Računanje ukupne apsorpcije prostorije

[boggy]

Postoji srednja apsorpcija sobe:

Mean Absorption Coefficient

The mean absorption coefficient for the room can be expressed as:

a_m = A / S

where

a_m = mean absorption coefficient
A = the absorption of the room (m² Sabine)
S = total surface in the room (m²)

pa po tome, da sve povrsine pokrijes jednom tablom azme od 2cm, dobices srednji apsorpcioni koeficijent kakav si imao i na pocetku.

Apsorpcioni koeficijent NE moze biti veci od 1... barem po definiciji. Maksimalni apsorpcioni koeficijent ima "otvoren prozor"... sve sto "udari u njega... izadje napolje i nikada se ne vrati (teorija!)

Dalje sta moze biti zanimljivo je:

Room Constant

The room constant express an acoustic property of the room:

R = A / (1- α_m) = Σ S_i α_i / (1- α_m)

where

R = room constant (m² Sabine)
A = absorption of the room (m² Sabine)
α_m = mean absorption coefficient of the room
S_i = individual surface area in the room (m²)
α_i = absorption coefficient for individual surface in the room

sve to mozes naci ovde:
http://www.engineeringtoolbox.com/so...door-d_72.html


pozdrav

bogi