Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cemda..81..299e&link_type=abstract
Celestial Mechanics and Dynamical Astronomy, v. 81, Issue 4, p. 299-312 (2001).
Astronomy and Astrophysics
Astronomy
Euler Equations, Rotating Spheroids, Earth'S Inner And Outer Cores
Scientific paper
By solving the Euler hydrodynamical equations we have obtained closed form solutions for the angular velocities and pressures of a three stratified non-confocal heterogeneous oblate spheroid. Limiting and particular solutions cases, such as a spheroid with N layers, a stratified spheroid with the same eccentricities, as well as confocal layered spheroids are also explicitly written down. As an application, we have numerically estimated planet Earth's outer and inner cores' ellipticities to be ɛ_o=1/413.318 and ɛ_i=1/424.616, respectively. These Earth's ellipticities values are in good agreement with those found in the literature.
Esteban Ernesto P.
Vazquez Samuel
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