About: Electron Bernstein wave emission based diagnostic on National Spherical Torus Experiment (invited)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	EBW emise a fyzika vazby byly studovány na NSTX pomocí dvou dálkově natáčených, šikmo hledících antén spojených k absolutně kalibrovaným radiometrům. Ačkoliv měření Te(R,t) pomocí EBW bylo možné, bylo otazné z několika hledisek. Rychlé změny gradientu povrchové hustoty vedli k více než 20% změnám B-X-O účinnosti průchodu. Také, simulace ukázali, že účinnost B-X-O průchodu během H-módů je značně snížena v důsledku srážek když Te<30 eV uvnitř vrstvy kde dochází ke B-X-O konverzi módů.. (cs) EBW emission and coupling physics were studied on NSTX with an obliquely viewing EBW to O-mode (B-X-O) diagnostic with two remotely steered antennas, coupled to absolutely calibrated radiometers. While Te(R,t) measurements with EBW emission on NSTX were possible, they were challenged by several issues. Rapid fluctuations in edge ne scale length resulted in >20% changes in the low harmonic B-X-O transmission efficiency. Also, The B-X-O transmission behavior during H modes was reproduced by EBE simulations that predict that EBW collisional damping can significantly reduce emission when Te<30 eV inside the B-X-O mode conversion (MC) layer. EBW emission and coupling physics were studied on NSTX with an obliquely viewing EBW to O-mode (B-X-O) diagnostic with two remotely steered antennas, coupled to absolutely calibrated radiometers. While Te(R,t) measurements with EBW emission on NSTX were possible, they were challenged by several issues. Rapid fluctuations in edge ne scale length resulted in >20% changes in the low harmonic B-X-O transmission efficiency. Also, The B-X-O transmission behavior during H modes was reproduced by EBE simulations that predict that EBW collisional damping can significantly reduce emission when Te<30 eV inside the B-X-O mode conversion (MC) layer. (en)
Title	Electron Bernstein wave emission based diagnostic on National Spherical Torus Experiment (invited) Electron Bernstein wave emission based diagnostic on National Spherical Torus Experiment (invited) (en) Diagnostika založená na emisi elektronových Bernsteinových vln pro Národní Sférický Toroidální Experiment (cs)
skos:prefLabel	Electron Bernstein wave emission based diagnostic on National Spherical Torus Experiment (invited) Electron Bernstein wave emission based diagnostic on National Spherical Torus Experiment (invited) (en) Diagnostika založená na emisi elektronových Bernsteinových vln pro Národní Sférický Toroidální Experiment (cs)
skos:notation	RIV/61389021:_____/08:00316088!RIV09-AV0-61389021
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/08/0419), Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Preinhaelter, Josef Urban, Jakub
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	365818
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/08:00316088
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Overdense plasma; Conversion; Emission; Excitation; Tokamaks; Elektron Bernstein waves; NSTX (en)
http://linked.open.../riv/klicoveSlovo	Conversion Emission Elektron Bernstein waves NSTX Overdense plasma Tokamaks Excitation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[CB5B623D9CC7]
http://linked.open...i/riv/nazevZdroje	Review of Scientific Instruments
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Electron cyclotron emission and Bernstein waves
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	79
http://linked.open...iv/tvurceVysledku	Preinhaelter, Josef Taylor, G. Urban, Jakub Caughman, J. Diem, S. J. Efthimion, P. LeBlanc, B. P. Sabbagh, R. A. Wilgen, J. B.
http://linked.open...ain/vavai/riv/wos	000260573500191
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
issn	0034-6748
number of pages	4 (xsd:int)

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