| 管排数对三角小翼式涡产生器式管片换热器换热影响的数值分析 |
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| 引用本文： | 胡万玲,管勇. 管排数对三角小翼式涡产生器式管片换热器换热影响的数值分析[J]. 工业加热, 2007, 36(6): 45-47 |
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| 作者姓名： | 胡万玲 管勇 |
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| 作者单位： | 兰州交通大学,环境与市政工程学院,甘肃,兰州,730070 |
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| 摘 要： | 通过数值模拟的方法,研究了三角小翼式涡产生器式错排圆管管片换热板芯在1,2,3,4四种不同管排数下的局部对流换热系数以及平均对流换热系数、阻力系数,得出管排数对换热与阻力性能的影响规律,为进一步提高换热器换热性能提供了理论依据。
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| 关 键 词： | 换热器 三角小翼式涡产生器 管排数 数值模拟 к-ε紊流模型 |
| 文章编号： | 1002-1639（2007）06-0045-03 |
| 收稿时间： | 2007-07-26 |
| 修稿时间： | 2007-08-14 |
Numerical Analysis on Heat Transfer Enhancement of Fin-Tube Heat Exchanger with the Delta Winglet Pair Vortex Generators Results from the Variation of Number of Rows |
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| HU Wan-ling,GUAN Yong. Numerical Analysis on Heat Transfer Enhancement of Fin-Tube Heat Exchanger with the Delta Winglet Pair Vortex Generators Results from the Variation of Number of Rows[J]. Industrial Heating, 2007, 36(6): 45-47 |
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| Authors: | HU Wan-ling GUAN Yong |
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| Abstract: | A numerical study has been carried out to investigate the local heat transfer coefficients and average surface convective behavior and pressure drop characteristics of Staggered Circular Tube-Fin Heat Transfer with the WVG under the condition of the variation of the tube rows from 1 to 4,the heat transfer and pressure drop characteristics were carried out with the different tube rows,which provided the evidence for enhancing heat transfer. |
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| Keywords: | heat exchanger Delta Winglet Pair vortex generators number of rows numerical analogy -turbulence model |
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