Stellar Convective Penetration: Parameterized Theory and Dynamical Simulations

Most stars host convection zones in which heat is transported directly by fluid motion, but the behavior of convective boundaries is not well-understood. Here, we present 3D numerical simulations that exhibit penetration zones: regions where the entire luminosity could be carried by radiation, but w...

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Vydáno v:	The Astrophysical journal Ročník 926; číslo 2; s. 169 - 186
Hlavní autoři:	Anders, Evan H., Jermyn, Adam S., Lecoanet, Daniel, Brown, Benjamin P.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Philadelphia The American Astronomical Society 01.02.2022 IOP Publishing
Témata:	Adiabatic flow Astrophysical fluid dynamics Astrophysics Boussinesq equations Convection Convection heating Fluid motion Hydrodynamical simulations Hydrodynamics Luminosity Mathematical models Mixing length Numerical simulations Parameterization Penetration Radiation Simulation Solar convective zone Stellar convection Stellar convection envelopes Stellar convective shells Stellar convective zones Stellar evolution Stellar interiors Stellar models Stellar structures Stiffness Temperature gradients
ISSN:	0004-637X, 1538-4357
On-line přístup:	Získat plný text
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