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Plasma parameters measured by Langmuir probes in ISTTOK tokamak (IWEP2015)
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SYSNO ASEP 0453351 Druh ASEP O - Ostatní výsledky Zařazení RIV O - Ostatní Název Plasma parameters measured by Langmuir probes in ISTTOK tokamak (IWEP2015) Tvůrce(i) Dimitrova, Miglena (UFP-V) ORCID
Silva, C. (PT)
Fernandes, H. (PT)
Duarte, P. (PT)
Kovačič, J. (SI)
Popov, Tsv.K. (BG)
Stöckel, Jan (UFP-V) RID
Pánek, Radomír (UFP-V) RIDRok vydání 2015 Jazyk dok. eng - angličtina Země vyd. BG - Bulharsko Klíč. slova tokamak edge plasma ; plasma potential ; electron energy distribution function ; electron temperatura and density ; first-derivative probe technique Vědní obor RIV BL - Fyzika plazmatu a výboje v plynech CEP LM2011021 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Institucionální podpora UFP-V - RVO:61389021 Anotace Předneseno na:11th International Workshop on Electric Probes in Magnetized Plasmas (IWEP),Sozopol, BG, 16-19.09.2015, The correct knowledge of the plasma potential Φpl and the electron energy distribution function (EEDF) is crucial in the investigation of transport processes in the scrape-off-layer (SOL) of the tokamaks, as well as energy flux flows to the walls. It is, however, not easy to evaluate these quantities in the complex plasma environment of the SOL, with a presence of a strong magnetic field and many particle-particle interactions.In our paper, we shall present the results of Φpl and EEDF measurements in the SOL of the ISTTOK tokamak. The measurements were performed using a newly designed probe head attached to the horizontal manipulator.The probe consists of two Langmuir probes,one oriented parallel and one perpendicular to the magnetic field lines in order to better evaluate the influence of the magnetic field on the EEDF.The current-voltage characteristics obtained Pracoviště Ústav fyziky plazmatu Kontakt Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Rok sběru 2016
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