Global Parameters

Air temperature: 20°C
Air pressure: 101325 Pa

X Axis: Frequency
Range: 10Hz - 200Hz
Scale: logarithmic
Resolution: medium

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

Absorber Parameters

• Absorber 1 (mdf6, 1cm aire, 20cm LaRo D=40)
Limp Membrane, 5.01 Kg/m2
10mm Air
200mm Porous Absorbent, 14000 Pa.s/m2
Rigid backing
• Absorber 2 (mdf3, 8cm aire, 18cm LaRo D=70)
Limp Membrane, 2.51 Kg/m2
80mm Air
180mm Porous Absorbent, 31900 Pa.s/m2
Rigid backing
• Absorber 3 (mdf10, 4cm aire, 28cm LaRo D=40)
Limp Membrane, 8.35 Kg/m2
40mm Air
280mm Porous Absorbent, 14000 Pa.s/m2
Rigid backing
• Absorber 4 (mdf10, 7cm aire, 24cm LaRo D=40)
Limp Membrane, 8.35 Kg/m2
70mm Air
240mm Porous Absorbent, 14000 Pa.s/m2
Rigid backing