Results 71 to 80 of about 12,695 (229)

On the impact of temperature gradient flattening and system size on heat transport in microtearing turbulence

open access: yesNuclear Fusion, 2023
Microtearing instability is one of the major sources of turbulent transport in high- β tokamaks. These modes lead to very localized transport at low-order rational magnetic field lines, and we show that flattening of the local electron temperature ...
Ajay C.J., B.F. McMillan, M.J. Pueschel
doaj   +1 more source

Quantum Iterative Methods for Solving Differential Equations with Application to Computational Fluid Dynamics

open access: yesAdvanced Quantum Technologies, Volume 9, Issue 2, February 2026.
Quantum algorithms for differential equations are developed with applications in computational fluid dynamics. The methods follow an iterative simulation framework, implementing Jacobi and Gauss–Seidel schemes on quantum registers through linear combinations of unitaries.
Chelsea A. Williams   +4 more
wiley   +1 more source

Experimental scaling of compressional Alfvén eigenmode stability

open access: yesNuclear Fusion
Both co-propagating and counter-propagating compressional Alfvén eigenmodes (CAE) are relatively ubiquitous in NSTX plasmas with toroidal field strengths of ⩽4.65 kG, but are largely absent in the NSTX-U plasmas with toroidal fields of 5.7–5.9 kG.
E.D. Fredrickson
doaj   +1 more source

Relation between porosity‐based and crystal‐based femtosecond laser‐induced nanogratings in oxide glasses

open access: yesInternational Journal of Applied Glass Science, Volume 17, Issue 1, January 2026.
Abstract Femtosecond laser irradiation in glass, under controlled conditions, can induce two types of nanogratings (NG): porous nanogratings (pNG) and crystal/glass nanogratings (cNG). While most glasses exhibit only one type, binary aluminosilicate glasses have shown both types of NG.
Imane Ktafi   +3 more
wiley   +1 more source

Magneto‐Thermal Assessment of Ferrofluid Flow in Corrugated Porous Domain With Rotating Cylinder for Nuclear Systems

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
This research presents a novel approach by combining magnetohydrodynamic (MHD) flow with ohmic heating to investigate the conjugate mixed convective transport of ferrofluid in a discretely heated, smooth/wavy‐walled, square‐shaped porous compartment featuring a clockwise spinning cylindrical body positioned at various locations.
Nahid Hasan   +4 more
wiley   +1 more source

A Review of Multilevel Decision and Game‐Theoretic Approaches to Nuclear Technology Innovation Management for Sustainable Energy Transitions

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
Nuclear technology innovation management plays a key role in the global energy transition and the development of low‐carbon economy. This paper, as a comprehensive review, systematically discusses the complex decision‐making process in nuclear technology innovation, based on the framework of multilevel decision theory and game theory.
Lefeng Cheng   +7 more
wiley   +1 more source

X-ray spectroscopy on tokamaks [PDF]

open access: yes, 1982
During the last decade, the x-ray spectroscopy of high temperature plasmas has witnessed a rapid development. Most of the impulses have come from astrophysics, in particular, from the research on solar flares.
Von Goeler, S., Bitter, M., Cohen, S.
core  

Shaping the Future of Energy: Breakthrough Additive Manufacturing (3D) Technologies for Renewables

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
Additive manufacturing (AM), a rapidly growing field of application, is widely used to create environmentally friendly energy production and storage systems. This study presents a comprehensive analysis of recent developments in the production of renewable energy systems (RESs) using AM technologies, focusing on advantages, challenges, and possible ...
Gülbahar Bilgiç Tüzemen   +7 more
wiley   +1 more source

Energy confinement in tokamaks [PDF]

open access: yes, 1986
A straightforward generalization is made of the ohmic heating energy confinement scalings of Pfeiffer and Waltz and Blackwell et. al. The resulting model is systematically calibrated to published data from limiter tokamaks with ohmic, electron cyclotron,
C. Singer   +3 more
core   +1 more source

Isotope impact on Alfvén eigenmodes and fast ion transport in DIII-D

open access: yesNuclear Fusion
Measurements of beam driven Alfvén Eigenmode (AE) activity in matched deuterium (D) and hydrogen (H) DIII-D plasmas show a dramatic difference in unstable mode activity and fast ion transport for a given injected beam power.
M.A. Van Zeeland   +12 more
doaj   +1 more source

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