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Alternative TitleExperiment for Drop-wise Condensation Heat Transfer by Infrared Thermal Imager
王许稳; 晏硕; 刘秋生; 朱志强
Source Publication空间科学学报
Other AbstractT-type thermocouples and an IR (Infrared) thermal imager are used to observe the generation, growth, coalescence and roll off from the cooling surface of the droplets. Results have been found that the surface temperature varies sharply during the drop-wise condensation, which is not the same to the literature assumption of keeping constant at saturate temperature. The temperature of droplets surface increases sharply and decreases gradually during condensation, though the condensation surface keeps at constant temperature. Through analysis, studies have been presented that the small diameter droplets are critical to the whole condensation heat transfer. The diameter of the droplet has been obtained during drop-wise condensation. The surface temperature after the droplets coalescence is different from that at the beginning without condensation and it is found that the surface is covered by precursor film after coalescence.
KeywordDrop-wise Condensation Infrared Thermal Imager Heat Flux Phase Change And Heat Transfer Experimental Investigation
Indexed ByCSCD
WOS KeywordDrop-wise condensation ; Infrared thermal imager ; Heat flux ; Phase change and heat transfer ; Experimental investigation
Funding Organization国家自然科学基金项目 ; 载人航天工程空间应用系统天舟一号货运飞船科学实验项目 ; 中国科学院战略性先导科技专项项目
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Document Type期刊论文
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GB/T 7714
王许稳,晏硕,刘秋生,等. 基于红外热像仪对珠状凝结换热过程实验[J]. 空间科学学报,2016,36(4):520-524.
APA 王许稳,晏硕,刘秋生,&朱志强.(2016).基于红外热像仪对珠状凝结换热过程实验.空间科学学报,36(4),520-524.
MLA 王许稳,et al."基于红外热像仪对珠状凝结换热过程实验".空间科学学报 36.4(2016):520-524.
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