Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"Magnetic Perturbation"”.
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High-Resolution MHD Spectroscopy of External Kinks in a Tokamak Plasma
… Pulse (HBT-EP) device using a new array of magnetic diagnostics and coils. The capabilities of the HBT-EP experiment are significantly extended with the installation of a new adjustable conducting wall, high-power modular control coil arrays, and an extensive set of 216 magnetic sensors that …
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Study of ergodic divertor edge density regimes on the tokamaks Tore Supra and TEXTOR, and sensitivity of tunnel probe electron temperature measurements to a suprathermal electron component
… our future energy needs in a sustainable way. Magnetic confinement in a so-called 'tokamak'-machine is a possible approach towards the achievement of a burning plasma. An important issue in this tokamak research is the transition of the plasma edge to the inner wall. A first topic that is …
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A photoemission study of quasiparticle excitations, electron-correlation effects and magnetization dynamics in thin magnetic systems
… spin-dependent and dynamical properties of thin magnetic systems. Photoemission-related techniques are combined with synchrotron radiation to study the spin-dependent properties of these systems in the energy and time domains. In the first part of this thesis, the strength of electron correlation …
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Experimental classification of divertor detachment
… different heating powers, fuelling species and magnetic field directions. The density measurements in the divertor volume were combined with all other available divertor diagnostics and a consistent picture of the detachment process was obtained. It was found that detachment is not a continuous …
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Modelling the induced magnetic signature of naval vessels
… design feature. With recent advances in electromagnetic sensor technology the war time threat to shipping posed by electromagnetically triggered mines is becoming more significant and consequently the need to understand, predict and reduce the electromagnetic signature of ships is growing. There …
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The Low Frequency Edge Oscillation in Alcator C-Mod and ASDEX Upgrade I-Mode
… (temperature measurement), Mirnov Coils (magnetic field fluctuation measurement), and Langmuir probes (simultaneous density, temperature, and electric potential measurements). The LFEO occurs at the same location as the Weakly Coherent Mode (WCM), another common feature of I-Mode, which is …