浮力羽流原理分析与研究进展  

Theory analysis and research progress about buoyancy plume inducted by heat source

作　　者：王怡[1] 张玺[1] 王继宏[1] 

机构地区：[1]西安建筑科技大学环境与市政工程学院

出　　处：《山西建筑》2011年第20期120-122,共3页Shanxi Architecture

基　　金：国家自然科学基金项目(项目编号:50978214);高等学校博士学科点专项科研基金(项目编号:20096120110008)

摘　　要：从解析分析、实验研究和数值模拟三个角度对羽流基本模型的研究历史、发展现状、研究前景进行了总结,重点讨论了羽流速度场和温度场的分布规律,并对影响羽流的一些重要因素如质量流率、浮力通量、卷吸系数、扩散角进行了归纳说明,以期为工业生产和环境保护提供指导。This paper summarizes the research history,development status and the research prospect of basic plume models based on three angles of analytical analysis,experimental study and numerical simulation.The rules of velocity field and temperature field distributions of plume are emphatically discussed.Some important factors such as mass flow rate,buoyancy flux,entrainment coefficient,the spread angle were also made a summary description,in order to provide guidance for industrial production and environmental protection.

关 键 词：羽流 卷吸系数 热源 粉尘 

分 类 号：TU834[建筑科学—供热、供燃气、通风及空调工程]