Global Parameters

Air temperature: 20°C
Air pressure: 101325 Pa

X Axis: Frequency
Range: 20Hz - 20000Hz
Scale: logarithmic
Resolution: medium

Angle of incidence: 0°
Porous model: Allard and Champoux (1992)
Helmholtz model: Ingard/Allard

Absorber Parameters

• Absorber 1 (D=28, espesor=80, aire=120)
80mm Porous Absorbent, 8500 Pa.s/m2
120mm Air
Rigid backing
• Absorber 2 (D=28, espesor=80, aire=80)
80mm Porous Absorbent, 8500 Pa.s/m2
80mm Air
Rigid backing
• Absorber 3 (D=28, espesor=80, aire=40)
80mm Porous Absorbent, 8500 Pa.s/m2
40mm Air
Rigid backing
• Absorber 4 (D=28, espesor=80, aire=0)
80mm Porous Absorbent, 8500 Pa.s/m2
Rigid backing