Approaching detachment in I-mode Response of core confinement and the edge pedestal in the ASDEX Upgrade tokamak

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F21%3A00555702" target="_blank" >RIV/61389021:_____/21:00555702 - isvavai.cz</a>
Result on the web
<a href="https://iopscience.iop.org/article/10.1088/1741-4326/abd7b7" target="_blank" >https://iopscience.iop.org/article/10.1088/1741-4326/abd7b7</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1741-4326/abd7b7" target="_blank" >10.1088/1741-4326/abd7b7</a>

Result language
angličtina
Original language name
Approaching detachment in I-mode Response of core confinement and the edge pedestal in the ASDEX Upgrade tokamak
Original language description
Experiments on nitrogen assisted divertor detachment in the improved energy confinement mode (I-mode) are reported from the ASDEX Upgrade tokamak. When nitrogen is introduced into the divertor and radiation losses cool the divertor plasma down, a loss of core confinement is observed, concomitant with an increase in low frequency edge fluctuation levels. The loss in confinement can be compensated and the I-mode can be maintained by additional heating power input. Detachment of the inner divertor leg has been observed for the first time in an I-mode discharge. The outer divertor leg remains attached in these experiments. Good energy confinement properties (H 98(y, 2) = 0.9) during the detachment of the inner divertor leg are reported.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10305 - Fluids and plasma physics (including surface physics)

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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