Synthetic plasma edge diagnostics for EMC3-EIRENE, highlighted for Wendelstein 7-X

H. Frerichs, F. Effenberg, O. Schmitz, C. Biedermann, Y. Feng, M. Jakubowski, R. König, M. Krychowiak, J. Lore, H. Niemann, T. S. Pedersen, L. Stephey, G. A. Wurden

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Interpretation of spectroscopic measurements in the edge region of high-temperature plasmas can be a challenge since line of sight integration effects make direct interpretation in terms of quantitative, local emission strengths often impossible. The EMC3-EIRENE code - a 3D fluid edge plasma and kinetic neutral gas transport code - is a suitable tool for full 3D reconstruction of such signals. A versatile synthetic diagnostic module has been developed recently which allows the realistic 3D setup of various plasma edge diagnostics to be captured. We highlight these capabilities with two examples for Wendelstein 7-X (W7-X): a visible camera for the analysis of recycling, and a coherent-imaging system for velocity measurements.

Original languageEnglish
Article number11D441
JournalReview of Scientific Instruments
Volume87
Issue number11
DOIs
StatePublished - Nov 1 2016

Funding

This work was supported in part by the U.S. Department of Energy (DOE) under Grant No. DE-SC0014210 and by startup funds of the Department of Engineering Physics at the university of Wisconsin - Madison. This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014-2018 under Grant Agreement No. 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission. The authors also wish to acknowledge the contributions and support of the W7-X team.

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