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Density, Temperature and Potential Fluctuation Measurements With Multiple Fast Swept Langmuir Probes on W7-AS

Autor: G. Theimer, H. Niedermeyer, M. Endler, U. Pfeiffer, J. Bleuel

Publikováno v: Contributions to Plasma Physics. 38:134-144

To measure fluctuations of plasma density, electron temperature and electric plasma potential in the edge of fusion experiments simultaneously and with high spatial resolution, the best approach is generally agreed to be the fast sweeping of the Lang

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c1c9324657f54606624e58adb0e98fe
https://doi.org/10.1002/ctpp.19980380126

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Langmuir probe measurements in fluctuating plasmas

Autor: G. Theimer, H. Niedermeyer, M. Endler, A. Rudyj, L. Giannone

Publikováno v: Contributions to Plasma Physics. 36:131-138

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da4178e2703d83c268ee6a85d0d52995
https://doi.org/10.1002/ctpp.19960360120

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Measurements and modelling of electrostatic fluctuations in the scrape-off layer of ASDEX

Autor: E. Holzhauer, G. Theimer, L. Giannone, Asdex Team, H. Niedermeyer, N. Tsois, A. Rudyj, M. Endler

Publikováno v: Nuclear Fusion. 35:1307-1339

In the edge plasma of the ASDEX tokamak, electrostatic fluctuations were observed with Langmuir probes and in Halpha light with high poloidal and temporal resolution. These fluctuations contribute a significant fraction to the 'anomalous' radial part

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bacf990a325b710fd2577b7e579cb075
https://doi.org/10.1088/0029-5515/35/11/i01

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Turbulence in the SOL of ASDEX and W7-AS

Autor: A. Rudyj, S. Zoletnik, L. Giannone, Asdex Team, M. Endler, H. Niedermeyer, K. McCormick, W As Team, N. Tsois, G. Theimer

Publikováno v: Physica Scripta. 51:610-616

Electrostatic fluctuations have been measured in the scrape-off layer of ASDEX and W7-AS by Langmuir probes and by observation of H? light and light emitted from a fast Li atom beam with high spatial and temporal resolution. It was demonstrated that

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f3f5fdb2111c9a71d556aeebb16f546
https://doi.org/10.1088/0031-8949/51/5/011

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Turbulent fluctuations and radial transport in the scrape-off layer of the ASDEX tokamak

Autor: M. Endler, H. Niedermeyer, G. Theimer, A. Rudyj, N. Tsois, Asdex Team, L. Giannone, K. McCormick

Publikováno v: Journal of Nuclear Materials. :293-297

Electrostatic fluctuations have been measured in the scrape-off layer of ASDEX by Langmuir probes and by observation of H α light with high poloidal and temporal resolution. It was demonstrated that these fluctuations contribute a significant, if no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b957be6638c668550cefdafdac1a1c7a
https://doi.org/10.1016/0022-3115(94)00431-5

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Density, temperature, and potential fluctuation measurements by the swept Langmuir probe technique in Wendelstein 7‐AS

Autor: G. Theimer, G. Herre, M. Endler, P. Verplanke, L. Giannone, W As Team, A. Rudyj, C. Hidalgo, H. Niedermeyer, R. Balbín

Publikováno v: Physics of Plasmas. 1:3614-3621

In the Wendelstein 7‐AS stellarator (W7‐AS) [Plasma Phys. Controlled Fusion 33, 1591 (1991)], current‐voltage characteristics of the Langmuir probe at sweep frequencies in the range 400 kHz to 1 MHz were measured and it was found that the mean

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fdc6c36041f0e7e64e3fd6694b637dc2
https://doi.org/10.1063/1.870917

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The H-mode in the ASDEX tokamak

Autor: P. Varela, F. Serra, G. Theimer, Friedrich E. Wagner, A. Silva, V. Mertens, L. Giannone, K. McCormick, G. Dodel, J. Gernhardt, M. Endler, E. Holzhauer, M. E. Manso, H. Zohm, A. Rudyj, H. Niedermeyer

Publikováno v: Plasma Physics and Controlled Fusion. 36:A3-A11

The L-H transition in the ASDEX tokamak was investigated. The level of fluctuations both in the scrape-off layer and in a narrow region inside the separatrix drops on a 100 mu s timescale. Density turbulence coming from the edge and magnetic turbulen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1f814aeff00bcc29acf72db507cad98
https://doi.org/10.1088/0741-3335/36/7a/001

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