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Workshop at Data and Planning Center of NIFS in 2003 "Assesment of Fusion R&D" - The Critical Issues of Demonstration Fusion Reactor - [PDF]

open access: yes, 2004
実証炉を構想しそれに至る課題を整理することは、核融合研究開発の現状を評価するうえで最も適切な作業のひとつと考えた。磁場閉じ込めと慣性閉じ込め核融合に共通な課題は経済性の改善である。また、磁場閉じ込めではトカマクもヘリカルも将来性のあるダイバータの開発は共通である。 経済性に関しては先進トカマクや高速点火方式のレーザ慣性核融合の提案が出てきている。さらにダイバータに関しては可動型や外置き型の研究が進められている。これらの要約は添付した。In order to asses the fusion ...
TAZIMA, Teruhiko   +2 more
core   +1 more source

Mid Century Carbon Free Sustainable Energy Development Based on Fusion Breeding

open access: yesIEEE Access, 2018
Fusion has often been billed as the ultimate 21st century sustainable energy source. However, not only is the pace of the program glacially slow, it seems to recede further and further into the future.
Wallace Manheimer
doaj   +1 more source

Measurement and Verification of Trace Components in Neon by Gas Chromatography

open access: yesHe huaxue yu fangshe huaxue, 2022
In order to complete the tritium production of irradiated tritium breeder in the solid tritium breeder reactor of fusion reactor, in addition to the conventional ionization chamber, a high-precision gas chromatography on-line detection and analysis ...
YANG Li-ling, ZHAN Qin, YANG Hong-guang
doaj   +1 more source

Preliminary Design of the Electrical Power Systems for DTT Nuclear Fusion Plant

open access: yesApplied Sciences, 2021
The realization of the Divertor Tokamak Test (DTT) facility is one of the key milestones of the European Roadmap, aiming to explore alternative power exhaust solutions for DEMO, the first nuclear-fusion power plant that will be connected to the European ...
Marzia Caldora   +3 more
doaj   +1 more source

Optimization of tritium breeding ratio in ARC reactor

open access: yes, 2020
Submitted for publication in Fusion Engineering and DesignAffordable Robust Compact reactor is a conceptual design for a Tokamak conceived by Massachusetts Institute of Technology (MIT) researchers.
Zucchetti, Massimo   +4 more
core   +2 more sources

A Review of Fusion and Tokamak Research Towards Steady-State Operation: A JAEA Contribution

open access: yesEnergies, 2010
Providing a historical overview of 50 years of fusion research, a review of the fundamentals and concepts of fusion and research efforts towards the implementation of a steady state tokamak reactor is presented.
Mitsuru Kikuchi
doaj   +1 more source

Accelerator based fusion reactor

open access: yesNuclear Fusion, 2017
A feasibility study of fusion reactors based on accelerators is carried out. We consider a novel scheme where a beam from the accelerator hits the target plasma on the resonance of the fusion reaction and establish characteristic criteria for a workable reactor. We consider the reactions $ d + t \rightarrow n + α, d + {}^3H_e \rightarrow p + α$, and $p
Liu, Keh-Fei, Chao, Alexander Wu
openaire   +2 more sources

Investigating the Low‐Temperature Phase Stability of the Binary Ta–W System

open access: yesAdvanced Engineering Materials, EarlyView.
Atomistic simulations show that the binary Ta–W system forms ordered intermetallic phases, B2‐TaW and D03‐TaW3, as 0 K ground states. Configurational entropy, however, lowers the free energy of the disordered bcc solid solution, which becomes the stable phase above about 400 K.
Klemens Lechner   +7 more
wiley   +1 more source

High-resolution rapid calculation method of neutron spectrum based on energy response

open access: yesNuclear Engineering and Technology
Conventional neutron spectrum calculation methods are difficult to achieve both high resolution and high efficiency. This paper presents a high-resolution rapid calculation method of neutron spectrum.
Dongyuan Li, Qingquan Pan, Xiaojing Liu
doaj   +1 more source

Heat Transfer Potential of Unidirectional Porous Tubes for Gas Cooling under High Heat Flux Conditions

open access: yesEnergies, 2022
To discuss a suitable porous structure for helium gas cooling under high heat flux conditions of a nuclear fusion divertor, we first evaluate effective thermal conductivity of sintered copper-particles in a simple cubic lattice by direct numerical heat ...
Kazuhisa Yuki   +5 more
doaj   +1 more source

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