Academic Training Lecture Regular Programme

The ITER Project - Procurement and Quality Assurance issues for ITER magnets (5/5)

by Bruzzone (CRPP-EPFL, Zurich, CH)

Europe/Zurich
500/1-001 - Main Auditorium (CERN)

500/1-001 - Main Auditorium

CERN

60
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Description
The first lecture reminds us of the ITER challenges, presents hard engineering problems, typically due to mechanical forces and thermal loads and identifies where the physics uncertainties play a significant role in the engineering requirements. The second lecture presents soft engineering problems of measuring the plasma parameters, feedback control of the plasma and handling the physics data flow and slow controls data flow from a large experiment like ITER. The last three lectures focus on superconductors for fusion. The third lecture reviews the design criteria and manufacturing methods for 6 milestone-conductors of large fusion devices (T-7, T-15, Tore Supra, LHD, W-7X, ITER). The evolution of the designer approach and the available technologies are critically discussed. The fourth lecture is devoted to the issue of performance prediction, from a superconducting wire to a large size conductor. The role of scaling laws, self-field, current distribution, voltage-current characteristic and transposition are highlighted from a practical point of view. The final lecture presents the scenario of procurement, acceptance and quality assurance for the ITER superconducting magnets and components. The issues of non-conformities, delivery delays, reduced performance and technical responsibility are considered from the point of view of the project managers and supplier teams.
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