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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 (EPANEL)
40mm Porous Absorbent, 5000 Pa.s/m2 20mm Air 40mm Porous Absorbent, 5000 Pa.s/m2 Rigid backing • Absorber 2 (ROCKALM211) 40mm Porous Absorbent, 10000 Pa.s/m2 20mm Air 40mm Porous Absorbent, 10000 Pa.s/m2 Rigid backing • Absorber 3 (ALPHAROCK225) 40mm Porous Absorbent, 20000 Pa.s/m2 20mm Air 40mm Porous Absorbent, 20000 Pa.s/m2 Rigid backing • Absorber 4 (ROCKSOL501) 20mm Porous Absorbent, 20000 Pa.s/m2 60mm Air 20mm Porous Absorbent, 20000 Pa.s/m2 Rigid backing |