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  Concept of a Helias ignition experiment

Wobig, H., Andreeva, T., Beidler, C. D., Harmeyer, E., Herrnegger, F., Igitkhanov, Y., et al. (2003). Concept of a Helias ignition experiment. Nuclear Fusion, 43, 889-898. doi:10.1088/0029-5515/43/9/313.

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 Creators:
Wobig, H.1, Author              
Andreeva, T.2, 3, Author              
Beidler, C. D.1, Author              
Harmeyer, E.3, Author              
Herrnegger, F.3, 4, Author              
Igitkhanov, Y.4, Author              
Kisslinger, J.3, Author              
Kolesnichenko, Ya. I.5, Author
Lutsenko, L. L.5, Author
Marchenko, V. S.5, Author
Nührenberg, C.1, Author              
Sidorenko, I.6, Author              
Turkin, Y.3, Author              
Wieczorek, A.6, Author              
Yakovenko, Yu. V.5, Author
Affiliations:
1Stellarator Theory (ST), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856287              
2Stellarator Dynamics and Transport (E5), Max Planck Institute for Plasma Physics, Max Planck Society, ou_2040306              
3Experimental Plasma Physics 3 (E3), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856291              
4Stellarator System Studies, Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856331              
5Scientific Centre Institute for Nuclear Research 03680 Kyiv, Ukraine; Fachhochschule Regensburg, Regensburg, Germany, ou_persistent22              
6External Organizations, ou_persistent22              

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 Abstract: The Helias ignition experiment is an upgraded version of the Wendelstein 7-X experiment. The magnetic configuration is a four-period Helias configuration (major radius 18 m, plasma radius 2.0 m, B = 4.5 T), which presents a more compact option than the five-period configuration. Much effort has been focused on two versions of the four-period configuration. One option is the power reactor HSR4/18 providing at least 3 GW of fusion power and the second is the ignition experiment HSR 4/18i aiming at a minimum of fusion power and the demonstration of self-sustaining burn. The design criteria of the ignition experiment HSR 4/18i are the following: The experiment should demonstrate a safe and reliable route to ignition; self-sustained burn without external heating; steady-state operation during several hundred seconds; reliability of the technical components and tritium breeding in a test blanket. The paper discusses the technical issues of the coil system and describes the vacuum vessel and the shielding blanket. The power balance will be modelled with a transport code and the ignition conditions will be investigated using current scaling laws of energy confinement in stellarators. The plasma parameters of the ignition experiment are: peak density 2–3×1020 m-3, peak temperature 11–15 keV, average beta 3.6% and fusion power 1500–1700 MW.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Type: Peer
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Title: Nuclear Fusion
  Alternative Title : Nucl. Fusion
Source Genre: Journal
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Publ. Info: Copyright © Institute of Physics and IOP Publishing Limited 2003
Pages: - Volume / Issue: 43 Sequence Number: - Start / End Page: 889 - 898 Identifier: -