Results 1 to 10 of about 39,641 (298)

Experiments on plasma detachment in a V-shaped slot divertor in the DIII-D tokamak [PDF]

Nuclear Fusion
Experiments in DIII-D demonstrate that the upstream plasma density to detach an un-pumped slot divertor is similar for a V-shaped and a flat-end slot, despite significantly higher neutral pressure in the V-shaped slot and in contrast to SOLPS-ITER ...
R. Maurizio, D. Thomas, J.H. Yu, T. Abrams, A.W. Hyatt, J. Herfindal, A. Leonard, X. Ma, A.G. McLean, J. Ren, F. Scotti, M.W. Shafer, G. Sinclair, H.Q. Wang, J. Watkins   +14 more
doaj   +2 more sources

First Observation of a Stable Highly Dissipative Divertor Plasma Regime on the Wendelstein 7-X Stellarator [PDF]

Physical Review Letters, 2019
Daihong Zhang, Ralf König, Yuhe Feng
exaly   +3 more sources

Dependence of particle and power dissipation on divertor geometry and plasma shaping in DIII-D small-angle-slot divertor

Nuclear Materials and Energy, 2022
Dedicated experiments in DIII-D find that magnetic shaping and divertor target geometry significantly affect the divertor plasma conditions and divertor detachment process in the small-angle-slot (SAS) divertor.
H.Q. Wang, X. Ma, R. Maurizio, H.Y. Guo, D.M. Thomas, J.G. Watkins, M.W. Shafer, A.W. Hyatt, A.L. Moser, J. Ren, A. McLean, F. Scotti, P. Stangeby   +12 more
doaj   +1 more source

The effect of impurity seeding into the closed divertor on plasma detachment in the HL-2A tokamak

Nuclear Fusion, 2023
Recent progress towards an increased understanding of detached divertor physics has been made with the highly closed divertor geometry in HL-2A. Non-intrinsic impurities were injected into the outer divertor chamber, and increased divertor neutral ...
J.M. Gao, L.Z. Cai, C.Z. Cao, H.C. Ma, R. Ke, N. Wu, Y. Hu, X.Y. Gao, C.H. Cui, Z.H. Huang, L. Nie, L. Liu, Z.C. Yang, X. Yu, Y.G. Li, M. Jiang, G.Q. Xue, W.L. Zhong, T. Wu, Z.B. Shi, L.W. Yan, X.Q. Ji, M. Xu, HL-2A Team   +23 more
doaj   +1 more source

Control of tungsten impurity source and edge transport using different gas injection with full tungsten divertor on EAST

Nuclear Materials and Energy, 2022
Tungsten (W) erosion and edge transport are investigated for EAST L-mode discharges with different gas injection. It is found that W erosion can be suppressed or mitigated by Ne or D2 seeding when divertor detachment is achieved.
R. Ding, G.L. Xu, H. Wang, F. Ding, L. Zhang, Q. Zhang, K.D. Li, J.B. Liu, S. Brezinsek, A. Kirschner, S.X. Wang, B.F. Gao, L.Y. Meng, L. Wang, H. Xie, H. Si, R. Yan, D.H. Zhu, J.L. Chen   +18 more
doaj   +1 more source

An innovative approach to the improved radiating divertor concept by supersonic molecular beam injection on HL-2A

Nuclear Fusion, 2023
The ‘puff-and-pump’ radiating divertor condition is a promising approach for the reduction of excessive thermal power loading on the divertor targets. The divertor supersonic molecular beam injection (SMBI) system installed on HL-2A strongly enhances the
G.L. Xiao, H.L. Du, D.M. Fan, W.L. Zhong, L. Xue, C.Y. Chen, J. Yin, Y.R. Zhu, B.B. Feng, J.M. Gao, Z.H. Huang, M. Jiang, J.X. Li, A.S. Liang, R.H. Tong, N. Wu, T. Wu, Z.C. Yang, X. Yu, Y.Y. Zhong   +19 more
doaj   +1 more source

Measurements of heat flux components due to charged and non-charged particles in DIII-D divertor near and under detachment

Nuclear Materials and Energy, 2023
Surfacing Eroding Thermocouples (SETC) have been used to provide high spatial and temporal resolution heat flux measurement in DIII-D. SETCs were first tested in the lower divertor of DIII-D using the Divertor Material Evaluation System (DiMES), then an ...
J. Ren, D.C. Donovan, J.G. Watkins, H.Q. Wang, X.X. Ma, R. Maurizio, M.W. Shafer, D. Rudakov, P.C. Stangeby, D. Thomas, S. Hong   +10 more
doaj   +1 more source

Evaluation of NVIDIA Xavier NX Platform for Real-Time Image Processing for Plasma Diagnostics

Energies, 2022
Machine protection is a core task of real-time image diagnostics aiming for steady-state operation in nuclear fusion devices. The paper evaluates the applicability of the newest low-power NVIDIA Jetson Xavier NX platform for image plasma diagnostics ...
Bartłomiej Jabłoński, Dariusz Makowski, Piotr Perek, Patryk Nowak vel Nowakowski, Aleix Puig Sitjes, Marcin Jakubowski, Yu Gao, Axel Winter, The W-X Team   +8 more
doaj   +1 more source

Radiation characteristics of detached divertor plasmas in W7-X

Nuclear Materials and Energy, 2022
Detached divertor plasmas has been achieved by density ramp in W7-X. During the transition into detachment, the main divertor radiation region moves from the region close to the divertor targets to the region around LCFS.
E. Wang, R. König, M. Krychowiak, S. Brezinsek, P. Drews, D. Gradic, M. Jakubowski, P. Kornejew, T. Kremeyer, C. Killer, Y. Liang, O. Neubauer, A. Pandey, L. Rudischhauser, S. Sereda, G. Schlisio, S. Xu   +16 more
doaj   +1 more source

Recent progress of plasma exhaust concepts and divertor designs for tokamak DEMO reactors

Nuclear Materials and Energy, 2023
The power exhaust concept and an appropriate divertor design are common critical issues for tokamak DEMO design activities which have been carried out in Europe, Japan, China, Korea and the USA.
N. Asakura, K. Hoshino, S. Kakudate, F. Subba, J.-H. You, S. Wiesen, T.D. Rognlien, R. Ding, S. Kwon   +8 more
doaj   +1 more source