水资源与水工程学报2018，Vol.29Issue(1)：182-186,5.DOI:10.11705/j.issn.1672-643X.2018.01.31
底部均匀加热的倾斜腔体中的对流特性
Convection characteristics in the inclination cavity of uniform heating from below
摘要
Abstract
The numerical simulation of the basic equations of two-dimensional fluid mechanics is carried out to investigate the convective characteristics of the rectangular cavity in a certain inclination angle under uniform heating at the Prandtl number Pr =6.99,and the influence of different control parameters on the convection pattern and the velocity profile is also discussed.The following two conditions are mainly calculated:one is controlling relative Rayleigh number and changing the inclination angle of cavity;the other is controlling cavity tilt angle and changing relative Rayleigh number.The results showed that when the inclination angle is constant and small,the number of rolls and the absolute value of velocity increases gradually with the increase of relative Rayleigh number,and when the relative Rayleigh number is constant,the number of rolls and the absolute value of flow velocity decreases with the increase of inclination angle.关键词
Rayleigh-Bénard对流/底部均匀加热/相对瑞利数/倾斜角/对流特性/倾斜腔体Key words
Rayleigh-Bénard convection/uniform heating form below/relative Rayleigh number/inclination angle/convection characteristics/inclination cavity分类
数理科学引用本文复制引用
吴昊,宁利中,宁碧波,王新宏,田伟利,宁景昊..底部均匀加热的倾斜腔体中的对流特性[J].水资源与水工程学报,2018,29(1):182-186,5.基金项目
国家自然科学基金项目(10872164) （10872164）
陕西省重点学科建设专项(00X901) （00X901）
