Search for dissertations about: "Torbjörn Hellsten"
Showing result 1 - 5 of 10 swedish dissertations containing the words Torbjörn Hellsten.
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1. On the stability of plasmas confined in poloidal magnetic fields
Abstract : .... READ MORE
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2. Non-linear dynamics of Alfvén eigenmodes excited by fast ions in tokamaks
Abstract : The tokamak is so far the most promising magnetic configuration for achieving a net production of fusion energy. The D-T fusion reactions result in 3.5 MeV alpha-particles, which may destabilize Alfvén eigenmodes through wave-particle interaction. READ MORE
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3. Modelling Ion Cyclotron Resonance Heating and Fast Wave Current Drive in Tokamaks
Abstract : Fast magnetosonic waves in the ion cyclotron range of frequencies have the potential to heat plasma and drive current in a thermonuclear fusion reactor. A code, SELFO-light, has been developed to study the physics of ion cyclotron resonantheating and current drive in thermonuclear fusion reactors. READ MORE
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4. Numerical solution of quasilinear kinetic diffusion equations in toroidal plasmas
Abstract : One of the main challenges for the realization of a working fusion power plant is an increased detailed understanding of kinetic phenomena in toroidal plasmas. The tokamak is a toroidal, magnetically confined plasma device and is currently the main line towards a power plant. READ MORE
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5. Variance reduction methods for numerical solution of plasma kinetic diffusion
Abstract : Performing detailed simulations of plasma kinetic diffusion is a challenging task and currently requires the largest computational facilities in the world. The reason for this is that, the physics in a confined heated plasma occur on a broad range of temporal and spatial scales. READ MORE