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Towards Fast Measurement of the Electron Temperature in the SOL of ASDEX Upgrade Using Swept Langmuir Probes
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SYSNO ASEP 0349708 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Towards Fast Measurement of the Electron Temperature in the SOL of ASDEX Upgrade Using Swept Langmuir Probes Author(s) Müller, H. W. (DE)
Adámek, Jiří (UFP-V) RID, ORCID
Horáček, Jan (UFP-V) RID, ORCID
Ionita, C. (AT)
Mehlmann, F. (AT)
Rohde, V. (DE)
Schrittwieser, R. (AT)Source Title Contributions to Plasma Physics. - : Wiley - ISSN 0863-1042
Roč. 50, č. 9 (2010), s. 847-853Number of pages 7 s. Publication form web - web Action International Workshop on Electric Probes in Magnetized Plasmas/8th./ Event date 21.09.2009-24.09.2009 VEvent location Innsbruck Country AT - Austria Event type WRD Language eng - English Country DE - Germany Keywords Tokamak ; Langmuir probe ; swept probe ; ball-pen probe ; fast temperature measurement ; ELM Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects KJB100430901 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA202/09/1467 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20430508 - UFP-V (2005-2011) UT WOS 000284135100011 DOI 10.1002/ctpp.201010144 Annotation On ASDEX Upgrade first experiments were made using single probes with a voltage sweep frequency up to 100kHz. Possibilities and limitations using fast swept probes with a standard diagnostic and analysis tools are discussed. A good agreement between the data derived from fast swept single probe characteristics and floating as well as saturation current measurements was found. In a stationary (non ELMing) plasma the data of the fast swept probe are compared to standard slow swept probes (kHz range) showing an improvement of the measurement by faster sweeping. Further comparisons are done in ELMy H-mode with combined ball-pen probe/floating potential measurements which can deliver electron temperatures. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2011
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