摘要
根据牛顿运动定律推导了小气泡在水中浮升过程中的速度和位置坐标的表达式;基于理想气体物态方程和球形液面的压强差公式推导了小气泡在水中浮升过程中的半径变化率;考虑小气泡在水中浮升过程的气泡半径和速度的变化,用计算机模拟了不同初始条件下的气泡群在浮升过程中半径和位置随时间的变化规律.
The velocity and locate formula of a rising small bubble in the water are derived from the second law of Newton. The variation rate of radius of the rising bubbles in the water is obtained by using the state equation of ideal gas and the pressure difference formulas of the spherical liquid surface. Taking into account the varying regularity of the radius and locate of bubbles with time in the rising process, we simulate the rising process of small bubble under difierent incipient conditions by using computer.
出处
《大学物理》
北大核心
2008年第11期14-17,共4页
College Physics
基金
武汉科技大学校级研究资助项目(2005050)
关键词
气泡
速度
半径变化率
理想气体物态方程
压强
bubble
velocity
varying-rate of radius
the state equation of ideal gas
pressure
