Alfvén wave heating and runaway discharges in the TCABR tokamak
Recent results of experiments on Alfvén wave heating and runaway discharges carried out in the TCABR tokamak are presented. A new antenna type has been installed to allow wave excitation with higher RF currents and lower dynamic polarization of the antenna straps than for the one previously used. In...
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| Published in: | Вопросы атомной науки и техники |
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| Date: | 2002 |
| Main Authors: | , , , , , , , , , , , , , , , , , , , |
| Format: | Article |
| Language: | English |
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Національний науковий центр «Харківський фізико-технічний інститут» НАН України
2002
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| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/80263 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Alfvén wave heating and runaway discharges in the TCABR tokamak / R.M.O. Galvão, V. Bellintani Jr., A.G. Elfimov, J.I. Elizondo, A.N. Fagundes, A.A. Ferreira, A.M.M. Fonseca, Yu.K. Kuznetsov, E.A. Lerche, I.C. Nascimento, E.M. Ozono, L.F. Ruchko, W.P. de Sá, E.A.O. Saettone, E.K. Sanada, J.H.F. Severo, R.P. da Silva, V.S. Tsypin, O.C. Usuriaga, A. Vannucci // Вопросы атомной науки и техники. — 2002. — № 4. — С. 18-23. — Бібліогр.: 14 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862752158768693248 |
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| author | Galvão, R.M.O. Bellintani Jr., V. Elfimov, A.G. Elizondo, J.I. Fagundes, A.N. Ferreira, A.A. Fonseca, A.M.M. Kuznetsov, Yu.K. Lerche, E.A. Nascimento, I.C. Ozono, E.M. Ruchko, L.F. de Sá, W.P. Saettone, E.A.O. Sanada, E.K. Severo, J.H.F. da Silva, R.P. Tsypin, V.S. Usuriaga, O.C. Vannucci, A. |
| author_facet | Galvão, R.M.O. Bellintani Jr., V. Elfimov, A.G. Elizondo, J.I. Fagundes, A.N. Ferreira, A.A. Fonseca, A.M.M. Kuznetsov, Yu.K. Lerche, E.A. Nascimento, I.C. Ozono, E.M. Ruchko, L.F. de Sá, W.P. Saettone, E.A.O. Sanada, E.K. Severo, J.H.F. da Silva, R.P. Tsypin, V.S. Usuriaga, O.C. Vannucci, A. |
| citation_txt | Alfvén wave heating and runaway discharges in the TCABR tokamak / R.M.O. Galvão, V. Bellintani Jr., A.G. Elfimov, J.I. Elizondo, A.N. Fagundes, A.A. Ferreira, A.M.M. Fonseca, Yu.K. Kuznetsov, E.A. Lerche, I.C. Nascimento, E.M. Ozono, L.F. Ruchko, W.P. de Sá, E.A.O. Saettone, E.K. Sanada, J.H.F. Severo, R.P. da Silva, V.S. Tsypin, O.C. Usuriaga, A. Vannucci // Вопросы атомной науки и техники. — 2002. — № 4. — С. 18-23. — Бібліогр.: 14 назв. — англ. |
| collection | DSpace DC |
| container_title | Вопросы атомной науки и техники |
| description | Recent results of experiments on Alfvén wave heating and runaway discharges carried out in the TCABR tokamak are presented. A new antenna type has been installed to allow wave excitation with higher RF currents and lower dynamic polarization of the antenna straps than for the one previously used. In spite of edge plasma heating, which causes influx of impurities, we have obtained a clear confirmation of wave deposition inside the plasma from a localized increase of the electron temperature measured with the ECE radiometer. Detailed profiles of the plasma density and Ha emission were obtained in runaway disharges with currents around 100 kA. These profiles confirm our model of a low-temperature plasma maintained in equilibrium by the relativistic electron beam. Analysis of the Ha and density spikes indicate that recombination plays a substantial role in the particle and energy balance.
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| first_indexed | 2025-12-07T21:15:18Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-80263 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 1562-6016 |
| language | English |
| last_indexed | 2025-12-07T21:15:18Z |
| publishDate | 2002 |
| publisher | Національний науковий центр «Харківський фізико-технічний інститут» НАН України |
| record_format | dspace |
| spelling | Galvão, R.M.O. Bellintani Jr., V. Elfimov, A.G. Elizondo, J.I. Fagundes, A.N. Ferreira, A.A. Fonseca, A.M.M. Kuznetsov, Yu.K. Lerche, E.A. Nascimento, I.C. Ozono, E.M. Ruchko, L.F. de Sá, W.P. Saettone, E.A.O. Sanada, E.K. Severo, J.H.F. da Silva, R.P. Tsypin, V.S. Usuriaga, O.C. Vannucci, A. 2015-04-14T05:29:33Z 2015-04-14T05:29:33Z 2002 Alfvén wave heating and runaway discharges in the TCABR tokamak / R.M.O. Galvão, V. Bellintani Jr., A.G. Elfimov, J.I. Elizondo, A.N. Fagundes, A.A. Ferreira, A.M.M. Fonseca, Yu.K. Kuznetsov, E.A. Lerche, I.C. Nascimento, E.M. Ozono, L.F. Ruchko, W.P. de Sá, E.A.O. Saettone, E.K. Sanada, J.H.F. Severo, R.P. da Silva, V.S. Tsypin, O.C. Usuriaga, A. Vannucci // Вопросы атомной науки и техники. — 2002. — № 4. — С. 18-23. — Бібліогр.: 14 назв. — англ. 1562-6016 PACS: 52.55.Fa; 52.35.Bj https://nasplib.isofts.kiev.ua/handle/123456789/80263 Recent results of experiments on Alfvén wave heating and runaway discharges carried out in the TCABR tokamak are presented. A new antenna type has been installed to allow wave excitation with higher RF currents and lower dynamic polarization of the antenna straps than for the one previously used. In spite of edge plasma heating, which causes influx of impurities, we have obtained a clear confirmation of wave deposition inside the plasma from a localized increase of the electron temperature measured with the ECE radiometer. Detailed profiles of the plasma density and Ha emission were obtained in runaway disharges with currents around 100 kA. These profiles confirm our model of a low-temperature plasma maintained in equilibrium by the relativistic electron beam. Analysis of the Ha and density spikes indicate that recombination plays a substantial role in the particle and energy balance. This work has been supported by CNPq (National Council for Research and Development – Brazil), through the PRONEX Project, and by FAPESP (Foundation for Supporting Research of the State of São Paulo). en Національний науковий центр «Харківський фізико-технічний інститут» НАН України Вопросы атомной науки и техники Magnetic confinement Alfvén wave heating and runaway discharges in the TCABR tokamak Article published earlier |
| spellingShingle | Alfvén wave heating and runaway discharges in the TCABR tokamak Galvão, R.M.O. Bellintani Jr., V. Elfimov, A.G. Elizondo, J.I. Fagundes, A.N. Ferreira, A.A. Fonseca, A.M.M. Kuznetsov, Yu.K. Lerche, E.A. Nascimento, I.C. Ozono, E.M. Ruchko, L.F. de Sá, W.P. Saettone, E.A.O. Sanada, E.K. Severo, J.H.F. da Silva, R.P. Tsypin, V.S. Usuriaga, O.C. Vannucci, A. Magnetic confinement |
| title | Alfvén wave heating and runaway discharges in the TCABR tokamak |
| title_full | Alfvén wave heating and runaway discharges in the TCABR tokamak |
| title_fullStr | Alfvén wave heating and runaway discharges in the TCABR tokamak |
| title_full_unstemmed | Alfvén wave heating and runaway discharges in the TCABR tokamak |
| title_short | Alfvén wave heating and runaway discharges in the TCABR tokamak |
| title_sort | alfvén wave heating and runaway discharges in the tcabr tokamak |
| topic | Magnetic confinement |
| topic_facet | Magnetic confinement |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/80263 |
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