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Abstract

The annual report for 1985 of the JET joint undertaking, well presented and intended to appeal to the general reader as well, gives, among other aspects of JET, an extensive summary of the results and technical achievements: Machine operations with for the first time additional heating from two RF antennae, installation of further components including a third RF antenna, final preparations for the first neutral injection system. The total number of Tokamak pulses with a plasma current in excess of 1 MA was 1446; many plasma pulses were produced with the maximum rated impulse of 3.45 T for the toroidal magnetic field; a plasma current of 5 MA has been held at this level for one second. At present, machine operations are restricted to plasma elongations of 1.4; new vessel supports, when completed should enable this restriction to be removed. The additional heating used during 1985 employed the technique of ion cyclotron resonance heating; by the end of the year a record input power of 6 MW had been achieved with 15 MJ of energy coupled to the plasma. In all, in terms of plasma density, temperature and confinement, JET has now reached a point where each of these parameters is within a factor of three of those needed for a reactor.

Additional information

Authors: JET JET JOINT UNDERTAKING, ABINGDON (UK), JET JOINT UNDERTAKING, ABINGDON (UK)
Bibliographic Reference: WRITE TO THE INFORMATION OFFICER, JET JOINT UNDERTAKING, ABINGDON, OXON, OX14 3EA (UK), MENTIONING REPORT EUR 10615 EN, 1986 (FREE OF CHARGE)
Availability: Can be ordered online
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