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Showing 1 to 20 of 30 for “"FUSION PLASMA"”.
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Modeling of Alpha Partcle Transport in Tokamak Fusion Plasma
Made available in DSpace on 2017-07-06T18:48:18Z (GMT). No. of bitstreams: 3 Guo_Junpeng_MS.pdf: 25987715 bytes, checksum: 296996a70c4c4d6579f08b182a176d17 (MD5) Guo_Junpeng_MS_ABS.pdf: 522085 bytes, checksum: f7bdaa354105284ed4536628d79a8858 (MD5) license.txt: 4813 bytes, checksum: …
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Light Intensity Measurements of an Inertial Electrostatic Confinement Fusion Plasma
Made available in DSpace on 2017-07-06T18:56:09Z (GMT). No. of bitstreams: 3 Satsangi_Ann_J_MS.pdf: 39548115 bytes, checksum: a9ecb2b1393a1111d4b3af660e981e7f (MD5) Satsangi_Ann_J_MS_ABS.pdf: 692967 bytes, checksum: c8567eb3fbc3a770d9a16b4af01e8e98 (MD5) license.txt: 4813 bytes, checksum: …
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Interaction of plasmas with lithium and tungsten fusion plasma facing components
… outstanding issues in magnetic confinement fusion is the interaction of the fusion plasma with the first wall of the device; an interaction which is strongest in the divertor region. Erosion, melting, sputtering, and deformation are all concerns which inform choices of divertor material. Of …
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A Multigroup One-Dimensional Tokamak Fusion Plasma Simulation for Non-Maxwellian Ions Slowing Down in a Thermal Background
Made available in DSpace on 2017-07-06T18:55:22Z (GMT). No. of bitstreams: 3 Metzger_John_D_MS.pdf: 41206592 bytes, checksum: a0be3867681c02996506c2473d60f688 (MD5) Metzger_John_D_MS_ABS.pdf: 545248 bytes, checksum: 9c976cf6a227887c97014849b6ac438a (MD5) license.txt: 4813 bytes, checksum: …
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Hybrid Illinois Device for Research and Applications material analysis test-stand development for characterization of fusion plasma-material interactions
… material science, mainly research pertaining to fusion plasma facing components (PFCs). HIDRA’s long-pulse steady-state stellarator plasmas provide a unique plasma environment to test materials under the harsh conditions they will experience in a fusion device. To realize HIDRA’s potential to …
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Gamma-ray reactivities for the p+¹¹B, p+⁶Li and p+⁷Li fusion reactions and the applications as temperature diagnostics for the fusion plasma, The
Includes bibliographical references.
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Physics-informed machine learning techniques for edge plasma turbulence modelling in computational theory and experiment
Edge plasma turbulence is critical to the performance and operation of magnetic confinement fusion devices. Drift-reduced Braginskii two-fluid theory has for decades been widely applied to model boundary plasmas with varying success. Towards better understanding edge turbulence in both theory and …
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Applications of noise theory to plasma fluctuations
… important to many physical systems, such as the fusion plasma. Noise theory is used to study the time and space correlations of stationary Markovian fluctuations that are statistically homogeneous and isotropic. The relaxation of the fluctuations is modeled by the diffusion equation. The spatial …
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Measurements of the alpha particle induced current in metal foils
… of a lost α particle flux from high temperature fusion plasma. The purpose of the experiment was to allow the testing of thin-foil Faraday collectors as a lost α particle diagnostic. Many sets of measurements were made: the first with a single thick Al sheet and subsequently with a thin (2.5 µm) …
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Intermediate energy proton irradiation: An experimental and analytical foundation for bulk radiation damage testing
Fusion and next-generation fission power plants will require thermal and structural materials to perform under new, extreme conditions. Among mechanical, thermal, and corrosion or plasma exposure challenges, materials near the core of fusion and fission power plants will need to survive heavy …
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The growth of density fluctuations in a finite sized inhomogeneous plasma
… the absorption of electromagnetic radiation in a plasma are important to the physics of laser-fusion. We have studied the growth of density fluctuations in an inhomogeneous plasma because two mechanisms of absorption, anomalous absorption due to the growth of parametric instabilities and …
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A Computational Study of A Lithium Deuteride Fueled Electrothermal Plasma Mass Accelerator
Future magnetic fusion reactors such as tokamaks will need innovative, fast, deep-fueling systems to inject frozen deuterium-tritium pellets at high speeds and high repetition rates into the hot plasma core. There have been several studies and concepts for pellet injectors generated, and different …
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Plasma position control in the STOR-M tokamak : a fuzzy logic approach
Adequate control of the position of the plasma column within the STOR-M tokamak is a chief requirement in order for experimental quality discharges to be obtained. Optimal control over tokamak discharge parameters, including the plasma position, is very difficult to achieve. This is due in large …
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Collimation of deuterium / 3-helium fusion products for advanced spacecraft propulsion and power
… and power systems involve thermonuclear fusion plasma systems. In this class it is well accepted that d-He3 fusion is the most promising of the fuel candidates for spacecraft applications as the 14.7 MeV protons carry up to 80% of the total fusion power while ‘s have energies less than 4 …
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Modelling the neutralisation process in neutral beam injectors
… diagnosing magnetically confined thermonuclear fusion plasmas. At the Joint European Torus (JET) in Oxfordshire, England, the formation of such a beam involves passing a positive ion beam through a neutral gas target wherein beam electron-capture collisions result in a neutral beam component. …
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Next Generation Algorithms for Magnetically Confined Fusion Reactor Simulations
… algorithms for whole-system nuclear fusion reactor simulations, with a focus on predicting and understanding non-linear MHD (magnetohydrodynamics) plasma instabilities and disruption events. The objective is to model all reactor regions (plasma, quasi-vacuum, and containment vessel) …
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Fluctuation induced cross-field transport in Hall thrusters and tokamaks
One area of fundamental plasma physics which remains poorly understood is the transport of particles across magnetic field lines at rates significantly higher than predicted by theory exclusively based on collisions. This "anomalous" transport is observed in many different classes of plasma …
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Two-Color Heterodyne Interferometry for PI3 Line-Averaged Plasma Density Measurements
… interferometry, which is a technique used for plasma density diagnostics in fusion experiments. Funded through a Mitacs Accelerate internship, this work focused on improving vibration compensation of the existing multi-chord interferometer used at General Fusion for line averaged plasma density …
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Technology and engineering of liquid lithium for fusion applications
Many outstanding issues in tokamak fusion arise from the interaction of the fusion plasma with the first wall of the device, particularly in the divertor of the tokamak. Edge cooling, impurity generation, and first wall erosion among others all have root causes that lie in particle and energy …
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Advanced geometries for dryout mitigation in temhd-driven liquid lithium systems
The promise of nuclear fusion as an energy source is unparalleled, but the technological challenge is arguably the most difficult humanity has faced. As progress continues toward bringing sustained fusion power production to the grid, the conditions inside fusion devices are becoming more extreme. …
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