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Global Parameters
Air temperature: 20°C
Air pressure: 101325 Pa X Axis: Frequency Range: 20Hz - 2000Hz Scale: logarithmic Resolution: medium Angle of incidence: 0° Porous model: Allard and Champoux (1992) Helmholtz model: Transfer matrix |
Absorber Parameters
• Absorber 1 (No gap)
10mm Perforated Panel, 10mm/150mm (0.35%) 50mm Porous Absorbent, 10000 Pa.s/m2 50mm Air Rigid backing • Absorber 2 (1mm gap) 10mm Perforated Panel, 10mm/150mm (0.35%) 1mm Air 50mm Porous Absorbent, 10000 Pa.s/m2 49mm Air Rigid backing • Absorber 3 (2mm gap) 10mm Perforated Panel, 10mm/150mm (0.35%) 2mm Air 50mm Porous Absorbent, 10000 Pa.s/m2 48mm Air Rigid backing • Absorber 4 (10mm gap) 10mm Perforated Panel, 10mm/150mm (0.35%) 10mm Air 50mm Porous Absorbent, 10000 Pa.s/m2 40mm Air Rigid backing |
Absorber 1: Peak absorption at 70.7Hz. Damping=1.19 (medium)
Absorber 2: Peak absorption at 70.7Hz. Damping=1.17 (medium)
Absorber 3: Peak absorption at 70.7Hz. Damping=1.16 (medium)
Absorber 4: Peak absorption at 70.7Hz. Damping=1.05 (medium)
Dotted lines indicate that the model used to estimate absorber properties has been used outside of its applicable range. Results may therefore be less accurate than where a solid line is displayed.
Absorber 2: Peak absorption at 70.7Hz. Damping=1.17 (medium)
Absorber 3: Peak absorption at 70.7Hz. Damping=1.16 (medium)
Absorber 4: Peak absorption at 70.7Hz. Damping=1.05 (medium)
Dotted lines indicate that the model used to estimate absorber properties has been used outside of its applicable range. Results may therefore be less accurate than where a solid line is displayed.