英国物理学会
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作者:J.L. Barr , M.W. Bongard ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (7)
摘要:A 0D circuit model for predicting in Local Helicity Injection (LHI) discharges is developed. Analytic formulas for estimating the surface flux of finite- plasmas developed by Hirshman and Neilson (1986 Phys. Fluids 29 790) are modified and expanded to treat highly shaped, ul...
作者:J.L. Barr , M. Baruzzo ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (11)
摘要:Key plasma physics and real-time control elements needed for robustly stable operation of high fusion power discharges in ITER have been demonstrated in recent research worldwide. Recent analysis has identified the current density profile as the main drive for disruptive ins...
作者:J.L. Barr , M.W. Bongard ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (7)
摘要:Plasmas in the Pegasus spherical tokamak are initiated and grown by the non-solenoidal local helicity injection (LHI) current drive technique. The LHI system consists of three adjacent electron current sources that inject multiple helical current filaments that can reconnect...
作者:J.L. Barr , G.M. Bodner ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (2)
摘要:H-mode is obtained at in the Pegasus Toroidal Experiment via Ohmic heating, high-field-side fueling, and low edge recycling in both limited and diverted magnetic topologies. These H-mode plasmas show the formation of edge current and pressure pedestals and a doubling of the...
作者:J.L. Barr , M.G. Burke ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (11)
摘要:Peeling modes are observed at the plasma edge in the Pegasus Toroidal Experiment under conditions of high edge current density ( J edge ∼ 0.1 MA m−2) and low magnetic field ( B ∼ 0.1 T) present at near-unity aspect ratio. Their macroscopic properti...

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