1 phase Variable Reluctance motor physics help

kriek

Hello,

I'm making a 1 phase variable reluctance actuator for a valve. see the picture attached of what it looks like. it consists of 2 windings wrapped around iron cores as the stator and a steel armature piece in the middle as the rotor. I was wondering how the magnetic field generated by the windings creates torque on the rotor? can it be explained with the lorentz force law? Any other information or thoughts on the physics involved would be helpful.
thanks.

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