| MVR硫酸钠结晶系统中宽通道板式换热器的堵塞特性与传热流动特性耦合分析 |
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| 引用本文： | 姚君磊,韩东,叶莉,顾昂.MVR硫酸钠结晶系统中宽通道板式换热器的堵塞特性与传热流动特性耦合分析[J].节能技术,2011,29(6):510-514. |
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| 作者姓名： | 姚君磊 韩东 叶莉 顾昂 |
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| 作者单位： | 南京航空航天大学能源与动力学院,江苏 南京,210016 |
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| 基金项目： | 江苏省科技支撑计划重点项目(BE2010192) |
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| 摘 要： | MVR系统中WPHE蒸发结晶过程中液固两相流常涉及堵塞影响流动传热的现象.本文以MVR硫酸钠结晶系统中WPHE为研究对象,在对不同流速且未堵塞条件下的传热流动特性进行实验分析并验证.然后对影响堵塞与传热流动特性的关键参数:如硫酸钠溶液浓度、晶浆液固比、板间距和流速等影响进行分析.研究结果表明:随着液固两相流中固相体积分...
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| 关 键 词： | 宽通道板式换热器 液固两相流 蒸发结晶 晶浆液固比 |
The Blocking And Heat Transfer-Flow Characteristics Coupling Analysis In Plate Heat Exchanger For MVR Sodium Sulfate Crystallization System |
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| YAO Jun-lei,HAN Dong,YE Li,GU Ang.The Blocking And Heat Transfer-Flow Characteristics Coupling Analysis In Plate Heat Exchanger For MVR Sodium Sulfate Crystallization System[J].Energy Conservation Technology,2011,29(6):510-514. |
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| Authors: | YAO Jun-lei HAN Dong YE Li GU Ang |
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| Affiliation: | YAO Jun-lei,HAN Dong,YE Li,GU Ang(College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | In the present study,the liquid-solid two phase flow characteristics inside a wide gap plate heat exchanger are experimentally investigated.Flow and heat transfer mechanism are analyzed at different concentration of sodium sulfate solution,circulation,solid-to-liquid ratio and plate spacing through comparing the results between ASPEN HTFS numerical simulation and experimental study.Based on the research data,heat transfer efficiency of the wide gap plate heat exchanger get worse with the solid liquid ratio ... |
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| Keywords: | wide gap plate heat exchanger liquid-solid two phase flow crystallization solid-to-liquid ratio |
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