Community Research and Development Information Service - CORDIS


The decision to install inside the JET vacuum vessel a flight tube to allow Plasma High Field side injection of frozen fuelling pellets was only viable if the majority of work could be carried out remotely. The planned operations programme would be affected by the need to limit neutron production if all the work had to be carried out manually.

The optimum route identified for the flight tube was through a main horizontal port then, following the roof of the vessel, going behind a dump plate and inner restraint ring and finally exiting at approximately the mid plane of the vessel inboard size. .

Additional information

Authors: TAIT J, JET Joint Undertaking, Abingdon (GB);BRADE R, JET Joint Undertaking, Abingdon (GB)
Bibliographic Reference: Report: JET-P(99)36, (1999), 7pp.
Availability: Available from Librarian at JET Joint Undertaking, Abingdon (GB)
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