刘达蔚

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讲师

主要任职:校团委副书记

性别:男

毕业院校:大连理工大学

学位:硕士

所在单位:校团委

电子邮箱:liudawei@dlut.edu.cn

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The analysis of influence factors on sprinkle density of falling film in horizontal tube evaporator for seawater desalination

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论文类型:会议论文

发表时间:2011-03-25

收录刊物:EI、Scopus

摘要:The technology of horizontal-tube falling film evaporation is widely used in low temperature multi-effect distillation evaporators. The heat transfer coefficient of it depends on many factors, such as steam velocity, sprinkle density, evaporation temperature, etc. In the engineering design of evaporator, much smaller sprinkle density may led to "dry points on tube", while much bigger sprinkle density may destroy thin film evaporation. Both reduce the heat transfer coefficient and do great harm to the safety of heat transfer at the worst condition. So, appropriate value of sprinkle density is very important to guarantee the heat transfer coefficient. Many influence factors on sprinkle density is analyzed based on low temperature multi-effect desalination system with parallel flow pattern, and the conclusion of which has great guiding significance to the engineering practice. ? 2011 IEEE.