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Table 4
Summary of the different cases.
| Wave and fluid properties | |||||
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| σ(rc) | κ | ν |
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| ≠ 0 | Not a critical layer | ||||
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| 0 | 0 | 0 | ≥ 1/4 | attenuation | Fig. 1 |
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| < 1/4 | Possible over-reflection + possible over-transmission | Fig. 3 | |||
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| ≠ 0 | |||||
| ≪ 1 | ≥ 1/4 | Attenuation + radiative damping | |||
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| ≪ 1 | < 1/4 | Possible over-reflection + possible over-transmission + radiative damping | |||
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| ≫ 1 | Non-stellar case | ||||
Notes. The observed effects depend on the properties of the wave (the frequency (σ) and degrees (l, m)) and of the fluid (thermal conductivity (κ), viscosity coefficient (ν), Richardson number (Ri)).
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