大学物理 ›› 2018, Vol. 37 ›› Issue (7): 8-10.doi: 10. 16854 /j. cnki. 1000-0712. 170481

• 教学讨论 • 上一篇    下一篇

带电液滴的稳定性和临界电荷问题

于凤军   

  1. 安阳师范学院物理与电气工程学院,河南安阳455000
  • 出版日期:2018-07-20 发布日期:2018-07-20
  • 作者简介:于凤军( 1959—) ,男,河南安阳人,安阳师范学院物理与电气工程学院教授,主要从事理论物理、天体

On the stability and critical charge of charged droplets

YU Feng-jun   

  1. College of Physics and Electrical Engineering,Anyang Normal University,Anyang,Henan 455000,China
  • Online:2018-07-20 Published:2018-07-20

摘要: 针对电荷分布于液滴表面和液滴体内二种带电模型,使用能量分析法,讨论带电液滴的稳定性问题,并且推导出临界电荷的表达式.

关键词: 带电液滴, 稳定性, 临界电荷, 静电能, 表面能

Abstract: For two charged models for charge distribution in the droplet surface and in the droplet,the stability of charged droplets is discussed by using energy analysis method,and the expression of the critical charge is derived.

Key words: charged droplet, stability, critical charge, electrostatic energy, surface energy