2017
DOI: 10.4236/epe.2017.94b070
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The Simulation of Surface Charge Accumulation on PMMA with Different Surface Roughness in Vacuum

Abstract: The surface insulation properties of insulating material under DC voltage are closely related to the characteristics of surface charge accumulation, and the surface roughness of these materials has a direct impact on the surface charge distribution in vacuum. Therefore, it is significant to study their connection. In this paper, based on the secondary electron emission avalanche model, the surface charge accumulation on polymethyl methacrylate (PMMA) with different surface roughness was simulated by using part… Show more

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