The unipolar generator uses Lorentz force to separate positive and negative charges in rotating metal disk. The formula is known:

where q is charge, V is Velocity and H is intensity of magnetic field.

The approach of N-machine research groups to question of increasing of power is conventional: to increase the velocity V or intensity H. For example, Dr. Inomata, Japan, uses magnets with superconducting coils to increase the strength of the magnetic field through the disk. But it is not the optimal way. The density of free electrons in a copper disk is the same in this case.

It is possible to use another approach. Total force (and power in load) is proportional to the density ot rotating plasma:

where N is the number of particles moving in field H.

In some cold fusion systems this density of protons in cathode is about
10 ^{29} (m^{-1}) that correspond to enormous N in above
formula. The utilization of such type of cathode that is saturated by protons
in scheme of unipolar generator as rotating disk allow to create new power
possibilities for such sort free energy systems.

Note that in this case we will work with rotating plasma and this technology
is similar to the idea of magnetohydrodynamical generator.

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