Mean flow generation in rotating anelastic two-dimensional convection

被引：10

作者：

Currie, Laura K. ^{[1
,2
]}

Tobias, Steven M. ^{[2
]}

机构：

[1] Univ Exeter, Dept Phys & Astron, Exeter EX4 4QL, Devon, England

[2] Univ Leeds, Dept Appl Math, Leeds LS2 9JT, W Yorkshire, England

来源：

PHYSICS OF FLUIDS | 2016年 / 28卷 / 01期

基金：

英国科学技术设施理事会;

关键词：

TURBULENT COMPRESSIBLE CONVECTION; DIFFERENTIAL ROTATION; ZONAL FLOW; BOUNDARY-CONDITIONS; GIANT PLANETS; THERMAL-CONVECTION; SOLAR CONVECTION; SPHERICAL-SHELLS; MAGNETIC-FIELD; MULTIPLE JETS;

D O I：

10.1063/1.4939300

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

We investigate the processes that lead to the generation of mean flows in two-dimensional anelastic convection. The simple model consists of a plane layer that is rotating about an axis inclined to gravity. The results are twofold: first, we numerically investigate the onset of convection in three-dimensions, paying particular attention to the role of stratification and highlight a curious symmetry. Second, we investigate the mechanisms that drive both zonal and meridional flows in two dimensions. We find that, in general, non-trivial Reynolds stresses can lead to systematic flows and, using statistical measures, we quantify the role of stratification in modifying the coherence of these flows. (C) 2016 AIP Publishing LLC.

引用

页数：18

共 52 条

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