The effect of temperature gradient on the motion of a bubble in reduced gravity |
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Authors: | T Narasaki |
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Institution: | National Aerospace Laboratory, 1880 Jindaiji Chofu, Tokyo, Japan |
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Abstract: | The bubble motion is described as a function of thermal variation of surface tension of a bubble, temperature gradient, gravity, bubble diameter, viscosity and density. The relations among those values are shown in graphs, from which the requirements for the measurements to ascertain the velocity due to thermal variation of surface tension are made clear. According to these requirements, the experiments on the velocity of the bubble in a temperature gradient were conducted and the Marangoni effect on a bubble motion was ascertained. |
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