User:Tohline/Appendix/Ramblings/Saturn

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Saturn

Whitworth's (1981) Isothermal Free-Energy Surface
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Hexagon Storm

Image on the Right: obtained from this NASA/JPL site; image on the Left: obtained from this NASA Newsletter. See also the wikipedia page titled, Saturn's hexagon.

Casini image

Image of Saturn's Hexagon Storm

Post Cassini

Binary Mass-Transfer

Several key references:


FIGURE 3:   Nonlinear-Amplitude Distortions that Develop in Three Separate Model Evolutions
Evolution A Evolution B Evolution C

MFTD (2007)
Model Q0.4D
Animation: video4.mpg
(link is in caption of their Figure 3)

MFSCFEDT (2017)
Model Q0.4P_S1
Animation: apjsaa5bdef26_video.mpg
(link is in caption of their Figure 26)

MFSCFEDT (2017)
Model Q0.5P_G1
Animation: apjsaa5bdef21_video.mpg
(link is in caption of their Figure 21)

Q04DcroppedD.png Q0.4P S1croppedD.png Q0.5P G1croppedD.png
Q04D squareD.png Q0.4P S1 squareD.png Q0.5P G1 squareD.png
Q04D triangleD.png Q0.4P S1 triangleD.png Q0.5P G1 triangleD.png
The evolution identified here as Model Q0.5P_G1 was first discussed in §5.2 of DMTF (2006), wherein it was identified as Model Q0.5-Da; the caption to Figure 7 of that paper contains a link to an (mpeg_file = video3-2.mpg) animation that presents a 3D rendering of this model's evolution.


The following discussion has largely been extracted from §3.1.4 of MFSCFEDT (2017):

In §4 of their paper, MFTD (2007) point out that in the vicinity of the accretor some of the models developed nonlinear-amplitude "equatorial distortions with [azimuthal mode numbers] <math>~6 \ge m \ge 3</math>." As is illustrated by the trio of images displayed in the bottom row of Figure 3, above, at a certain point (or points) in each of these binary mass-transfer evolutions … the disk surrounding the accretor has a triangular shape … This trio of triangular shaped images come from, respectively, evolutionary times: (A, B, C) = (15.3, 17.50, 24.33), as measured in terms of initial orbital periods.

Related Discussions

Whitworth's (1981) Isothermal Free-Energy Surface

© 2014 - 2021 by Joel E. Tohline
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Recommended citation:   Tohline, Joel E. (2021), The Structure, Stability, & Dynamics of Self-Gravitating Fluids, a (MediaWiki-based) Vistrails.org publication, https://www.vistrails.org/index.php/User:Tohline/citation