9053:1991
OBJAVLJEN
ISO 9053-2:2020
90.93
Odluka o potvrđivanju standarda
11. 12. 2025.
Akustika – Određivanje otpornosti strujanju vazduha – Deo 2: Metoda promenljivog protoka vazduha
60.60 Standard objavljen