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Sellafield awards $6B ‘high hazard risk reduction’ framework contract
Sellafield Ltd., the site license company overseeing the decommissioning of the United Kingdom’s Sellafield nuclear site in Cumbria, England, has awarded a 15-year framework contract worth up to £4.6 billion ($6 billion) to support “high hazard risk reduction programs” at the site.
Tsutomu Takahashi, Kazuyuki Yamada, Yasuyuki Nogi
Fusion Science and Technology | Volume 27 | Number 3 | April 1995 | Pages 353-356
Compact Torus (Field-Reversed Configuration, Spheromak) Concepts | doi.org/10.13182/FST95-A11947104
Articles are hosted by Taylor and Francis Online.
Equilibrium shape of a field-reversed-configuration plasma is controlled to maximize its poloidal flux. Plasma elongation is changed from 7.5 to 4.5 by adding a local field to the plasma due to the introduction of a control coil. The control field strength is about 10% of the confinement field. The plasma shape modifies while keeping its volume and the product of its poloidal flux and elongation constant. The poloidal flux is twice that of the uncontrolled plasma. Its flux confinement time also improved.
