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Table 1.
Computed end correction values for each pipe condition using both the classical (Levine & Schwinger) and empirical models. Differences between δ LS and δ m increase slightly with ka, but remain within 3% across all cases.
| Cross section | Sounding frequency (Hz) | a (m) | ka | δ LS (mm) | δ m (mm) |
|---|---|---|---|---|---|
| Circular | 870 | 0.01000 | 0.159 | 6.1330 | 6.1033 |
| Circular | 2056 | 0.01000 | 0.377 | 6.1330 | 5.9673 |
| Square | 474 | 0.00564 | 0.049 | 3.4590 | 3.4574 |
| Square | 875 | 0.00564 | 0.090 | 3.4590 | 3.4536 |
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