| 竖直环形通道内液氮流动沸腾的MUSIG模型分析Part 1: 轴向气泡直径和界面面积浓度的预测 |
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| 引用本文： | 邵雪锋,李祥东,汪荣顺. 竖直环形通道内液氮流动沸腾的MUSIG模型分析Part 1: 轴向气泡直径和界面面积浓度的预测[J]. 低温与超导, 2009, 37(5) |
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| 作者姓名： | 邵雪锋 李祥东 汪荣顺 |
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| 作者单位： | 上海交通大学机械与动力工程学院,上海,200240;上海交通大学机械与动力工程学院,上海,200240;上海交通大学机械与动力工程学院,上海,200240 |
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| 基金项目： | 国家自然科学基金，上海市科委科研创新行动计划 |
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| 摘 要： | 近年来群体平衡模型受到了极大的关注。MUSIG模型(多尺寸组模型),为群体平衡模型和双流体模型的结合提供了一个框架。文中介绍了MUSIG模型,并采用MUSIG模型分析了环形通道中的液氮流动沸腾。详细分析了不同壁面热流量、液体入口速度和过冷度时通道内气泡相界面面积、当地气泡直径、空泡系数等参数沿轴向的分布。
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| 关 键 词： | 液氮 群体平衡模型 MUSIG模型 竖直环形管路 |
MUSIG model analysis of flow boiling of liquid nitrogen in vertical annular pipe Part 1:The prediction of axial distribution of mean Sauter diameter and interfacial area concentration |
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| Shao Xuefeng,Li Xiangdong,Wang Rongshun. MUSIG model analysis of flow boiling of liquid nitrogen in vertical annular pipe Part 1:The prediction of axial distribution of mean Sauter diameter and interfacial area concentration[J]. Cryogenics and Superconductivity, 2009, 37(5) |
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| Authors: | Shao Xuefeng Li Xiangdong Wang Rongshun |
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| Affiliation: | School of Mechanical Engineering;Shanghai Jiaotong University;Shanghai 200240;China |
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| Abstract: | Population balance modeling has received an unprecedented amount of attention during the past years.MUSIG(Mutltiple-Size-Group) model supplys a frame to incorporate the population balance model and two fluid model.This paper introduces the MUSIG model,and this model is used to analyze flow boiling of nitrogen in a vertical annular channel.The axial distribution of the mean interfacial area concentration,Sauter diameter and void fraction with different liquid inlet velocity,heat flux and liquid inlet subcool... |
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| Keywords: | Liquid nitrogen Population balance model MUSIG model Vertical annular pipe |
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