核能 · 全部实体（第 92 / 100 页）

本页收录第 9101–9200 条，共 10000 条 · 返回 核能 首页

• Concept of a new bolometer based on soft x-ray-UV/IR conversion with discrete lines of sight.
  europepmc 2025 置信度 0.80
• High-resolution visible spectroscopy for ion temperature and flow velocity measurements of the TCV divertor plasma.
  europepmc 2025 置信度 0.80
• Computational Estimation of Temperature-Dependent Gas Entropy of Hydrogen Isotopologues.
  europepmc Brandon J. Stratton, Emre Yildirim, Simon C. Middleburgh 2026 置信度 0.80
• A Spatial 5-Bar Linkage Analogous to the 4-Bar Linkage and with Application to Robotic Lifting of Large In-Vessel Tokamak Components Including Interaction Issues
  europepmc 2025 置信度 0.80
• Improved description of diffraction effects for phase contrast imaging with applications to magnetically confined fusion plasmas.
  europepmc 2025 置信度 0.80
• Identification of a magnetohydrodynamic trigger for plasma explosions in magnetic fusion beyond existing paradigms.
  europepmc 2025 置信度 0.80
• First Demonstration of Resonant Pitch-Angle Scattering of Relativistic Electrons by Externally Launched Helicon Waves.
  europepmc 2026 置信度 0.80
• Motion planning with inverse kinematics and statics of a breeding blanket transporter for robotic remote maintenance of the EU DEMO tokamak
  Abstract The future demonstration fusion power plant EU DEMO must be maintained remotely in reasonable time to achieve safety as well as economic viability. The largest in-vessel components which will need to be replaced are the breeding blankets (BB’s). Each …
  europepmc Hjalte Durocher, Christian Bachmann, Rocco Mozzillo, Guenter Janeschitz 等 2025 置信度 0.80
• ITER full model in MCNP for radiation safety demonstration.
  europepmc 2024 置信度 0.80
• X-Point Target Radiator Regime in Tokamak Divertor Plasmas.
  europepmc 2025 置信度 0.80
• Unlocking maintenance-architecting STEP for maintenance and realizing remountable magnet joints.
  europepmc 2024 置信度 0.80
• Soft x-ray tomography on the high field spherical tokamak ST40.
  europepmc 2024 置信度 0.80
• Turbulence-generated stepped safety factor profiles in tokamaks with low magnetic shear.
  europepmc 2025 置信度 0.80
• Real-time steerable frequency-stepped Doppler backscattering (DBS) system for local helicon wave electric field measurements on the DIII-D tokamak.
  europepmc 2025 置信度 0.80
• Integrated study of magnetohydrodynamic stability in the HL-2A tokamak.
  europepmc 2025 置信度 0.80
• An approach to create soft X-ray virtual arrays in tomography reconstruction considering non-rigid rotation of the plasma column in the tokamak
  Abstract A method was proposed to create Soft X-ray virtual arrays in tomography to study the rigid versus non-rigid rotation of the plasma column in a tokamak. The coordinate reference of the tokamak was transformed into the rotating plasma frame to generate …
  europepmc Mona AHMADI, Pejman KHORSHID, AmirHossein SARI, Jalaledin IZADIAN 2024 置信度 0.80
• Prediction of the kinetic profiles in H-mode plasma discharges on EAST using core-pedestal coupling.
  europepmc 2025 置信度 0.80
• Spontaneous evolution of density peaking factor in TEM turbulence-dominated H-mode plasma on the EAST Tokamak.
  europepmc 2025 置信度 0.80
• The infrared thermography system on the MAST-U tokamak.
  Power loading from plasma in the scrape-off layer limits the lifetime of plasma-facing components in tokamak-based power plants. The Mega Ampere Spherical Tokamak Upgrade [W. Morris et al., IEEE Trans. Plasma Sci. 46(5), 1217–1226 (2018)] (MAST-U) features fou…
  europepmc J. M. Stobbs, A. Tookey, A. J. Thornton, T. Farley 2024 置信度 0.80
• Staying positive: producing net power.
  europepmc 2024 置信度 0.80
• Erratum: Noninductively Driven Tokamak Plasmas at Near-Unity Toroidal Beta [Phys. Rev. Lett. 119, 035001 (2017)].
  europepmc 2025 置信度 0.80
• High-Frequency Nongyrokinetic Turbulence at Tokamak Edge Parameters.
  First of a kind 6D-Vlasov computer simulations of high frequency ion Bernstein wave turbulence for parameters relevant to the tokamak edge show transport comparable to sub-Larmor-frequency gyrokinetic turbulence. The customary restriction of magnetized plasma …
  europepmc M. Raeth, K. Hallatschek 2024 置信度 0.80
• Assessment of Neutron Radiation Effects on the Fiber Optics Current Sensor Performance During JET DTE2 Experimental Campaign.
  europepmc 2025 置信度 0.80
• Design, fabrication new structures of thin-film probes for plasma magnetic field diagnostics.
  europepmc 2025 置信度 0.80
• Synthetic measurements of runaway electron synchrotron emission in the SPARC tokamak.
  europepmc 2024 置信度 0.80
• Active Disruption Avoidance and Trajectory Design for Tokamak Ramp-downs with Neural Differential Equations and Reinforcement Learning
  Abstract The tokamak offers a promising path to fusion energy, but disruptions pose a major economic risk, motivating advances in disruption avoidance. This work develops a reinforcement learning approach to this problem by training a policy to safely ramp-dow…
  europepmc Allen Wang, Oswin So, Charles Dawson, Darren Garnier 等 2024 置信度 0.80
• First-Principles Explanation of the Drift Configuration Dependence of the Radial Electric Field and High-Confinement Access in Tokamaks.
  The origin of the difference in the high-confinement (H-mode) power threshold between favorable and unfavorable drift configurations in tokamaks-experimentally linked to a deeper radial electric field (E_{r}) well in the former-remains unresolved. Using first-…
  pubmed Frei BJ, Bilato R, Grover O, Zholobenko W 等 2026 Jul 17 置信度 0.82
• Dynamical Pathway to Radiative Divertor Driven by Transient X-Point Vortex in Tokamaks.
  Recent X-point radiator (XPR) experiments in L-mode plasmas of the tungsten-W Environment in Steady-state Tokamak (WEST) tokamak show that a stable radiative ring can be sustained above the X point for approximately 70 s, on timescales not limited by intr…
  pubmed Yang H, Fedorczak N, Ciraolo G, Serre E 等 2026 Jul 17 置信度 0.82
• Observation of Penning electron detachment from H- induced by metastable H*/Ng* atoms (Ng = He, Ne, Ar, Kr, Xe).
  In Penning detachment, the excess electron of an anion is detached during the anion's collision with an electronically excited neutral species (A- + N* → A + N + e-). Penning detachment of H- has special relevance to the dynamics of stellar atmospheres …
  pubmed Chiba T, Wang S, Foreman K, Blankenhorn M 等 2026 Jul 28 置信度 0.82
• Impact of ECRH on runaway electron generation during plasma disruptions in the HL-3 tokamak.
  This work investigates the impact of Electron Cyclotron Resonance Heating (ECRH) on runaway electron (RE) generation during MGI-triggered disruptions on the HL-3 tokamak. During these disruptions, a large RE current is formed, primarily through the hot tail ge…
  pubmed Wisitsorasak A, Rongpuit K, Sangaroon S, Zhang Y 等 2026 Jun 25 置信度 0.82
• Escape dynamics in a Hamiltonian map for double-null diverted tokamaks.
  We introduce a simple symmetric Hamiltonian map that models the magnetic field lines of a double-null diverted tokamak and compare its behavior with the corresponding symmetric single-null map. The phase-space structure of both models is characterized using th…
  pubmed Amaral LNA, Szezech JD, Caldas IL 2026 May 置信度 0.82
• Experimental evidence of ambient turbulence preceding the thermal quench of disruptive plasmas.
  Plasma disruption in tokamaks is one of the most serious challenges in fusion research. Recent studies suggest that microturbulence may play an important role in facilitating thermal quench (TQ) and resultant disruptions, but experimental evidence on the impac…
  pubmed Li YC, Xu Y, Jiang M, Cheng J 等 2026 May 置信度 0.82
• Metal foil infrared bolometer for measurement of toroidal radiation asymmetry during plasma disruption mitigation experiments in ADITYA-U tokamak.
  A metal foil infrared (IR) bolometer has been developed and installed at multiple toroidal locations in the ADITYA-U tokamak to study toroidal radiation asymmetry during plasma disruption mitigation scenarios. The diagnostic uses a graphite-blackened platinum …
  pubmed Kumawat AK, Pandya SN, Pandya SP, Ghosh J 2026 Jun 1 置信度 0.82
• Molecular dynamics of deuterium plasma on TiB₂ sputtering in tokamak wall surfaces for Shannon entropy of computation.
  Maintaining the plasma core process for generating heat energy-which a turbine uses to generate electricity-is the major objective of creating Tokamak reactor fusion technology. Solving Tokamak reactor process difficulties is a substantial task owing to plasma…
  pubmed Pahsa A 2026 Jun 1 置信度 0.82
• Quasi-monoenergetic deuteron acceleration via boosted coulomb explosion by reflected picosecond laser pulse.
  Generation of quasi-monoenergetic ions by intense laser is one of long-standing goals in laser-plasma physics. However, existing laser-driven ion acceleration schemes often produce broad energy spectra and limited control over ion species. Here we propose the …
  pubmed Wei T, Lan Z, Arikawa Y, Gu Y 等 2026 May 29 置信度 0.82
• Design and implementation of a thermoelectric cooler-based temperature control system for the resonator tube wall of an optically pumped terahertz gas laser.
  A thermoelectric cooler (TEC)-based temperature control system is developed for the resonator tube wall of an optically pumped terahertz gas laser, which serves as the light source of a polarimeter-interferometer system applied in tokamak device diagnostics. T…
  pubmed Zou Z, Zhao J, Xie J, Wu S 等 2026 May 1 置信度 0.82
• Improvement in the Sensitivity and Reproducibility of Laser-Induced Soil Plasma Produced in a Microwave Environment.
  This study investigated the influence of microwave (MW) on signal enhancement, shot-to-shot repeatability of emission signals, and parameters of laser-induced plasma (LIP) of soil samples. A neodymium-doped yttrium aluminum garnet (Nd:YAG) laser working at its…
  pubmed Khan MR, Haq SU, Abbas Q, Khan R 等 2026 May 26 置信度 0.82
• Evidence of Nonlinear Coupling in the Edge Harmonic Oscillation Sustaining Quiescent High Confinement in a Tokamak Plasma.
  In a tokamak plasma, we measure nonlinear coupling between harmonics comprising a saturated edge oscillation, as predicted by nonlinear magnetohydrodynamic simulations. The coherent structure formed by this coupling suppresses bursty edge-localized modes that …
  pubmed Myers RA, Sarff JS, Chapman BE, McCollam KJ 等 2026 May 8 置信度 0.82
• Computational Estimation of Temperature-Dependent Gas Entropy of Hydrogen Isotopologues.
  A validated computational framework is presented for estimating the temperature-dependent entropy of hydrogen isotopologues using first-principles calculations. By applying statistical thermodynamic models to vibrational and rotational parameters derived from …
  pubmed Stratton BJ, Yildirim E, Middleburgh SC 2026 May 12 置信度 0.82
• Self-mediation of runaway electrons via self-excited wave-wave and wave-particle interactions.
  Nonlinear dynamics of runaway electron induced wave instabilities can significantly modify the runaway distribution critical to tokamak operations. Here we present a fully kinetic simulation of runaway-driven instabilities toward nonlinear saturation in a warm…
  pubmed Zhang Q, Zhang Y, Tang Q, Tang XZ 2026 Apr 置信度 0.82
• Real-time detection system for magnetic island position of the neoclassical tearing mode in plasma.
  A dedicated real-time detection system (NTM-RTDS) has also been developed to determine the radial position of neoclassical tearing mode (NTM) magnetic islands. Built upon the LabVIEW real-time framework and PXIe architecture, it adopts a distributed upper-lowe…
  pubmed Zhang W, Zhang Y, Liu X, Liu Y 等 2026 May 1 置信度 0.82
• Optimization of the magnetic difference calibration method on Huan Liu-3 tokamak.
  Blackbody in situ calibration is a standard method for Electron Cyclotron Emission (ECE) diagnostics but involves complex in-vessel hardware that poses maintenance challenges. To provide a robust relative calibration strategy, the Magnetic Difference Calibrati…
  pubmed Yu X, Shi YF, Li ZJ, Wang Z 等 2026 May 1 置信度 0.82
• Resonant amplification of zonal flow driven by the negative mass instability in tokamak plasma.
  We investigate the formation of Bernstein-Greene-Kruskal-type E×B staircase equilibrium in the presence of energetic ions. We show that such staircase solutions, which display crucial kinetic features and which propagate like coherent electrostatic struct…
  pubmed Ghizzo A, Del Sarto D 2026 Mar 置信度 0.82
• Impact of Resonant Magnetic Perturbations on the Toroidal Location of the Runaway Electron Final Loss Strike Point.
  It is demonstrated that the peak toroidal impact phase of the post-disruption runaway electrons (REs) can be varied shot to shot by means of applied static nonaxisymmetric (3D) magnetic fields, or resonant magnetic perturbations (RMPs). In the experiments, hig…
  pubmed Marini C, Hollmann EM, Bai X, Tang SW 等 2026 Mar 27 置信度 0.82
• Turbulence-Driven Edge-Localized-Mode-Free High-Confinement Mode with Divertor Detachment in a Metal-Wall Tokamak.
  We report the first demonstration of a minute-scale, edge-localized-mode-free high-confinement plasma regime compatible with divertor partial detachment and enhanced pedestal performance in a metal-wall tokamak, the Experimental Advanced Superconducting Tokama…
  pubmed Xu GS, Ding GF, Zhang GJ, Wang YF 等 2026 Mar 27 置信度 0.82
• High-fidelity tomographic reconstruction for infrared video bolometers through physics-based background radiation modeling.
  Precise control of radiation losses from impurities remains a critical challenge for achieving stable operation in fusion plasmas. Infrared video bolometers (IRVBs) are an important diagnostic tool for visualizing the spatial distribution of radiated power in …
  pubmed Han YS, Oh S, Choe W 2026 Apr 1 置信度 0.82
• Proposal for the first deuterium-tritium plasma experiment in China: a critical step toward fusion energy on the HL-3 tokamak.
  pubmed Chen W, Zhong W, Xue L, Ji X 等 2026 Apr 30 置信度 0.82
• First results from testing of the full ITER hard x-ray monitor prototype on the ADITYA Upgrade tokamak.
  For the first time, the full prototype of the ITER Hard X-Ray (HXR) monitor (HXRM) system has been successfully tested in a tokamak environment during the experimental campaign in the ADITYA Upgrade tokamak located at the Institute for Plasma Research. Unlike …
  pubmed Nowak Vel Nowakowski P, Pandya SP, Makowski D, Liu Y 等 2026 Mar 1 置信度 0.82
• Fast Turbulence Phase Transition in a Flux-Driven Global Edge-SOL Simulation of a Tokamak Plasma.
  A power ramp from L- to H-mode-like conditions is carried out in a 50 ms long global full-f turbulence simulation of ASDEX Upgrade with the grillix code. After 32 ms of slow profile evolution, a sudden change in transport triggers a pedestal buildup …
  pubmed Zholobenko W, Jenko F, Zhang K, Ulbl P 等 2026 Feb 20 置信度 0.82
• A MINi Powder INjector (MINPIN) for the SMART tokamak.
  This article presents the design and performance characterization of a MINi Powder INjector (MINPIN) developed for boron wall conditioning (boronization) in the SMall Aspect Ratio Tokamak (SMART) at the University of Seville, Spain. SMART studies positive and …
  pubmed Abe S, Luby A, Rodriguez-Gonzalez A, Nespoli F 等 2026 Mar 1 置信度 0.82
• Development of Charge eXchange Recombination Spectroscopy (CXRS) edge plasma diagnostic system for International Thermonuclear Experimental Reactor (ITER).
  Charge eXchange Recombination Spectroscopy (CXRS) is a powerful diagnostic tool for hot plasmas, widely used on modern tokamaks and stellarators for measuring ion temperature, rotation velocity, and low-Z impurity concentration. Three CXRS diagnostics, observi…
  pubmed Pavlova GS, Tugarinov SN, Kuzmin NV, Serov VV 等 2026 Mar 1 置信度 0.82
• A novel method for thermal noise reduction, enabling measurements of broadband, low-amplitude electron temperature fluctuations using individual radiometer channels.
  A new analysis method has been developed for measurements of broadband, low-amplitude turbulent electron temperature fluctuations in fusion plasmas using individual radiometer channels of a correlation electron cyclotron emission diagnostic. This method takes …
  pubmed Yoo C, Conway GD, Schellpfeffer J, Bielajew R 等 2026 Mar 1 置信度 0.82
• Axisymmetric Eigenmodes Excited by Alpha Particle Energy Gradients in JET D-T Plasmas.
  Axisymmetric Alfvén eigenmodes have been observed at the plasma edge in deuterium-tritium (D-T) tokamak plasmas externally heated only by neutral beam injection in JET. The modes were detected only in D-T plasmas, not in pure D plasmas, indicating excitat…
  pubmed Oliver HJC, King D, Štancar Ž, Sharapov SE 等 2026 Feb 6 置信度 0.82
• Machine-learning-based high-temporal-resolution electron temperature evaluation from photomultiplier tube signals in GAMMA 10/PDX: A tandem mirror plasma confinement device.
  In this study, we propose a new method of electron temperature (Te) measurements with higher temporal resolution using a photomultiplier tube combined with machine learning (ML). It has been demonstrated that Te can be evaluated from Balmer series emissions D&…
  pubmed Okamoto T, Ezumi N, Masuya C, Kunii A 等 2026 Feb 1 置信度 0.82
• First Demonstration of Resonant Pitch-Angle Scattering of Relativistic Electrons by Externally Launched Helicon Waves.
  Helicon waves (also known as whistler waves) satisfying the normal wave-particle cyclotron resonance are observed to limit the growth and maximum energy of relativistic electrons (REs) in low-density Ohmic DIII-D tokamak plasmas. Following the application of h…
  pubmed Choudhury H, Battey A, Paz-Soldan C, Lestz J 等 2026 Jan 16 置信度 0.82
• Effects of Geometric Curvature and Weak Magnetic Shear on the Ion-Temperature-Gradient Instability Near the Magnetic Axis in a Tokamak.
  Global gyrokinetic simulation of the ion temperature gradient mode shows that the radial electric field, E_{r} well, upshifts the critical temperature gradient near the magnetic axis, in the weak but not in the strong magnetic shear (s) configuration. The geom…
  pubmed Wu T, Wang S 2026 Jan 9 置信度 0.82
• Thermalization times and scaling laws for alpha particles and hydrogen isotopes in Tokamak plasmas.
  Thermalization times of light ions in fusion plasmas are calculated using quantum and semiclassical dielectric models for the interaction of external particles with plasma electrons and ions. An accurate analytical approximation is obtained, which combines a c…
  pubmed Archubi CD, Arista NR 2025 Dec 置信度 0.82
• Microturbulence Suppression by Alfvén Eigenmodes in the DIII-D Tokamak.
  Mitigation and suppression of low-k turbulence are observed during the nonlinear evolution of toroidicity-induced Alfvén eigenmodes (TAEs) in DIII-D experiments. Turbulence mitigation begins when the dominant TAE starts to depart from the typical shear Al…
  pubmed Du XD, Heidbrink WW, Yan Z, Diamond PH 等 2025 Dec 31 置信度 0.82
• Observation of quantum effects on radiation reaction in strong fields.
  Radiation reaction, the force experienced by an accelerated charge due to radiation emission, has long been the subject of extensive theoretical and experimental research. Experimental verification of a quantum, strong-field description of radiation reaction i…
  pubmed Los EE, Gerstmayr E, Arran C, Streeter MJV 等 2026 Jan 13 置信度 0.82
• Occupancy-Aware Neural Distance Perception for Manipulator Obstacle Avoidance in the Tokamak Vacuum Vessel.
  Accurate distance perception and collision reasoning are crucial for robotic manipulation in the confined interior of tokamak vacuum vessels. Traditional mesh- or voxel-based methods suffer from discretization artifacts, discontinuities, and heavy memory requi…
  pubmed Li F, Chou W 2025 Dec 27 置信度 0.82
• Accessing the density-free regime with ECRH-assisted ohmic start-up on EAST.
  High plasma density operation is crucial for a tokamak to achieve energy breakeven and burning plasma. However, there is often an empirical upper limit of electron density in tokamak operation, namely, the Greenwald density limit [Formula: see text], above whi…
  pubmed Liu J, Zhu P, Escande DF, Liu W 等 2026 Jan 2 置信度 0.82
• Optimization and active stabilization of a far-infrared laser for NSTX-U high poloidal wavenumber scattering diagnostics.
  The far-infrared (FIR) laser output beam power and profile are important parameters in the laser-aided diagnostics, directly influencing the spatial resolution and signal-to-noise ratio of measurements. This work focuses on developing a systematic control meth…
  pubmed Xu X, Dannenberg J, Domier C, Zhu Y 等 2025 Dec 1 置信度 0.82
• Combined Influence of Rotation and Scrape-Off Layer Drifts on Recycling Asymmetries in Tokamak Plasmas.
  Coupled 2D fluid-kinetic simulations of a DIII-D high confinement tokamak plasma show that plasma rotation coupled with drift effects near the plasma edge play a significant role in the creation of the observed poloidal distribution of neutrals. It is observed…
  pubmed Emdee ED, Horvath L, Bortolon A, Gerrú R 等 2025 Nov 26 置信度 0.82
• Coherent-Phase Optical Time Domain Reflectometry for Monitoring High-Temperature Superconducting Magnet Systems.
  High-temperature superconductor (HTS) magnet systems, especially those designed for fusion reactors, require effective and reliable monitoring to avoid damaging anomalies. In tokamaks, some of the magnetic coils are time-dependent, which causes strain and larg…
  pubmed Leoschke M, Lo W, Yartsev V, Rountree SD 等 2025 Dec 3 置信度 0.82
• Improved description of diffraction effects for phase contrast imaging with applications to magnetically confined fusion plasmas.
  We present an improved diffraction model for phase contrast imaging (PCI), relevant to the measurement of electron density fluctuations in magnetically confined fusion plasmas. The model applies to optical systems containing multiple special components, such a…
  pubmed Hansen SK, Porkolab M, Rost JC, Bähner JP 等 2025 Dec 1 置信度 0.82
• Effect of convective transport in edge and scrape-off-layer plasmas of ADITYA-U tokamak.
  The 2-D edge plasma fluid transport code, UEDGE has been used to simulate the edge and scrape-off layer regions of circular limiter plasmas of ADITYA-U. The computational mesh defining the limiter geometry of ADITYA-U has been introduced in the UEDGE code thro…
  pubmed Dey R, Chowdhuri MB, Ghosh J, Macwan TM 等 2025 Dec 6 置信度 0.82
• Taming harmful bursts and heat flux in high-confinement tokamak plasmas.
  A major challenge in tokamak fusion research is first-wall erosion caused by steady heat loads and sudden energy bursts known as edge-localized modes. Divertor detachment reduces steady-state heat flux, while resonant magnetic perturbations can suppress these …
  pubmed Hu QM, Wang HQ, Navarro M, Wang HH 等 2025 Dec 5 置信度 0.82
• Concept of a new bolometer based on soft x-ray-UV/IR conversion with discrete lines of sight.
  We present the concept of a new bolometer based on soft x-ray-UV to IR conversion with a high-Z foil and individual Lines of Sight (LOS). A solid block collimator is used with drilled channels defining the LOS. Each LOS is equipped with a separate metallic cir…
  pubmed Devynck P, Antar GY 2025 Dec 1 置信度 0.82
• High-resolution visible spectroscopy for ion temperature and flow velocity measurements of the TCV divertor plasma.
  A high-resolution spectroscopic system was installed on the Tokamak à Configuration Variable (TCV), whose toroidal lines-of-sight (LOS) cross the divertor region. This system simultaneously measures the Doppler broadening and Doppler shift of several spec…
  pubmed Ducker R, Mykytchuk D, Duval BP, Reimerdes H 等 2025 Dec 1 置信度 0.82
• SINDy-RL for interpretable and efficient model-based reinforcement learning.
  Deep reinforcement learning (DRL) has shown significant promise for uncovering sophisticated control policies that interact in complex environments, such as stabilizing a tokamak fusion reactor or minimizing the drag force on an object in a fluid flow. However…
  pubmed Zolman N, Lagemann C, Fasel U, Kutz JN 等 2025 Nov 28 置信度 0.82
• Multi-scale Interaction Mechanism for Edge-Localized-Mode Suppression in the Tokamak Edge.
  A central challenge in fusion energy is reconciling the high-confinement mode required for reactor performance with the intense intermittent relaxation events it produces, known as edge-localized modes. These instabilities arise in the steep pressure pedestal …
  pubmed Li Z, Diamond PH, Chen X, Khabanov F 等 2025 Nov 21 置信度 0.82
• Edge-localized-mode heat load effects on plasma-facing materials studied using runaway electrons in the Damavand tokamak.
  Edge localized modes (ELMs) and runaway electrons (REs) pose significant challenges for all tokamak devices. Both phenomena act as potent heat sources, potentially shortening the lifespan of plasma-facing materials (PFMs). These thermal loads can manifest in v…
  pubmed Masoudi A, Iraji D, Rasouli C 2025 Oct 置信度 0.82
• Turbulence-generated stepped safety factor profiles in tokamaks with low magnetic shear.
  Nonlinear local and global gyrokinetic simulations of tokamak plasmas demonstrate that turbulence-generated currents flatten the safety factor profile near low-order rational surfaces when magnetic shear is low, even when the plasma β is small. A large s…
  pubmed Volčokas A, Ball J, Di Giannatale G, Brunner S 2025 Oct 置信度 0.82
• Assessment of Neutron Radiation Effects on the Fiber Optics Current Sensor Performance During JET DTE2 Experimental Campaign.
  Fibre Optics Current Sensor (FOCS) will be used at ITER to perform plasma current measurement during quasi-steady state D-T plasma operation. Effects of the tokamak harsh environment on the FOCS performance must be evaluated to predict possible failure modes a…
  pubmed Gusarov A, Beaumont P, Jet Contributors 2025 Oct 24 置信度 0.82
• Design and calibration experiment of a two-photon absorption laser induced fluorescence diagnostic system for the Huanliu-3 tokamak.
  A two-photon absorption laser induced fluorescence (TALIF) diagnostic system is designed for measuring the density of deuterium atoms in the scrape-off laser (SOL) region of the Huanliu-3 (HL-3) tokamak. The system employs laser pulses at 10 Hz with an en…
  pubmed Wang CY, Xiao WW, Xiao GL, Tynan GR 等 2025 Nov 1 置信度 0.82
• Design, fabrication new structures of thin-film probes for plasma magnetic field diagnostics.
  Accurate magnetic field diagnostics are critical for understanding plasma behavior in magnetically confined fusion devices. While conventional inductive probes are widely used, their hand winding construction leads to limitations in mechanical stability and me…
  pubmed Li Z, Lu L, Gu C, Liu H 等 2025 Oct 1 置信度 0.82
• Neutral particle analyzer for plasma diagnostics on tokamak ST40.
  A neutral particle analyzer was designed and implemented for plasma diagnostics on the spherical tokamak ST40. The diagnostic aims to measure both the bulk ion temperature (0.5-10 keV) and the energy distribution of fast ions generated by a neutral beam i…
  pubmed Polosatkin S, Belykh V, Rovenskikh A 2025 Oct 1 置信度 0.82
• Learning plasma dynamics and robust rampdown trajectories with predict-first experiments at TCV.
  The rampdown phase of a tokamak pulse is difficult to simulate and often exacerbates multiple plasma instabilities. To reduce the risk of disrupting operations, we leverage advances in Scientific Machine Learning (SciML) to combine physics with data-driven mod…
  pubmed Wang AM, Pau A, Rea C, So O 等 2025 Oct 6 置信度 0.82
• Comprehensive analysis of disruption mitigation methods using gas and pellet-like injections in ITER-like Tokamaks.
  Inert-gas shielding could be an effective mechanism for protection of plasma facing surfaces (PFS) against plasma particles impact and photon radiation heat loads during transient events in fusion devices. Neutral gas injection is one promising way to mitigate…
  pubmed Sizyuk V, Hassanein A 2025 Sep 22 置信度 0.82
• Development of a limiter-like Langmuir probe system for the Q-shu university experiment with steady-state spherical tokamak (QUEST) all-metal device.
  A limiter-like Langmuir probe system was developed to measure scrape-off layer (SOL) plasmas in the Q-shu University Experiment with a steady-state Spherical Tokamak (QUEST) all-metal device. The system is mainly made of metals such as tungsten to keep compati…
  pubmed Nagashima Y, Hanada K, Zushi H, Idei H 等 2025 Sep 1 置信度 0.82
• X-ray crystal spectrometer throughput, data treatment, and configuration over the JET DTE2 and DTE3 campaigns.
  The calibration of the JET x-ray spectrometer is presented. The absolute throughput, diffractor focusing, and instrument function of the spectrometer are presented, and the quality of the ion temperature measurement is re-assessed, particularly at the lower en…
  pubmed Patel AM, Hawkes NC, Zastrow KD, O'Mullane M 等 2025 Sep 1 置信度 0.82
• A lanthanum bromide detector of runaway electrons for TCV.
  The safe control and dissipation of Runaway Electrons (REs) generated in tokamak plasmas is vital for the operation of future fusion reactors. Measuring the evolution of RE energy in tokamaks is important for understanding their generation, transport, and term…
  pubmed Simons L, Cerovsky J, Decker J, Duval BP 等 2025 Sep 1 置信度 0.82
• Investigating Helium-Induced Thermal Conductivity Degradation in Fusion-Relevant Copper: A Molecular Dynamics Approach.
  Copper alloys are critical heat sink materials for fusion reactor divertors due to their high thermal conductivity (TC) and strength, yet their performance under extreme particle bombardment and heat fluxes in future tokamaks requires enhancement. While neutro…
  pubmed Yu X, Wang H, Huang H 2025 Aug 6 置信度 0.82
• Design and upgrades of the TCV fast ion loss detector.
  The Tokamak à Configuration Variable has a unique Fast Ion Loss Detector (FILD) that allows the simultaneous measurement of co- and counter-current fast-ion losses in forward or reverse magnetic field. Recently, multiple novel upgrades have been implement…
  pubmed Poley-Sanjuán J, Clément A, Fasoli A, Karpushov AN 等 2025 Aug 1 置信度 0.82
• Neutral pressure measurement in TCV tokamak using ASDEX-type pressure gauges.
  Probing the neutral gas distribution at the edge of magnetic confinement fusion devices is critical for plasma exhaust studies. In the TCV tokamak, a set of ASDEX-type hot ionization pressure gauges (APGs) has been installed for fast, in situ measurements of t…
  pubmed Sun G, Reimerdes H, Elaian H, Baquero-Ruiz M 等 2025 Aug 1 置信度 0.82
• Development and application of an ion sensitive probe for helicon plasma diagnostics.
  This study focuses on the design and application of an Ion Sensitive Probe (ISP) for the PKU Plasma Test (PPT) device, marking the first implementation of the ISP in a large-diameter helicon plasma device with a single-loop antenna discharge. The strong influe…
  pubmed Chen G, Yuan R, Zhang Z, Xu T 等 2025 Jul 1 置信度 0.82
• Ensuring the structural integrity of tokamak fusion power plants: challenges, progress and pathway.
  Structural integrity for fusion is an integrated multi-disciplinary subject spanning the science of materials, technology, engineering, health monitoring and simulation methods and algorithms for scrutinizing the assurance of reliable fusion reactor performanc…
  pubmed Wang Y, Aiello G, Pintsuk G, Terentyev D 等 2025 Jul 3 置信度 0.82
• X-ray tomographic measurement and modeling for inferring tungsten impurity distribution in WEST plasmas: A review.
  Since the advent of tungsten walls in ITER, the problem of precisely reconstructing the distribution of tungsten (W) concentration in the plasma has become all the more relevant. Among the different possible approaches, those using x-ray measurements seem part…
  pubmed Mazon D, Chernyshova M, Jardin A, Peysson Y 等 2025 Jun 1 置信度 0.82
• Fiber-optic bolometers with high-temperature tolerance and reduced time constants for fusion plasma diagnostics.
  Fiber-optic bolometers (FOBs) designed for plasma radiation measurement in magnetically confined fusion environments have been previously developed and tested at the DIII-D tokamak. These FOBs utilize a silicon Fabry-Perot interferometer at the fiber tip for t…
  pubmed Sheng Q, Wang X, Syed M, Chowdhury HR 等 2025 Jun 1 置信度 0.82
• Simultaneous two-dimensional measurement of plasma density and electron temperature evolution via multi-color gas puff imaging on the HL-3 tokamak.
  A Multi-Color Gas Puff Imaging (MC-GPI) diagnostic system has been implemented on the HL-3 tokamak, employing a helium line intensity ratio methodology for simultaneous two-dimensional (2D) measurements of plasma density and electron temperature. The system ut…
  pubmed Yu Y, Yuan JB, Wen JR, Wang WC 等 2025 Jun 1 置信度 0.82
• Significant enhancment of the accuracy of impurity determination in vacuums using classification one-point laser-induced breakdown spectroscopy.
  Laser-induced breakdown spectroscopy (LIBS) is a highly promising technique for the in-situ, real-time diagnosis of impurity deposits on the inner walls of tokamak devices. The deposited impurity on plasma-facing materials (PFCs) pose a significant risk to the…
  pubmed Bai X, Hai R, Liu Z, He Z 等 2024 Sep 23 置信度 0.82
• Estimating the neutron yield in a deuterium-tritium plasma with the JET neutron camera.
  The JET neutron camera is used to monitor a 2D profile of the neutron emission from the plasma, using 19 sightlines with plastic scintillators suited for measuring neutrons from the D + T → n + 4He (DT) reaction. This paper describes an independent, fir…
  pubmed Hägg L, Conroy S, Ericsson G, Ghani Z 等 2025 Jun 1 置信度 0.82
• Reconstruction of Tokamak Plasma Emissivity Distribution by Approximation with Basis Functions.
  The present study focuses on the development of a diagnostic system for measuring radiated power and core soft X-ray intensity emissions with the goal of detecting a broad spectrum of photon energies emitted from the central plasma region of the DEMO tokamak. …
  pubmed Czarski T, Chernyshova M, Mikszuta-Michalik K, Malinowski K 2025 May 17 置信度 0.82
• Divertor shaping with neutral baffling as a solution to the tokamak power exhaust challenge.
  Exhausting power from the hot fusion core to the plasma-facing components is one fusion energy's biggest challenges. The MAST Upgrade tokamak uniquely integrates strong containment of neutrals within the exhaust area (divertor) with extreme divertor shaping ca…
  pubmed Verhaegh K, Harrison J, Moulton D, Lipschultz B 等 2025 置信度 0.82
• X-Point Target Radiator Regime in Tokamak Divertor Plasmas.
  Fusion plasma regimes with a strongly radiating magnetic X point are promising candidates to tackle the outstanding power exhaust challenge in reactor-scale devices. In this Letter, we report on a new type of X-point radiator, the XPTR (X-point target radiator…
  pubmed Lee K, Theiler C, Carpita M, Février O 等 2025 May 9 置信度 0.82
• High definition imaging in the Mega Amp Spherical Tokamak.
  An absolutely calibrated, visible imaging diagnostic has been deployed on the MAST spherical tokamak. Two sets of three-color channels are defined using a combination of stacked multi-cavity interference filters, color-glass filter, and a color-pixel sensor. T…
  pubmed Patel AM, Conway NJ, Henderson SS 2025 May 1 置信度 0.82
• Robust monitoring of thermal and fast ions using collective Thomson scattering: Combining physics- and data-driven background estimation.
  Isolating a signal of interest from multivariate time-series is of interest for many scientific purposes. An example is the monitoring of thermal- and fast-ion dynamics with fusion plasma diagnostics such as collective Thomson scattering (CTS), which requires …
  pubmed Verdier T, Rasmussen J, Stober J, Nielsen SK 等 2025 Apr 1 置信度 0.82
• Development of x-ray imaging diagnostics on Experimental Advanced Superconducting Tokamak using Timepix3 detector.
  An x-ray imaging diagnostic system using the Timepix3 detector has recently been developed and installed on the Experimental Advanced Superconducting Tokamak (EAST). The diagnostic system measures the temporal evolution, spatial distribution, and energy spectr…
  pubmed Wang J, Yang J, Xu M, Han X 等 2025 Apr 1 置信度 0.82
• Development of a robotic calibration system for the motional Stark effect diagnostic on the EAST tokamak.
  The Motional Stark Effect (MSE) diagnostic is one of the key methods for measuring the current density distribution in magnetically confined fusion plasmas. On the Experimental Advanced Superconducting Tokamak, a calibration system based on a collaborative rob…
  pubmed Deng HQ, Fu J, Yang Y, Li YC 等 2025 Apr 1 置信度 0.82
• Measurement of Zero-Frequency Fluctuations Generated by Coupling between Alfvén Modes in the JET Tokamak.
  We report the first experimental detection of a zero-frequency fluctuation that is pumped by an Alfvén mode in a magnetically confined plasma. Core-localized Alfvén modes of frequency inside the toroidicity-induced gap (and its harmonics) exhibit thr…
  pubmed Ruiz Ruiz J, Garcia J, Barnes M, Dreval M 等 2025 Mar 7 置信度 0.82