From 4ca0b5b9bf564eb15bf058cbd28000b40824208b Mon Sep 17 00:00:00 2001 From: David Preiss <davepreiss@gmail.com> Date: Thu, 31 Mar 2022 17:08:38 +0000 Subject: [PATCH] Update README.md --- README.md | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/README.md b/README.md index 1e104cd..c95b68c 100644 --- a/README.md +++ b/README.md @@ -4,7 +4,7 @@ This project attempt to answer some non-intuitive motor design questions through  -## 1) What are the tradeoffs of using a larger magnet which provides more H, but increases the reluctance due to magnetic material's low permeability?** +## 1) What are the tradeoffs of using a larger magnet which provides more H, but increases the reluctance due to magnetic material's low permeability? * Model an "infinitely long" 5mm diameter cylinder magnet and show diminishing returns for flux at the front of the magnet. * Then model a coil with a yoke opposing it and increase the distance of the yoke to show diminishing returns there. @@ -20,9 +20,6 @@ This plot jumps right to the conclusion and shows shear force with increasing ma * Having a larger diameter coil increases the resistance of the winding, so perhaps the tradeoff is that we are creating a lot of flux that doesn't get used or gets canceled because there are more windings in the way. * If you have a small steel core at the center of a large diameter of windings are you being punished? - -# Winding Geometry Questions - ## 3) What is the effect of filling an air core winding to the core with windings? Diminishing returns? Higher peak flux at center but lower exterior? Would an optimal coil have the smallest possible wall thickness?** * This would be a good one for FEA generally, but there's difficulty in that the ID increasing must effectively mean fewer coils, so it's necessary to compensate for both. -- GitLab