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How to plan the powerful magnet magnetic circuit

by:Newland     2020-04-27
Powerful magnet magnetic circuit planning a task, is marching magnetic air gap flux density as much as possible. Travel general current density match circuit is simple, need to change wire cross-sectional area. The smaller the cross section, the higher the current density, magnetic circuit is not so lunch, in addition to the rare condition, the lines of magnetic force no matter cannot penetrate. Just magnetizer and without the magnetic conductor ( At least not at room temperature, it was just a matter of superconducting material in the superconducting state is unique magnetic) Changes, but the application of magnetic circuit how much appearance, proper placement of permanent magnets and magnetic conductor, is still able to travel work air gap flux density, travel homework air-gap magnetic flux density of the criterion is the same, opposites attract. Assembled magnetic method mainly. Changes of the magnetic circuit section, to prevent the lines of magnetic force each other aerial magnetic pole of permanent magnet area, regular contact between the length and crack magnet is cylindrical, circular, its diameter, thickness and the deposit must contact between magnetic function, permanent magnet magnetization is a volume flow rate, has talked about before, and the magnetic flux density is related to area. Is an area of quantity, Φ for magnetic flux, the unit is webber ( Wb) Lou for flux through the cross-sectional area, follow the travel of the permanent magnet coercive force data, reply she conductivity mu land, near the air permeability I. Such reluctance of the permanent magnet itself is not negligible, so that the length of the permanent magnet in magnetizing direction shoulds not be too long. Previous page: to understand the shape of the powder under strong magnetic iron remover page: show you the magnet
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