Abstract
Through previous introductions, we have already got the idea that the process of contact and separation between any two objects will cause static electricity. Even if these two objects are made of the same material, due to the different conditions of their surfaces (such as surface contamination, corrosion and roughness), they will possess different work function, which will still make them produce static electricity during the process of contact and separation. Besides, through static induction or static polarization, discharged objects can be electrified. This phenomenon of objects being charged of static electricity could happen among solids, liquids, gases and powders. Therefore, the generation of static electricity is a very common natural phenomenon.
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Reference
Zheng, W., Y. Hu, C. Liu, X. Wei, and L. Hao. 2013. The simulation of electrostatics elimination effect influenced by the cross-section shape of discharge needles. Journal of Physics: Conference Series, IOP Publishing 418 (1): 012017.
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Gu, Z., Wei, W. (2017). Electrostatic Utilization and Protection in Multiphase Flows. In: Electrification of Particulates in Industrial and Natural Multiphase flows. Springer, Singapore. https://doi.org/10.1007/978-981-10-3026-0_8
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DOI: https://doi.org/10.1007/978-981-10-3026-0_8
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