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Global Parameters
Air temperature: 20°C
Air pressure: 101325 Pa X Axis: Frequency Range: 20Hz - 500Hz Scale: logarithmic Resolution: medium Angle of incidence: 0° Porous model: Allard and Champoux (1992) Helmholtz model: Ingard/Allard |
Absorber Parameters
• Absorber 1
18mm Slotted Panel, 1mm/201mm (0.50%) 2mm Air 150mm Porous Absorbent, 10000 Pa.s/m2 150mm Air Rigid backing • Absorber 2 18mm Slotted Panel, 1mm/201mm (0.50%) 2mm Air 298mm Air Rigid backing • Absorber 3 18mm Slotted Panel, 1mm/151mm (0.66%) 302mm Air Rigid backing • Absorber 4 18mm Slotted Panel, 2mm/151mm (1.32%) 2mm Air 150mm Porous Absorbent, 10000 Pa.s/m2 150mm Air Rigid backing |
Absorber 2: Peak absorption at 48.6Hz. Damping=1.12 (medium)
Absorber 3: Peak absorption at 55.7Hz. Damping=0.90 (medium)
Absorber 4: Peak absorption at 61.1Hz. Damping=2.53 (high)
Absorber 3: Peak absorption at 55.7Hz. Damping=0.90 (medium)
Absorber 4: Peak absorption at 61.1Hz. Damping=2.53 (high)