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Inertial electrostatic confinement
Inertial electrostatic confinement is a branch of fusion research which uses an electric field to heat a plasma to fusion conditions. Electric fields can do work on charged particles (either ions or electrons), heating them to fusion conditions. This is typically done in a sphere, with material moving radially inward, but can also be done in a cylindrical or beam geometry.〔http://phoenixnuclearlabs.com/product/high-yield-neutron-generator/〕 The electric field can be generated using a wire grid or a non-neutral plasma cloud.〔("Electrostatic potential measurements and point cusp theories applied to a low beta polywell fusion device" PhD Thesis, Matthew Carr, 2013, The University of Sydney )〕
== Mechanism ==
For every volt that an ion is accelerated across, it gains 11,604 kelvins. For example, a typical magnetic confinement fusion plasma is 15 keV, or 170 megakelvin. An ion with a charge of one can reach this temperature by being accelerated across a 15,000 V drop. In fusors, the voltage drop is made with a wire cage. However high conduction losses occur in fusors because most ions fall into the cage before fusion can occur. This prevents current fusors from ever producing net power.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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