| 低温液体流动沸腾数值计算中的相间传热模型 |
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| 引用本文： | 李祥东,汪荣顺,顾安忠.低温液体流动沸腾数值计算中的相间传热模型[J].低温与超导,2005,33(2):26-29. |
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| 作者姓名： | 李祥东 汪荣顺 顾安忠 |
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| 作者单位： | 上海交通大学制冷与低温工程研究所,上海,200030 |
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| 摘 要： | 采用双流体模型预测了液氮在垂直管内的流动沸腾过程,着重考察和评价了五个常用的相间传热模型对数值计算结果的影响,找出了最优的相间传热模型;同时,研究还发现相间传热模型对流动压降的预测并无明显影响.
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| 关 键 词： | 低温液体 流动沸腾 双流体模型 相间传热 模型评价 |
| 修稿时间： | 2004年11月5日 |
Inter-phase Heat Transfer Models in Numerical Simulation of Boiling Flow of Cryogenic Liquids |
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| Li Xiangdong,WANG Rongshun,Gu Anzhong.Inter-phase Heat Transfer Models in Numerical Simulation of Boiling Flow of Cryogenic Liquids[J].Cryogenics and Superconductivity,2005,33(2):26-29. |
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| Authors: | Li Xiangdong WANG Rongshun Gu Anzhong |
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| Abstract: | The boiling flow of nitrogen in a vertical tube is simulated using a two-fluid model. The emphasis is put on evaluating 5 well-known interfacial heat transfer models and the best model suitable to analyzing cryogenic fluids is selected. At the same time, it is found that the pressure drop prediction for a boiling flow is almost independent of the interfacial heat transfer models. |
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| Keywords: | Cryogenic liquids Boiling flow Two-fluid model Interfacial heat transfer Model evaluation |
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