| 三相流闭式重力热管的强化传热 |
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| 引用本文： | 徐晓萍,史金涛,姜峰,李修伦.三相流闭式重力热管的强化传热[J].化学工程,2011,39(6):16-19,28. |
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| 作者姓名： | 徐晓萍 史金涛 姜峰 李修伦 |
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| 作者单位： | 1. 天津农学院基础科学系,天津300384;天津大学化工学院,天津300072
2. 天津大学化工学院,天津,300072 |
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| 摘 要： | 将三相流强化传热技术应用于重力热管,构建了三相流闭式重力热管系统.以水为工质,固含率(体积分数)、固体颗粒的种类、大小及加热功率等作为参数,研究并分析了三相流重力热管的传热性能.结果表明:在一定的条件下,三相流闭式重力热管具有一定的强化传热效果.随着加热功率的增加,等效对流传热系数增大.加入φ5.5 mm的聚甲醛颗粒时...
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| 关 键 词： | 三相流 重力热管 强化传热 |
Heat transfer enhancement in three-phase flow closed gravity heat pipe |
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| XU Xiao-ping,SHI Jin-tao,JIANG Feng,LI Xiu-lun.Heat transfer enhancement in three-phase flow closed gravity heat pipe[J].Chemical Engineering,2011,39(6):16-19,28. |
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| Authors: | XU Xiao-ping SHI Jin-tao JIANG Feng LI Xiu-lun |
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| Affiliation: | XU Xiao-ping1,2,SHI Jin-tao2,JIANG Feng2,LI Xiu-lun2(1.Department of Basic Courses,Tianjin Agricultural University,Tianjin 300384,China,2.School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China) |
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| Abstract: | A three-phase flow heat transfer enhancement technique was applied to closed gravity heat pipe,and a set of three-phase flow gravity heat pipe system was set up.With water as working fluid and the solid holdup(volume fraction),kinds of solid particles,the size of solid,and the heating power as operating parameters,the heat transfer performance of three-phase flow gravity heat pipe was investigated and analyzed.The equivalent convective heat transfer coefficient was used to assess the heat transfer performan... |
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| Keywords: | three-phase flow gravity heat pipe heat transfer enhancement |
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