| 电场作用下单气泡行为的数值模拟 | |
| 彭耀 ; 陈凤 ; 宋耀祖 ; 陈民 ; PENG Yao ; CHEN Feng ; SONG Yaozu ; CHEN Min | |
| 2010-05-14 ; 2010-05-14 | |
| 关键词 | 多相流 电场 气泡行为 数值模拟 multiphase flow DC electric field bubble behavior numerical simulation O359 |
| 其他题名 | Numerical simulations of single bubble behavior in DC electric fields |
| 中文摘要 | 为了解电场强化沸腾换热的机理,分析了单气泡在电场作用下的行为特点。通过求解不可压缩流体的连续性方程,加入电场力的动量方程和VOF(volume of fluid)方程,得到了单气泡在电场下从壁面脱离的过程。结果发现,气泡在电场下脱离时间变短,并沿着电场方向伸长。气泡内部流动加剧,形成多个涡。结果表明,电场作用下气泡的行为特点产生显著的变化。; The analysis of single bubble behavior in electric fields will improve understanding of the electric enhancement mechanism in boiling heat transfer.The continuity equation,the momentum equations with the electric force term and VOF equation for incompressible flow were numerically solved to investigate the bubble behavior in a DC electric field.The results show that the bubble is elongated along the electric field direction and that the bubble departure time decreases in the electric field.The flow inside the bubble intensifies and the number of vortexes increases with increasing electric field strength.The bubble behavior in an electric field has notable changes. |
| 语种 | 中文 ; 中文 |
| 内容类型 | 期刊论文 |
| 源URL | [http://hdl.handle.net/123456789/33530]  |
| 专题 | 清华大学 |
| 推荐引用方式 GB/T 7714 | 彭耀,陈凤,宋耀祖,等. 电场作用下单气泡行为的数值模拟[J],2010, 2010. |
| APA | 彭耀.,陈凤.,宋耀祖.,陈民.,PENG Yao.,...&CHEN Min.(2010).电场作用下单气泡行为的数值模拟.. |
| MLA | 彭耀,et al."电场作用下单气泡行为的数值模拟".(2010). |
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