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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
500mm Porous Absorbent, 6000 Pa.s/m2 Rigid backing • Absorber 2 5mm Slotted Panel, 40mm/360mm (11.11%) 10mm Air 500mm Porous Absorbent, 6000 Pa.s/m2 Rigid backing • Absorber 3 5mm Slotted Panel, 40mm/360mm (11.11%) 10mm Air Limp Membrane, 0.05 Kg/m2 500mm Porous Absorbent, 6000 Pa.s/m2 Rigid backing • Absorber 4 Limp Membrane, 0.05 Kg/m2 500mm Porous Absorbent, 6000 Pa.s/m2 Rigid backing |
Absorber 2: Peak absorption at 89.3Hz. Damping=2.43 (high)
Absorber 4: Peak absorption at 596Hz. Damping=1.19 (medium)
Absorber 4: Peak absorption at 596Hz. Damping=1.19 (medium)