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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, 4000 Pa.s/m2 100mm Air Rigid backing • Absorber 2 Limp Membrane, 1.5 Kg/m2 500mm Porous Absorbent, 4000 Pa.s/m2 100mm Air Rigid backing |
Absorber 2: Peak absorption at 61.5Hz. Damping=1.81 (high)