Results 31 to 40 of about 34,745 (260)

Improvements to Stellar Structure Models, Based on a Grid of 3D Convection Simulations. I. $T(\tau)$-Relations [PDF]

open access: yes, 2014
Relations between temperature, T, and optical depth, tau, are often used for describing the photospheric transition from optically thick to optically thin in stellar structure models.
Asplund, Martin   +4 more
core   +1 more source

Characteristic Form and Distance in High‐Level Hierarchical Structure of Self‐Aggregated Clouds in Radiative‐Convective Equilibrium

open access: yesGeophysical Research Letters, 2022
The nature of convective organization remains elusive, despite its importance in understanding the role of clouds in climate systems. This study reports a new type of large‐scale structure formed by the self‐organization of deep moist atmospheric ...
Tomoro Yanase   +3 more
doaj   +1 more source

The Impact of a Land‐Sea Contrast on Convective Aggregation in Radiative‐Convective Equilibrium

open access: yesJournal of Advances in Modeling Earth Systems, 2023
Convective aggregation is an important atmospheric phenomenon which frequently occurs in idealized models in radiative‐convective equilibrium (RCE), where the effects of land, rotation, sea surface temperature gradients, and the diurnal cycle are often ...
Beth Dingley   +3 more
doaj   +1 more source

Convective cores in galactic cooling flows [PDF]

open access: yes, 2000
We use hydrodynamic simulations with adaptive grid refinement to study the dependence of hot gas flows in X-ray luminous giant elliptical galaxies on the efficiency of heat supply to the gas. We consider a number of potential heating mechanisms including
Alexei Kritsuk   +40 more
core   +5 more sources

Cloud‐Radiation Interactions and Their Contributions to Convective Self‐Aggregation

open access: yesJournal of Advances in Modeling Earth Systems, 2021
This study investigates the direct radiative‐convective processes that drive and maintain aggregation within convection‐permitting elongated channel (and smaller square) simulations of the UK Met Office Unified Model. Our simulations are configured using
Kieran N. Pope   +3 more
doaj   +1 more source

Self-Organization of Atmospheric Macroturbulence into Critical States of Weak Nonlinear Eddy–Eddy Interactions [PDF]

open access: yes, 2006
It is generally held that atmospheric macroturbulence can be strongly nonlinear. Yet weakly nonlinear models successfully account for scales and structures of baroclinic eddies in Earth's atmosphere.
Schneider, Tapio, Walker, Christopher C.
core   +1 more source

Instabilities and Evolution of Radiative-Convective Equilibrium

open access: yes, 2023
See README for more ...
Bolei, , Zhe-Min, , Ji
openaire   +1 more source

Sensitivity of Convective Self‐Aggregation to Domain Size

open access: yesJournal of Advances in Modeling Earth Systems, 2019
A 3‐D cloud‐resolving model has been used to investigate the domain size dependence of simulations of convective self‐aggregation (CSA) in radiative‐convective equilibrium. We investigate how large a domain is needed to allow multiple convective clusters
Casey R. Patrizio, David A. Randall
doaj   +1 more source

The Stagger-grid: A Grid of 3D Stellar Atmosphere Models - I. Methods and General Properties [PDF]

open access: yes, 2013
We present the Stagger-grid, a comprehensive grid of time-dependent, 3D hydrodynamic model atmospheres for late-type stars with realistic treatment of radiative transfer, covering a wide range in stellar parameters. This grid of 3D models is intended for
Asplund, M.   +7 more
core   +1 more source

Ensemble of Radiative‐Convective Equilibrium Simulations Near the Aggregated and Scattered Boundary

open access: yesGeophysical Research Letters, 2021
An ensemble of 10 radiative‐convective equilibrium (RCE) simulations near the sharp transition zone between scattered and aggregated states are examined in a square‐domain cloud‐resolving model.
Ching‐Shu Hung, Hiroaki Miura
doaj   +1 more source

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