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Proving DRACO will deliver
The United States is now closer than it has been in over five decades to launching the first nuclear thermal rocket into space, thanks to DRACO—the Demonstration Rocket for Agile Cislunar Orbit.
M. Huguet, the JET Team
Fusion Science and Technology | Volume 19 | Number 3 | May 1991 | Pages 1237-1246
Result of Large Experiment and Plasma Engineering | doi.org/10.13182/FST91-A29512
Articles are hosted by Taylor and Francis Online.
The salient feature of 1989–1990 operation at JET has been the use of beryllium as a first wall material. Technical and safety aspects of JET operation with beryllium are described. The use of beryllium has substantially improved the plasma purity and as a consequence a record fusion product (nD Ti τe) of 9 × 1020 m−3.keV.s has been achieved. Impurity influxes however prevent the achievement of higher plasma parameters and reaching steady state conditions. A new divertor configuration has been proposed for JET with a view to study impurity control, fuelling and exhaust, in conditions relevant for the next generation of machines. The latest design features a multi-coil configuration which gives substantive operational flexibility. A technical description of the major components of the divertor including the internal coils, the target plates the pumping and fuelling systems is given.