Angular dependence measurements of Magnum-PSI plasmas using MAST-U angled-tip Langmuir probes

Autor: J. Leland, S. Elmore, A. Kirk, H.J. van der Meiden, J. Scholten, S.Y. Allan, J.W. Bradley

Publikováno v: Nuclear Materials and Energy, Vol 27, Iss , Pp 100954- (2021)

Measurements made using flush-mounted Langmuir probes in tokamaks are difficult to interpret when operating at grazing angles of magnetic field incidence due to the effects of sheath expansion on the probe collection area. The Super-X divertor on the

Externí odkaz: https://doaj.org/article/ad173c437eb2469994ef7ca6446c586d

Density Measurements in Low Pressure, Weakly Magnetized, RF Plasmas: Experimental Verification of the Sheath Expansion Effect

Autor: Yunchao Zhang, Christine Charles, Roderick W. Boswell

Publikováno v: Frontiers in Physics, Vol 5 (2017)

This experimental study shows the validity of Sheridan's method in determining plasma density in low pressure, weakly magnetized, RF plasmas using ion saturation current data measured by a planar Langmuir probe. The ion density derived from Sheridan'

Externí odkaz: https://doaj.org/article/2b00dd708199481b900339f0b08cd168

Obtaining the unperturbed plasma potential in low-density, low-temperature plasmas

Autor: N. Rispoli, G. Gervasini, Gustavo Granucci, D. Ricci, A. Uccello, Federica Causa

Publikováno v: Plasma sources science & technology (Online) 30 (2021): 045008-1–045008-10. doi:10.1088/1361-6595/abef1b
info:cnr-pdr/source/autori:Causa F.; Gervasini G.; Uccello A.; Granucci G.; Ricci D.; Rispoli N./titolo:Obtaining the unperturbed plasma potential in low-density, low-temperature plasmas/doi:10.1088%2F1361-6595%2Fabef1b/rivista:Plasma sources science & technology (Online)/anno:2021/pagina_da:045008-1/pagina_a:045008-10/intervallo_pagine:045008-1–045008-10/volume:30

A method is proposed to effectively obtain plasma parameters in low-density, low-temperature plasmas that are easily perturbed by Langmuir probes. The methodology is based on the perimeter sheath expansion method because it provides a simple, but eff

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6677c5448923d855844b9ade94838297
https://doi.org/10.1088/1361-6595/abef1b

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