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ABSTRACT
Coffee-spilling is a common phenomenon,but it is still a problem that to understand its essence scientifically.This problem was first proposed by Krechetnikov and Hans Mayer.They observed all kinds of people who walking with coffee,and the subject was recorded and investigated.After they published their results,the other scientists realized that the study of this phenomenon may bring some inspiration to scientists who was doing research on the technology of spill-resistant .It is different from the study of Krechetnikov and Hans Mayer¡¯s,I focused on viscosity and surface tension instead instead of the motion frequency . Doing simulation and numerical calculating for liquid that separated into 8 groups which was based on different viscosity and 6 groups which was based on different surface tension in CFD software by utilizing knowledge of CFD.

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happyÎÒÊÇJJ: ½ð±Ò+66, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2016-06-11 00:13:46
Experiment focusing on liquid simplified Man-walking model and cup-moving model, investigating the relation of spilling situation, viscosity and surface tension ender the critical condition. As to low Reynolds number and similar criticals condition, moving adaptability created in the research process perhaps got the worst in the vicinity of a Reynolds number, which would make liquid spill most likely.
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