The beam driven plasma neutralizer

The beam driven plasma neutralizer

The beam driven plasma neutralizer 150 150 UKAEA Opendata

The beam driven plasma neutralizer

The improvement of the efficiency of neutral beam systems to be compatible with the economic requirements of fusion power plants is a key theme in the European research programme. A novel plasma neutralizer, in which the negative ion beam itself is the source of the plasma, is described. Its success depends on the confinement of the free electrons generated by stripping from the beam and their generation of additional plasma. The device requires no additional power in contrast to the photoneutralizer, presently the main device of research interest. Although the efficiency of the plasma device is not as high as the photoneutralizer it is essentially of a low technological risk, inherently reliable and will not require a significant R&D programme to demonstrate.

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26/11/2013