Measurements of surface tension of water by using capillary waves

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  • F133 表面張力波による表面張力の測定

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A method to measure surface tension of water was developed by measuring the properties of capillary waves. An advantage of this method is to be able to measure surface tension without disturbances of the surface, which usually occur in standard methods of measurement of surface tensions. Capillary waves are generated by vibrating cylinder at the center of water tank. The properties of capillary waves are measured by using high speed video camera and two laser beams.

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