Instabilities and pattern evolution in a vertically heated annulus

• 作 者: WANG BoFu GUO ZhiWei MA DongJu
• 机 构: DepartmentofModernMechanics,SchoolofWaterResourcesandHydropowerEngineering,SchoolofAerospaceEngineer
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2013年2期
• 关键词: 不稳定性分析 线性稳定性分析 热环 垂直 演变 对流加热 数值模拟 非线性演化 thermal convection flow instability pa
• 基金项目: This work was supported by the National Natural Science Foundation of China （Grant No. 11072238）, and the 111 Project of China （Grant No. B07- 033）.

The convection in an annular container with heated bottom,cooled top and insulated side walls are studied by both linear instability analysis and direct numerical simulation.The onset of convection is investigated by linear stability analysis and correspo