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Global Parameters
Air temperature: 22°C
Air pressure: 101325 Pa X Axis: Frequency Range: 20Hz - 20000Hz Scale: logarithmic Resolution: medium Angle of incidence: 0° Porous model: Komatsu (2008) Helmholtz model: Ingard/Allard |
Absorber Parameters
• Absorber 1
Limp Membrane, 5 Kg/m2 25mm Porous Absorbent, 15000 Pa.s/m2 200mm Air Rigid backing • Absorber 2 Limp Membrane, 5 Kg/m2 200mm Air 25mm Porous Absorbent, 15000 Pa.s/m2 Rigid backing • Absorber 3 Limp Membrane, 5 Kg/m2 225mm Porous Absorbent, 5000 Pa.s/m2 Rigid backing • Absorber 4 Limp Membrane, 5 Kg/m2 225mm Porous Absorbent, 6300 Pa.s/m2 Rigid backing |
Absorber 1: Peak absorption at 53.3Hz. Damping=0.51 (low)
Absorber 2: Peak absorption at 54.8Hz. Damping=0.03 (very low)
Absorber 3: Peak absorption at 46.8Hz. Damping=0.88 (medium)
Absorber 4: Peak absorption at 46.2Hz. Damping=1.00 (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 54.8Hz. Damping=0.03 (very low)
Absorber 3: Peak absorption at 46.8Hz. Damping=0.88 (medium)
Absorber 4: Peak absorption at 46.2Hz. Damping=1.00 (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.