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Global Parameters
Air temperature: 20°C
Air pressure: 101325 Pa X Axis: Frequency Range: 50Hz - 2000Hz Scale: logarithmic Resolution: medium Angle of incidence: 0° Porous model: Allard and Champoux (1992) Helmholtz model: Ingard/Allard |
Absorber Parameters
• Absorber 1
12mm Perforated Panel, 8mm/27mm (6.90%) 50mm Air Rigid backing • Absorber 2 12mm Perforated Panel, 8mm/24mm (8.73%) 50mm Porous Absorbent, 10000 Pa.s/m2 Rigid backing |
Absorber 1: Peak absorption at 484Hz. Damping=0.06 (very low)
Absorber 2: Peak absorption at 486Hz. Damping=1.30 (medium)
Absorber 2: Peak absorption at 486Hz. Damping=1.30 (medium)