On the influence of turbulent motions on non-radial oscillations

Details On the influence of turbulent motions on non-radial oscillations On the influence of turbulent motions on non-radial oscillations

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984sses.nasa..325d&link_type=abstract

In JPL Solar Seismology from Space. p 325-334 (SEE N85-25060 14-92)

Computer Science

Numerical Analysis

1

Convection, Numerical Analysis, Reynolds Stress, Solar Oscillations, Turbulence, Conservation Equations, Gravitational Fields, Momentum, Variational Principles, Velocity Distribution

Scientific paper

The effect of turbulent motions on oscillations is studied, considering only the coupling between turbulent and oscillatory velocities. In this case, the turbulence affects the oscillations through the Reynolds stresses in the momentum equation for the pulsations. A simple model of turbulence is adopted to evaluate these Reynolds stresses and the perturbed eigenfrequencies are expressed as a function of certain averages of the turbulent velocities.

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