Saturn's Exploration Beyond Cassini-Huygens

Guillot, T.; Atreya, S. K.; Charnoz, S.; Dougherty, M. K.; Read, P. L.

doi:10.1007/978-1-4020-9217-6_23

Cited by 9 publications

(6 citation statements)

References 71 publications

(73 reference statements)

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“…15a (Galperin et al , 2006. Recent studies explore both the zonostrophic regime and the presence of the zonons in planetary circulations (Del Genio et al 2009;Guillot et al 2009). For the oceanic flows, R β 1.5 and so they can be classified as transitional or marginally zonostrophic.…”

Section: Discussionmentioning

confidence: 98%

Geophysical flows with anisotropic turbulence and dispersive waves: flows with a β-effect

2010

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Geostrophic turbulence is a key paradigm in the current understanding of the large-scale planetary circulations. It implies that a flow is turbulent, rotating, stably stratified, and in near-geostrophic balance. When a small-scale forcing is present, geostrophic turbulence features an inverse energy cascade. When the meridional variation of the Coriolis parameter (or a β-effect) is included, the horizontal flow symmetry breaks down giving rise to the emergence of jet flows. The presence of a large-scale drag ensures that the flow attains a steady state. Dependent on the governing parameters, four steady-state flow regimes are possible, two of which are considered in this study. In one of these regimes, a flow is dominated by the drag while in the other one, the recently discovered regime of zonostrophic turbulence, a flow becomes strongly anisotropic and features slowly evolving systems of alternating zonal jets. Zonostrophic turbulence is distinguished by anisotropic inverse energy cascade and emergence of a new class of nonlinear waves known as zonons. In addition, meridional scalar diffusion is strongly modified in this regime. This paper provides an overview of various regimes of turbulence with a β-effect, elaborates main characteristics of frictiondominated and zonostrophic turbulence, elucidates the physical nature of the zonons, discusses the meridional diffusion processes in different regimes, and relates these results to oceanic observations.

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Section: Discussionmentioning

confidence: 98%

Geophysical flows with anisotropic turbulence and dispersive waves: flows with a β-effect

2010

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“…Essential progress in this context is expected from the data of the Cassini and Juno space missions to Saturn and Jupiter, see e.g. Guillot et al (2009Guillot et al ( , 2018 and Hubbard et al (2009). New high-pressure experiments using novel diamond-anvil-cell (DAC) techniques (Dias & Silvera 2017), high-power optical lasers (Hicks et al 2009;Davis et al 2016), pulsed power (Knudson et al 2015;Knudson & Desjarlais 2017) or the infrastructure at free-electron-laser (FEL) facilities such as the linac coherent light source (LCLS) (Glenzer et al 2016) will continue to improve our knowledge about matter under extreme conditions.…”

mentioning

confidence: 99%

Simulations of H–He mixtures using the van der Waals density functional

Schöttler

Redmer

2018

J. Plasma Phys.

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We show results on the high-pressure equation of state of hydrogen–helium mixtures obtained from finite-temperature density functional theory molecular dynamics simulations using the van der Waals density functional. We discuss the calculation of non-ideal entropies based on different methods and show how nuclear quantum corrections influence the free enthalpy of mixing. Furthermore, we calculate a Saturn isentrope based on our new equation of state data.

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“…Standard planetary models suggest that the interior of Saturn is similar to that of Jupiter, having a small rocky core surrounded by hydrogen and helium, with trace amounts of various volatiles [54]. This core is similar in composition to Earth but is denser.…”

Section: Planets and Moonsmentioning

confidence: 99%

Solar System. Angular Momentum. Dark Matter Reactors

Netchitailo¹

2021

JHEPGC

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The developed Hypersphere World-Universe Model (WUM) is consistent with all Concepts of the World [1]. In WUM, we postulate the principal role of Angular Momentum and Dark Matter in Cosmological theories of the World. The most widely accepted model of Solar System formation, known as the Nebular hypothesis, does not solve the Angular Momentum problemwhy is the orbital momentum of Jupiter larger than rotational momentum of the Sun? WUM is the only cosmological model in existence that is consistent with this Fundamental Law. The Nebular hypothesis does not solve Internal Heating and Diversity problems for all Planets and Moons in Solar systemwhy the actual mean surface temperature of them is higher than their effective temperature calculated based on the Sun's heat for them and how could each one be so different if all of them came from the same nebula? The proposed concept of Dark Matter Reactors in Cores of all gravitationally-rounded Macroobjects successfully resolves these problems.

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Saturn's Exploration Beyond Cassini-Huygens

Abstract: For its beautiful rings, active atmosphere and mysterious magnetic field, Saturn is a fascinating planet. It also holds some of the keys to understanding the formation of our Solar

Cited by 9 publications

References 71 publications

Geophysical flows with anisotropic turbulence and dispersive waves: flows with a β-effect

Geophysical flows with anisotropic turbulence and dispersive waves: flows with a β-effect

Simulations of H–He mixtures using the van der Waals density functional

Solar System. Angular Momentum. Dark Matter Reactors

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