The FAST proposal aims to support ITER operations and to tackle the power exhaust problem in view of DEMO. An new extreme high current (10MA, q95~2.3) scenario has been designed to test the possibility of actively controlling MHD modes linked with the low q95 value. The MHD stability analysis performed has shown the possibility of using active coils to control the onset of the most important modes and to avoid the related possible disruption. In the Reference scenario (6.5MA) it has been studied the possibility of realizing a Snow Flake configuration, by using the present poloidal system (coils plus power supplies), with a consequent impressive reduction of the foreseen power flow on the divertor plates.

“Snow Flakes” Divertor and 10 MA Scenarios in FAST

MARTIN, PIERO;
2012

Abstract

The FAST proposal aims to support ITER operations and to tackle the power exhaust problem in view of DEMO. An new extreme high current (10MA, q95~2.3) scenario has been designed to test the possibility of actively controlling MHD modes linked with the low q95 value. The MHD stability analysis performed has shown the possibility of using active coils to control the onset of the most important modes and to avoid the related possible disruption. In the Reference scenario (6.5MA) it has been studied the possibility of realizing a Snow Flake configuration, by using the present poloidal system (coils plus power supplies), with a consequent impressive reduction of the foreseen power flow on the divertor plates.
2012
Programme, Abstracts, Presentations & Proceedings
24th IAEA Fusion Energy Conference
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/2953504
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