Energy 1.0 Wf8. The future of low cost fusion
ML - The way the world works - analyzing how things work - En podkast av David Nishimoto
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1. An 8X increase in field strength implies a 64 X increase in power. 2. If the coils are cooled by Liquid Nitrogen 2 or better yet Liquid Helium. 3. A polywell consists of electromagnet coils arranged in a polyhedral configuration and positively charged to 10s and low 100s of kilovolts, called MaGrid 4. Electrons are introduced outside the MaGrid and are accelerated into the MaGrid due to the electric field. 5. Within the MaGrid, the magnetic field contains most of the electrons. The electrons get trapped in the middle of the device which produces a virtual cathode, or negative potential well. 6. The polywell confines positive ions through their attraction to negatively charged electrons. The negative charges reside in the inner region of the reactor by magnetic fields. 7. The magnetic field vanishes at the center by symmetry and the magnetic flux that enters the volume through the coils. 8. Bussard claimed if superconducters were used for the coils, the only significant loss channel is through electron losses proportional to the surface area.
