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Global Parameters
Air temperature: 20°C
Air pressure: 101325 Pa X Axis: Frequency Range: 20Hz - 20000Hz Scale: logarithmic Resolution: medium Porous model: Allard and Champoux (1992) Helmholtz model: Ingard/Allard |
Absorber Parameters
• Absorber 1
20mm Porous Absorbent, 10000 Pa.s/m2 Rigid backing Normal incidence • Absorber 2 20mm Porous Absorbent, 10000 Pa.s/m2 Rigid backing Angle of incidence: 70° |