What if: helical outer electrode

[rhyshorner]

Hello all,
As I was learning about this DPF method of fusion I came across a thought, or two. To make the plasmoid more dense with the magnetic field.

The idea is to make the outer electrodes helical instead of straight. (kinda like a twisted birdcage)

So as the filaments of plasma are forming across the inner and outer electrodes they already have some angular momentum and as the filaments converge they wont loose as much energy twisting in on themselves as they are already moving in that direction, making a tighter, denser plasmoid.

Thoughts?

Further thought.
Would the shape of the cross section of the outer electrodes effect the way the filaments of plasma form. Example, would a triangular cross section with the point facing the inner electrode give the filaments a thinner, more defined shape? or an oval cross section give a wider, flatter filament or plasma?

Would twisting the individual outer electrodes (while keep them straight) give the crystal lattice of the outer electrodes a helical structure.
And does anyone think this would also effect the angular momentum, magnetic field or both or the current direction.

Thanks and Regards,
Rhys Horner

[Francisl]

That concept has been discussed in the past. Use the search term “electrode”. It is another variable that can be explored once the limits of the current structure are well known.

[Ivy Matt]

Isn’t that what the axial field coil is for?

[Francisl]

Yes. It is easier to adjust the current in the axial field coil than to change the shape of the electrodes.

[Author]

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