Magnetic Flux Density vs Magnet Geometry

  • #1
2Magnets.jpg

Gentlemen, the the image shows 2 N48 neodymium magnets of the same volume 54 in2. On several website I can use magnetic flux density calculators to get the Br of the rectangular magnetic but haven't found one that calculates the value of the arc magnet. The Br value of the rectangular magnet is 4010 gauss. Is the gauss value of the arc magnet the same as the rectangular magnet? Any help would be greatly appreciated. Thanks
 
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Answers and Replies

  • #2
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I'm not sure what you mean by gauss value, and I think to have the answer to the B-field from these magnets, we need to know more than just their volumes.
 
  • #3
The unit of measure of the B field is guass or tesla. With a flux density calculator you plug in the length, width, and thickness, plus the relative permeability of the material you are using and the value returned is in gauss or tesla, the magnitude of the b field. I can't find any free calculators that will calculate the magnitude of the b field of an arc magnet. I was wondering if anybody knows if the shape of the magnet is important in determining the magnitude of the b field or if 2 magnets of different shapes but the same volume would have the same magnitude.
 

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