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Thermocapillary migrations of drops and bubbles
Yin ZH(尹兆华); Wu ZB(武作兵); Hu WR(胡文瑞); Yin ZH, Wu ZB,Hu WR
Source PublicationAdvances in Microgravity Sciences
AbstractThe transport phenomenon of drops or bubbles is a very important topic in fundamental hydrodynamics research and practical applications such as material processing and the chemical engineering. In microgravity environment, if drops or bubbles stay in a continuous phase with non-uniform temperature ¯eld, they will start to move as a result of the variance of the interface tension. This kind of movement is called the Marangoni migration. This review tries to sum up the main results in this ¯eld on theoretical analysis, numerical simulations and experiments. So far the theoretical analysis is still limited to the linear or weak nonlinear steady questions, while the current numerical simulations can already obtain the time- dependent process of the bubble/drop migration when the e®ect of heat convection is small. For strong heat convection problem, or when the Marangoni number is bigger than 100, no numerical result is in consistence with those of experiments so far. Some of the lastest numerical results are shown when heat convection is strong, and the main di®erence between strong and weak heat convection is analyzed. Finally, we also discuss the main unresolved problems in this ¯eld and some possible directions in the future.
Subject Area流体力学
Indexed By其他
Document Type期刊论文
Corresponding AuthorYin ZH, Wu ZB,Hu WR
Recommended Citation
GB/T 7714
Yin ZH,Wu ZB,Hu WR,et al. Thermocapillary migrations of drops and bubbles[J]. Advances in Microgravity Sciences,2009(专著中的一章):35-52.
APA 尹兆华,武作兵,胡文瑞,&Yin ZH, Wu ZB,Hu WR.(2009).Thermocapillary migrations of drops and bubbles.Advances in Microgravity Sciences(专著中的一章),35-52.
MLA 尹兆华,et al."Thermocapillary migrations of drops and bubbles".Advances in Microgravity Sciences .专著中的一章(2009):35-52.
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