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Question:

Who has the introduction of electret air filter?

Who has the introduction of electret air filter?

Answer:

Electret air filter electret air filter. It belongs to the electrostatic filtration purification mechanism, the trapping force is mainly charged fibers of particles (charged or uncharged particles) of the Coulomb force and electrostatic induction force. The sixth chapter introduces the reinforced fiber filtering is the pre charge or electric field to achieve the purpose of the drag reduction efficiency, but if you move away field, keep it very short fiber charge,
Jul 4, 2017
charge residues decay very quickly. And the electret filtration material can be stored for a long term. The space charge people by applying an electric field on the dielectric material, and using physical and chemical methods to make certain of the charge or electrode for a long time resides in the electrolyte, can be made of the longevity of the electret. Although the electret operation can be permanently charged, but if in the life of charge performance without much change, still can be regarded as the electret in electret air
Jul 4, 2017
In polarized fiber filter usually with hundreds or even thousands of volts, the electric field strength can reach every few meters fiber gap} 'is even higher because of MV
Jul 4, 2017
the electrostatic repulsion of the fiber opening into mesh holes, the gap size is far greater than the particle size, when the particles through filter,
Jul 4, 2017

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