Speaker
Tindaro Cicero
(Fusion for Energy)
Description
The Normal Heat Flux (NHF) First Wall (FW) panels consist of a series of fingers, which represent the elementary plasma facing units and are designed to withstand 15,000 cycles at 2 MW/m22. The fingers are mechanically joined and supported by a back structural element called “supporting beam”. The structure of a finger is made of three different materials, stainless steel for the supporting structure, copper chromium zirconium for the heat sink and beryllium as armour material. Due to their location and to the interfaces with other systems (e.g. diagnostics, remote handling), the 215 NHF FW panels are distributed among 31 design variants. These variants can be divided in 13 main variants which are significantly different, and 18 minor variants which are small deviations from the corresponding main ones.
The aim of this paper is to present recent work aiming to achieve a global optimization of NHF FW panels design, considering also simplifications being introduced following prototype manufacturing. With this objective, CAD detailed models are created in CATIA. Finite Element (FE) simulations are done, in order to confirm that the thermo-mechanical behaviour matches closely the baseline design that was validated during the final detailed design review in 2013. This paper describes the work performed to implement these design solutions in the CATIA 3D models and the results of their assessment obtained by means of ANSYS numerical simulations.
Co-authors
Barbara Calcagno
(ITER Organization, Route de Vinon-sur-Verdon, CS 90 046, 13067 St. Paul Lez Durance Cedex, France)
Boris Bellin
(Fusion for Energy, Barcelona, Spain)
Elena Alvaro
(Fusion for Energy, Barcelona, Spain)
Gabriele D'Amico
(Fusion for Energy, Barcelona, Spain)
Georges Dellopoulos
(Fusion for Energy, Barcelona, Spain)
Luigi Reccia
(Fusion for Energy, Barcelona, Spain)
Philippe Chappuis
(ITER Organization, Route de Vinon-sur-Verdon, CS 90 046, 13067 St. Paul Lez Durance Cedex, France)
Raphael Mitteau
(ITER Organization, Route de Vinon-sur-Verdon, CS 90 046, 13067 St. Paul Lez Durance Cedex, France)
Rene Raffray
(ITER Organization, Route de Vinon-sur-Verdon, CS 90 046, 13067 St. Paul Lez Durance Cedex, France)
Sabas Cardenes
(Fusion for Energy, Barcelona, Spain)
Stefan Gicquel
(ITER Organization, Route de Vinon-sur-Verdon, CS 90 046, 13067 St. Paul Lez Durance Cedex, France)
Stefano Banetta
(Fusion for Energy, Barcelona, Spain)
Tindaro Cicero
(Fusion for Energy, Barcelona, Spain)
