3. Electrical properties
Characterizing the electrical properties of powdered materials is an important aspect of processes such as separation, pulverization and electrostatic dedusting. To understand the phenomena and electrostatic behavior of powders during industrial processing, it is necessary to determine their electrical characteristics. Here, we present two main electrical properties that can be used to qualify the granular medium under study: electrical resistivity and permittivity.
3.1 Dielectric constant or permittivity
A dielectric is characterized by its permittivity, e. This property represents the ability of a material to polarize under the influence of an electric field. In particular, it governs the maximum amount of charge that can...
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Electrical properties
Measurement of electrostatic charge and charge distribution
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