Open Access
Table A.1
Normalized specific acoustic impedance, Z′s = (p/u)/(ρ0c), used in the numerical example. For information, the normal incidence reflection factor, Rp⊥, is given as well.
| Frequency | Re [Z′s] | Im [Z′s] | |Rp⊥| |
|---|---|---|---|
| 50 | 1.774 | -4.220 | 0.850 |
| 63 | 1.752 | -3.389 | 0.795 |
| 80 | 1.743 | -2.746 | 0.733 |
| 100 | 1.741 | -2.244 | 0.667 |
| 125 | 1.742 | -1.854 | 0.603 |
| 160 | 1.743 | -1.557 | 0.547 |
| 200 | 1.740 | -1.339 | 0.502 |
| 250 | 1.721 | -1.171 | 0.464 |
| 315 | 1.677 | -1.046 | 0.434 |
| 400 | 1.600 | -0.954 | 0.407 |
| 500 | 1.492 | -0.865 | 0.377 |
| 630 | 1.382 | -0.750 | 0.337 |
| 800 | 1.310 | -0.623 | 0.291 |
| 1k | 1.277 | -0.524 | 0.253 |
| 1.25k | 1.239 | -0.461 | 0.227 |
| 1.6k | 1.196 | -0.393 | 0.197 |
| 2.0k | 1.170 | -0.338 | 0.172 |
| 2.5k | 1.143 | -0.290 | 0.149 |
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