搜索结果: 1-15 共查到“理学 convection”相关记录146条 . 查询时间(0.117 秒)
Parameterizing deep convection using the assumed probability density function method
Parameterizing deep convection function method
2015/3/5
Due to their coarse horizontal resolution, presentday climate models must parameterize deep convection. This
paper presents single-column simulations of deep convection
using a probability density f...
Influence of the Ringwoodite-Perovskite transition on mantle convection in spherical geometry as a function of Clapeyron slope and Rayleigh number
Ringwoodite-Perovskite transition mantle convection spherical geometry Clapeyron slope Rayleigh number
2014/12/31
We investigate the influence on mantle convection of the negative Clapeyron slope ringwoodite to perovskite and ferro-periclase mantle phase transition, which is correlated with the seismic discontinu...
On the sensitivity of 3-D thermal convection codes to numerical discretization: a model intercomparison
numerical discretization 3-D thermal convection codes
2014/12/19
Fully 3-D numerical simulations of thermal convection in a spherical shell have become a standard for studying the dynamics of pattern formation and its stability under perturbations to various parame...
A hierarchical mesh refinement technique for global 3-D spherical mantle convection modelling
hierarchical mesh refi nement technique 3-D spherical mantle convection modelling
2014/12/12
A method for incorporating multi-resolution capabilities within pre-existing global 3-D spherical mantle convection codes is presented.
Unified parameterization of the planetary boundary layer and shallow convection with a higher-order turbulence closure in the Community Atmosphere Model: single-column experiments
the planetary boundary layer higher-order turbulence closure Community Atmosphere Model single-column experiments
2014/12/10
This paper describes the coupling of the Community Atmosphere Model (CAM) version 5 with a unified multi-variate probability density function (PDF) parameterization, Cloud Layers Unified by Binormals ...
Researchers model macroscale plasmonic convection to control fluid and particle motion（图）
macroscale plasmonic particle motion
2014/1/21
Researchers at Illinois have developed a new theoretical model that explains macroscale fluid convection induced by plasmonic (metal) nanostructures. Their model demonstrates the experimentally observ...
Bistable attractors in a model of convection-driven spherical dynamos
self-consistent MHD dynamos thermal convection oscillatory dynamos Fluid Dynamics
2012/4/11
The range of existence and the properties of two essentially different chaotic attractors found in a model of nonlinear convection-driven dynamos in rotating spherical shells are investigated. A hyste...
The “salt wedge pump”: Convection-driven pore-water exchange as a source of dissolved organic and inorganic carbon and nitrogen to an estuary
salt wedge pump Convection-driven pore-water exchange source of dissolved organic inorganic carbon nitrogen to an estuary
2012/4/4
Hypoxia and anoxia in coastal waters have typically been explained by the respiration of sinking organic matter associated with nutrient over-enrichment and phytoplankton blooms. Here, we assess wheth...
The ‘‘salt wedge pump’’: Convection-driven pore-water exchange as a source of dissolved organic and inorganic carbon and nitrogen to an estuary
salt wedge pump Convection-driven pore-water exchange a source of dissolved organic inorganic carbon nitrogen to an estuary
2012/4/3
Hypoxia and anoxia in coastal waters have typically been explained by the respiration of sinking organic matter associated with nutrient over-enrichment and phytoplankton blooms. Here, we assess wheth...
Heat Generation Effects on MHD Natural Convection Flow along a Vertical Wavy Surface with Variable Thermal Conductivity
Natural Convection Magnetohydrodynamics Heat Transfer Wavy Surface Temperature Dependent Thermal Conductivity Heat Generation
2012/3/30
The heat generation effects on magnetohydrodynamic(MHD) natural convection flow along a vertical wavy surface with variable thermal conductivity have been investigated. The governing boundary layer eq...
An Upwind Finite Volume Element Method for Nonlinear Convection Diffusion Problem
Nonlinear Convection-Diffusion Tetrahedron Partition Error Estimates
2011/12/30
A class of upwind finite volume element method based on tetrahedron partition is put forward for a nonlinear convection diffusion problem. Some techniques, such as calculus of variations, commutating ...
Characteristics of convection and overshooting in RGB and AGB stars
RGB and AGB stars: convection of stars: turbulent convection model: con-vective overshooting
2011/7/5
Based on the turbulent convection model (TCM) of Li & Yang (2007), we have studied the characteristics of turbulent convection in the envelopes of 2 and 5M stars at the RGB and AGB phases. The TCM has...
An Exponential Series Method for the Solution of Free Convection Boundary Layer Flow in a Saturated Porous Medium
Boundary Layer Equations Stretching Surface Dirichlet Series Powell’s Method Stretching of Variables.
2011/6/30
Third order nonlinear ordinary differential equation, subject to appropriate boundary conditions, arising in fluid mechanics is solved exactly using more suggestive schemes- Dirichlet series and metho...
Characteristic Analysis of Exponential Compact Higher Order Schemes for Convection-Diffusion Equations
Exponential Scheme, Compact Higher Order Scheme, Characteristics, Resolving Efficiency, Finite Difference
2011/6/30
This paper looks at the development of a class of Exponential Compact Higher Order (ECHO) schemes and attempts to comprehend their behaviour by introducing different combinations of discrete source fu...
Low-dimensional model of turbulent Rayleigh-Benard convection in a Cartesian cell with square domain
Low-dimensional model Cartesian cell square domain turbulent Rayleigh-Benard convection
2011/6/21
A low-dimensional model (LDM) for turbulent Rayleigh-Benard convection in a Cartesian cell with square domain, based on the Galerkin projection of the Boussinesq equations onto a finite set of empiric...