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ROOM EQUIVALENT ABSORPTION AREA [1 record]

Record 1 2012-04-05

English

Subject field(s)
  • Building Insulation and Acoustical Design
  • Acoustics (Physics)
DEF

Of an object in a room(or the room itself), the equivalent surface area of unity absorption factor which absorbs acoustic energy at the same rate.

CONT

In general, where noise control is the significant requirement, the equivalent absorption of a full ceiling of acoustical tile providing a noise-reduction coefficient of about 0.65 to 0.70 is adequate.

French

Domaine(s)
  • Isolation et acoustique architecturale
  • Acoustique (Physique)
CONT

Nouvelle réglementation. (Logements d'habitation [...] Correction acoustique des circulations communes (A, aire d'absorption équivalente totale des produits absorbants) [...] 1. l'aire d'absorption équivalente A d'un produit est calculée à partir de son indice d'évaluation de l'absorption alpha w (A = alpha w x Surface du produit). 2. sont visés les appareils individuels de chauffage et de production d'eau chaude, les climatiseurs et la VMC.

CONT

L'aire d'absorption équivalente [...] d'une pièce est la surface fictive [...] d'un matériau parfait (de coefficient d'absorption égal à 1), qui absorberait autant d'énergie qu'en absorbent ensemble toutes les parois de la pièce.

Spanish

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