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Zonal Flows in Corotating Spherical Shells at Low Viscosity - Coggle…
Zonal Flows in Corotating Spherical Shells at Low Viscosity
Real world relevance
Geophysics: Earth's core is a thick spherical shell of fluid!
My simulations / computer models of the physics are in similar geometry to earth, so my results have direct connection to geophysics
Our solar system: Jupiter and Saturn provide observations of zonal flows / differential rotation that drive this research
Theory is attempting to describe differential rotation and vortices (think Jupiter's Great Red Spot)
Convection: this is more widely relevant as convection appears in many things including everyday life (boiling)
Can be applied to stars' differential rotation (but not directly as they are full spheres not shells)
The Theories Behind the Physics of Zonal Flows
Older Theories
Shallow Layer Theory
Solar radiation driving zonal flows
How these older theories have influenced newer theories/ transformed
Current Widely Accepted Theory
Deep convection driving Zonal Flows by Reynolds Stresses
Extensions of this theory to explain vortices (Look at Heumer paper)
Problems with this theory
What it can't explain
Limits on modeling due to computing power of technology
Explanation of how my research fits in to this theory (a small extension of it to lower viscosities)
My research: the dynamics at the lower asymptotic limit of viscosity (aka Ekman Number)
How I performed the research (the simulations I ran)
Detailed explanation of the physics
Force-balance equations
Explanation of Convection
What are the Ekman and Rayleigh Numbers?
Analysis of my models and figures// what are my results
Dynamics at different Rayleigh Number
Why this is an important think to note
Generalization of results
How the buoyancy affects the dynamics and asymptotic relationship of zonal flow to Ekman number
What do my results mean // My contribution
Do my results support the theory?
How can my analysis extend to planetary parameters?
What is missing from my models
Discussion of the uncertainty in my results
Implications of the Zonal Flows modeled in my simulations vs those seen on planets