The Set of Diagnostics for the First Operation Campaign of the Wendelstein 7-X Stellarator

R. König, J. Baldzuhn, W. Biel, C. Biedermann, H.-S. Bosch, S. Bozhenkov, T. Bräuer, B.B. Carvalho, R. Burhenn, B. Buttenschön,

Journal of Instrumentation · 2015 · 43 citations · 33 references

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Abstract

ABSTRACT: Wendelstein 7-X (W7-X) is a large optimized stellarator (B=2.5T, V=30m3) aiming at demonstrating the reactor relevance of the optimized stellarators. In summer this year (2015) W7-X will begin its first operation phase (OP1.1) with five inertially cooled inboard limiters made of graphite. Assuming the heat loads can be spread out evenly between the limiters, 1 second discharges at 2 MW of heating power could be run in OP1.1. The expected plasma parameters will be sufficient to demonstrate the readiness of the installed diagnostics and even

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