This is a paper of analysis and research dealing with the dynamic process and pattern offibre in an electrostatic field. The paper first discusses the distribution of the electric field in spaceand describes in detail the various manners of electrification of fibres and the changing patternbefore and after their entrance into the field. It then introduces the gravity of the fibre and theforce of the airflow transporting the fibre, and finally, a group of motion equations from thefibre are derived. Replacing the parameters in the equations with the experimental data, the nu-merical solutions can be obtained and the motion loci in different environments will be drawn bythe computer. The loci conform basically with the results obtained by stroboflash photography.
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