GB/T 25077-2010 Active National standards

GB/T 25077-2010 Acoustics—Materials for acoustical applications—Determination of airflow resistance

Publish Date: 2010-09-02 Implement Date: 2011-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 25077-2010

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Acoustic metrology

ICS Name: Acoustics and acoustic measurement

Publish Date: 2010-09-02

Implement Date: 2011-04-01

Pages: 11 pages

Scope

This standard specifies two methods for measuring the flow resistance of porous sound-absorbing materials.
The specimens can be directly cut from porous material products.
Note: For references on the characteristics of airflow in laminar and turbulent states, please refer to Appendix A.