Question

The volume of a hall is 500m^3.the area of wall is 220m^2, the area of floor and celeing is 120m each. The absorption coefficient of wall , floor and celeing is 0.03,0.025,0.6 respecticely. Determine the reverbration time for the wall

Answer 1

$\huge\star{\underline{\mathtt{\red{A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}⋆$

solve it by this formula

Formula for Sabins: a = Σ S α

Where: Σ = sabins (total room absorption at given frequency) S = surface area of material (feet squared) ...

Sabine Formula: RT60 = 0.049 V/a.

Where: RT60 = Reverberation Time. V = volume of the space (feet cubed).