Behaviour features of the radiative losses of the torsatron U – 3M plasma

The total bolometrically measured plasma radiation losses on the RF heating power were found. The results of measurements demonstrate a nonmonotonic dependence of radiation losses on RF power. Namely, at low RF power levels (80...170 kW) the total radiation losses raised with increasing the RF pow...

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Bibliographic Details
Date:2006
Main Authors: Kotsubanov, V.D., Kulaga, A.E., Nikolskij, I.K., Pashnev, V.K., Tsybenko, S.A.
Format: Article
Language:English
Published: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2006
Series:Вопросы атомной науки и техники
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Online Access:http://dspace.nbuv.gov.ua/handle/123456789/81780
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Journal Title:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Cite this:Behaviour features of the radiative losses of the torsatron U – 3M plasma / V.D. Kotsubanov, A.E. Kulaga, I.K. Nikolskij, V.K. Pashnev, S.A. Tsybenko // Вопросы атомной науки и техники. — 2006. — № 6. — С. 56-58. — Бібліогр.: 7 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Summary:The total bolometrically measured plasma radiation losses on the RF heating power were found. The results of measurements demonstrate a nonmonotonic dependence of radiation losses on RF power. Namely, at low RF power levels (80...170 kW) the total radiation losses raised with increasing the RF power. However, the total radiation losses decreased sharply when RF power exceeded 200 kW (down to ≈20 kW at 240 kW of RF power). Simultaneously, the intensity of impurity lines fell down significantly, whereas the average electron temperature (found from ECE measurement) did increase. The authors consider that screening properties of periphery plasma give reasons for above experimental facts.