| 涡旋微槽内的单相强迫对流换热性能实验 |
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| 引用本文： | 席有民,余建祖,谢永奇,高红霞.涡旋微槽内的单相强迫对流换热性能实验[J].北京航空航天大学学报,2009,35(3):288-291. |
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| 作者姓名： | 席有民 余建祖 谢永奇 高红霞 |
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| 作者单位： | 北京航空航天大学,航空科学与工程学院,北京,100191;北京航空航天大学,航空科学与工程学院,北京,100191;北京航空航天大学,航空科学与工程学院,北京,100191;北京航空航天大学,航空科学与工程学院,北京,100191 |
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| 基金项目： | 国家自然科学基金资助项目(50676007) |
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| 摘 要： | 以体积浓度30%的乙二醇水溶液为工质,采用定热流加热方式,对槽宽0.3mm的4个深度不同的矩形截面涡旋微槽试件的换热性能进行了实验研究.试件所用材料为紫铜,每个试件上分布6个涡旋微槽.实验测量了不同工质流量,不同加热功率下涡旋微槽的换热性能,分析了微槽结构、工质流速对其换热性能的影响,拟合得到相应的换热实验关联式.与平直微槽的换热性能进行了对比,结果表明涡旋微槽散热器的换热性能优于平直微槽散热器.
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| 关 键 词： | 涡旋 微槽 传热 |
| 收稿时间： | 2008-03-19 |
Single-phase forced convective heat transfer in swirl microchannels |
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| Xi Youmin,Yu Jianzu,Xie Yongqi,Gao Hongxia.Single-phase forced convective heat transfer in swirl microchannels[J].Journal of Beijing University of Aeronautics and Astronautics,2009,35(3):288-291. |
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| Authors: | Xi Youmin Yu Jianzu Xie Yongqi Gao Hongxia |
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| Institution: | School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China |
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| Abstract: | The experiment of heat transfer in four swirl microchannel test pieces was conducted with ethylene glycol solution of 30%(volume concentration).The test pieces' cross section was rectangular with width 0.3mm and different depth.Constant heat flux was adopted as heating manner.Each test piece was made of copper and contained six microchannels.The heat transfer characteristic of swirl microchannel under the different liquid flux and the heating power was investigated.The influence of microchannel structure an... |
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| Keywords: | swirl microchannel heat transfer |
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