Property

Air Flow Resistance
v1.0

Active

URL: https://opendictionary-ecstest.test-bim.com/organization/65b777fa-1548-4e9b-bb6a-61e9b0649061/dictionary/982d9869-0f53-4973-a084-181b947ffa95/property/81b10f9e-f7f3-4133-ad53-f6b8c499a8c8

GUID: f6b6db4f-993d-4306-86a3-6c3f1f6bdbff

Definition

The measured pressure drop across the mesh material at a standard air velocity

Description

Important for screening systems covering ventilation inlets

Example

5

Technical definition

Data type

Float

Unit

Pascal (Pa)

Quantity Kind

Force Per Area

Usage

References

Reference documents (3)

  • ASTM C522 Airflow Resistance of Acoustical Materials v1.0
  • EN 29053 Measuring Sound Absorption v1.0
  • EN ISO 9053 Acoustics Airflow Resistance Measurement v1.0

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