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Alternative TitleThermodynamics of Flashing/Freezing Process of a Droplet in Vacuum
赵凯璇; 赵建福; 陈淑玲; 杜王芳
Source Publication空间科学学报
Other AbstractTo reveal the mechanism of the flashing/freezing process of a liquid droplet in vacuum, a new model of heat and mass transfer in the flashing/freezing process was established using a quasi-equilibrium process of mass and heat transfer.Based on the numerical results of the variation of droplet’s size and temperature,influences of four factors,namely ambient pressure,ambient temperature, initial radius and temperature of the droplet,on the variation of pre-cooling time in the flashing sub-process,freezing time in the fast freezing sub-process and the final temperature of the process were analyzed in detail.Compared with the experimental data,the present model can predict the basic features of the process with a good reliability.The ambient pressure is the dominating factor determining the major features and the final temperature of the process.The initial temperature affects the flashing rate,while initial radius influences the pre-cooling time.The influence of the ambient temperature is too slight that can be neglectable. 更多
Keyword闪蒸 冻结 液滴
Subject Area力学
Indexed ByCSCD
Citation statistics
Cited Times:6[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author赵凯璇
Recommended Citation
GB/T 7714
赵凯璇,赵建福,陈淑玲,等. 液滴真空闪蒸/冻结过程的热动力学研究[J]. 空间科学学报,2011,31(1):57-62.
APA 赵凯璇,赵建福,陈淑玲,&杜王芳.(2011).液滴真空闪蒸/冻结过程的热动力学研究.空间科学学报,31(1),57-62.
MLA 赵凯璇,et al."液滴真空闪蒸/冻结过程的热动力学研究".空间科学学报 31.1(2011):57-62.
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