Aspect-ratio dependent oscillatory thermocapillary convection in the floating half zone |
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| Authors: | AA Yan LI Kai CAO ZhongHua & HU WenRui Key Laboratory of Microgravity |
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| Institution: | AA Yan,LI Kai1,2,CAO ZhongHua1,2 & HU WenRui1,2 1 Key Laboratory of Microgravity,Institute of Mechanics,Chinese Academy of Sciences,Beijing 100190,2 China and National Microgravity Laboratory,China |
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| Abstract: | The dependency of the critical Marangoni number on the geometrical aspect ratio of the floating half zone is essential to predict the onset of oscillatory thermocapillary convection.The experimental studies in the microgravity conditions on floating half zones of several centimeters in diameter have predicted that the critical Marangoni number increases with the increasing aspect ratio,and the terrestrial experimental studies have predicted the contradictory conclusion for floating half zones of several mil... |
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| Keywords: | thermocapillary convection flow instability aspect ratio |
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