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Statements

Subject Item
n2:RIV%2F61389021%3A_____%2F11%3A00371201%21RIV12-AV0-61389021
rdf:type
n18:Vysledek skos:Concept
dcterms:description
The Prague IPP recently acquired from UKAEA Culham the COMPASS tokamak together with an incomplete 1.3 GHz lower hybrid (LH) system [1]. A proposal for an alternative 3.7 GHz COMPASS LH multi-junction antenna was previously presented in J. Hillairet et al., Nucl. Fusion 50, 125010,2010. We present herein simulations of Lower Hybrid Current Drive (LHCD), in support of a choice between the 1.3 GHz and the 3.7 GHz LH systems. The LHCD simulations are carried out with state-of-the-art ray tracing/Fokker-Planck codes C3PO/LUKE [4, 5] and GENRAY/CQL3D [6, 7]. These two suites of codes are very different in terms of organization and applied numerical methods. Despite these differences, and despite the very wide principal spectral component of COMPASS antenna (N//=1.7 at 1.3 GHz, N//=0.6 at 3.7 GHz)—essentially at the limit of geometrical optics—the two codes give compatible results in terms of power deposition and LHCD efficiency. The Prague IPP recently acquired from UKAEA Culham the COMPASS tokamak together with an incomplete 1.3 GHz lower hybrid (LH) system [1]. A proposal for an alternative 3.7 GHz COMPASS LH multi-junction antenna was previously presented in J. Hillairet et al., Nucl. Fusion 50, 125010,2010. We present herein simulations of Lower Hybrid Current Drive (LHCD), in support of a choice between the 1.3 GHz and the 3.7 GHz LH systems. The LHCD simulations are carried out with state-of-the-art ray tracing/Fokker-Planck codes C3PO/LUKE [4, 5] and GENRAY/CQL3D [6, 7]. These two suites of codes are very different in terms of organization and applied numerical methods. Despite these differences, and despite the very wide principal spectral component of COMPASS antenna (N//=1.7 at 1.3 GHz, N//=0.6 at 3.7 GHz)—essentially at the limit of geometrical optics—the two codes give compatible results in terms of power deposition and LHCD efficiency.
dcterms:title
Assessment of Lower Hybrid Current Drive System for COMPASS Assessment of Lower Hybrid Current Drive System for COMPASS
skos:prefLabel
Assessment of Lower Hybrid Current Drive System for COMPASS Assessment of Lower Hybrid Current Drive System for COMPASS
skos:notation
RIV/61389021:_____/11:00371201!RIV12-AV0-61389021
n18:predkladatel
n20:ico%3A61389021
n5:aktivita
n12:P n12:Z
n5:aktivity
P(7G09042), P(GA202/07/0044), Z(AV0Z20430508)
n5:dodaniDat
n19:2012
n5:domaciTvurceVysledku
n6:9984445 n6:2083248 n6:7093012
n5:druhVysledku
n21:D
n5:duvernostUdaju
n16:S
n5:entitaPredkladatele
n11:predkladatel
n5:idSjednocenehoVysledku
187272
n5:idVysledku
RIV/61389021:_____/11:00371201
n5:jazykVysledku
n7:eng
n5:klicovaSlova
Lower hybrid wave; tokamak; plasma
n5:klicoveSlovo
n15:tokamak n15:plasma n15:Lower%20hybrid%20wave
n5:kontrolniKodProRIV
[668086BF071A]
n5:mistoKonaniAkce
Strasbourg
n5:mistoVydani
Mulhouse
n5:nazevZdroje
EPS Europhysics Conference Abstracts Volume 35G – Contributed papers
n5:obor
n17:BL
n5:pocetDomacichTvurcuVysledku
3
n5:pocetTvurcuVysledku
10
n5:projekt
n9:GA202%2F07%2F0044 n9:7G09042
n5:rokUplatneniVysledku
n19:2011
n5:tvurceVysledku
Žáček, František Urban, Jakub Decker, J. Harvey, R. W. Hillairet, J. Fuchs, Vladimír Cairns, R. A. Goniche, M. Preynas, M. Peysson, Y.
n5:typAkce
n13:EUR
n5:zahajeniAkce
2011-06-27+02:00
n5:zamer
n14:AV0Z20430508
s:numberOfPages
4
n3:hasPublisher
European Physical Society
n10:isbn
2-914771-68-1