A generalized time-dependent local convection theory |
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Authors: | Da-run Xiong |
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Institution: | Purple Mountain Observatory, Academia Sinica, China |
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Abstract: | The time-dependent convection theory given in 1] is generalized to include non-radial oscillations. Under some reasonable assumptions, dynamic equations are derived of the auto-correlation and cross-correlation functions of the velocity and temperature fluctuations. Steady and pulsating components are separated and solved for. Our steady component agrees with Vitense's formulae. The pulsating component contains a phase-lag, due to the inertia of the convective motion. |
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