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38
Pellet Fuelled High Density ITBs at JET
"... Advanced scenarios featuring internal transport barriers (ITBs) need to be extended to densities towards the Greenwald value in order to demonstrate their reactor relevance [1]. It is difficult to access this regime since NBI deposition becomes less efficient in injecting particles and torque into t ..."
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Advanced scenarios featuring internal transport barriers (ITBs) need to be extended to densities towards the Greenwald value in order to demonstrate their reactor relevance [1]. It is difficult to access this regime since NBI deposition becomes less efficient in injecting particles and torque into the plasma core and high additional current drive power must be
Pellet Fuelling with Edge-Localized Modes Controlled by External Magnetic Perturbations in MAST
"... This is an author-created, un-copyedited version of an article accepted for publication in Nuclear Fusion. IoP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi:10.1088/0029 ..."
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.1088/0029-5515/55/1/013011 Pellet fuelling with edge-localised modes controlled by external magnetic perturbations in MAST
Results of JET Pellet Fuelling Experiments with Outboard and Inboard Launch
"... The JET pellet centrifuge and flight tube system were modified during 1999 to incorporate an in-vessel track to allow pellet launch from the inboard High Field Side (HFS) of the magnetic axis. The launch point is approximately on the midplane and the trajectory is tangential to the flux surface at n ..."
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The JET pellet centrifuge and flight tube system were modified during 1999 to incorporate an in-vessel track to allow pellet launch from the inboard High Field Side (HFS) of the magnetic axis. The launch point is approximately on the midplane and the trajectory is tangential to the flux surface
The enhanced high speed inboard pellet fuelling system at ASDEX Upgrade
"... After more than 20 years of operation and numerous modifications, a substantial modernisation of the inboard pellet injection system on ASDEX Upgrade was carried out. This enhancement was necessary to meet new functional requirements and to benefit from technical progress as well. New requirements a ..."
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After more than 20 years of operation and numerous modifications, a substantial modernisation of the inboard pellet injection system on ASDEX Upgrade was carried out. This enhancement was necessary to meet new functional requirements and to benefit from technical progress as well. New requirements
Particle transport analysis of ELMy H-mode pellet fuelled plasma in ASDEX Upgrade
"... 1. Introduction The injection of cryogenic fuel pellets from the tokamak high field side al-lows efficient particle fuelling in hot target plasma. After pellet injection many phenomena take place in the target plasma on different time scales. The pellet ablation and the ablated mass redistribution a ..."
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1. Introduction The injection of cryogenic fuel pellets from the tokamak high field side al-lows efficient particle fuelling in hot target plasma. After pellet injection many phenomena take place in the target plasma on different time scales. The pellet ablation and the ablated mass redistribution
Pellet Fuelling and ELMy H-mode Physics in JET The JET Team 1, prepared by L.D. Horton 1) JET Joint Undertaking, Abingdon, U.K.
"... Abstract. As the reference operating regime for ITER, investigations of the ELMy H-mode have received high priority in the JET experimental programme. Recent experiments have concentrated in particular on operation simultaneously at high density and high confinement using high field side (HFS) pelle ..."
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) pellet launch. The enhanced fuelling efficiency of HFS pellet fuelling is found to scale favourably to a large machine such as JET. The achievable density of ELMy H-mode plasmas in JET has been significantly increased using HFS fuelling although at the expense of confinement degradation back to L
b Laboratoire de Physique des Plasmas/Laboratorium voor Plasmafysica,
"... Pellet fuelling into radiative improved confinement discharges in TEXTOR-94 ..."
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Pellet fuelling into radiative improved confinement discharges in TEXTOR-94
A High-Velocity Microwave-Powered Pellet Launcher for ITER
"... Experiments have shown that pellet fuelling of ITER will be optimized by injection of high-speed pellets 3km/s) from a position on the high-field side of the magnetic separatrix. Present ITER plans call for remotely energizing and injecting pellets into a guide tube, which, after several bends, arri ..."
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Experiments have shown that pellet fuelling of ITER will be optimized by injection of high-speed pellets 3km/s) from a position on the high-field side of the magnetic separatrix. Present ITER plans call for remotely energizing and injecting pellets into a guide tube, which, after several bends
Assessment of Independent Fuelling and ELM Pace Making by Pellet Injection in ITER
"... Abstract. The possibility of independent plasma fuelling by high field side (HFS) DT pellet injection and ELM pace-making by low field side (LFS) D pellet injection is considered for ITER. The model used in the analysis takes into account the outward drift of the ablated pellet substance. The simul ..."
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Abstract. The possibility of independent plasma fuelling by high field side (HFS) DT pellet injection and ELM pace-making by low field side (LFS) D pellet injection is considered for ITER. The model used in the analysis takes into account the outward drift of the ablated pellet substance
Results 1 - 10
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38
