Description and formulas for calculating a spherical ring
A ball ring is a solid ball that contains a cylindrical hole. It is bounded on the outside by a symmetrical spherical layer and on the inside by the lateral surface of a straight circular cylinder.
The volume only depends on the height L of the ball ring and not from the sphere radius R. This is plausible because the spherical ring becomes thinner as the spherical radius increases.
Spherical ring volume
Cylinder height
Cylinder volume
Sphere radius
Cylinder radius
Spherical ring surface
(inside + outside)
You can find a calculator for calculating a spherical ring here
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