|
|
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
15mm Slotted Panel, 1mm/97mm (1.03%) 20mm Air 400mm Porous Absorbent, 4000 Pa.s/m2 200mm Air Rigid backing • Absorber 2 400mm Porous Absorbent, 4000 Pa.s/m2 200mm Air Rigid backing |
Absorber 1: Peak absorption at 50.9Hz. Damping=2.13 (high)