引用本文:
谢治辉. 毛细管口气泡的曲率半径和附加压力变化[J]. 大学化学,
2018, 33(10): 110-113.
doi:
10.3866/PKU.DXHX201803044
Citation: XIE Zhihui. Evolution of Radius of Curvature and Excess Pressure of a Bubble at the End of Capillary[J]. University Chemistry, 2018, 33(10): 110-113. doi: 10.3866/PKU.DXHX201803044
Citation: XIE Zhihui. Evolution of Radius of Curvature and Excess Pressure of a Bubble at the End of Capillary[J]. University Chemistry, 2018, 33(10): 110-113. doi: 10.3866/PKU.DXHX201803044
毛细管口气泡的曲率半径和附加压力变化
English
Evolution of Radius of Curvature and Excess Pressure of a Bubble at the End of Capillary
Abstract:
The profiles of the curved surface at critical status during formation of a bubble are drawn schematically, and the dependence of the radius of curvature on time is obtained in this work. The curve is useful for the students to better understand the evolution of radius of curvature and excess pressure in the laboratory experiment of surface tension measurements by the bubble pressure method, and helpful to interpret the exercises regarding excess pressure.
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Key words:
- Capillary
- / Radius of curvature
- / Excess pressure
- / Surface tension
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