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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
3mm Perforated Panel, 5mm/15mm (8.73%) 10mm Air 300mm Porous Absorbent, 5000 Pa.s/m2 20mm Air Rigid backing • Absorber 2 3mm Perforated Panel, 3mm/25mm (1.13%) 10mm Air 300mm Porous Absorbent, 5000 Pa.s/m2 20mm Air Rigid backing |
Absorber 1: Peak absorption at 466Hz. Damping=1.15 (medium)
Absorber 2: Peak absorption at 132Hz. Damping=1.48 (high)
Absorber 2: Peak absorption at 132Hz. Damping=1.48 (high)