Sökning: "toroidal"
Visar resultat 16 - 20 av 67 avhandlingar innehållade ordet toroidal.
16. Nonlinear dynamics of frequency sweeping energetic particle modes in tokamaks
Sammanfattning : In a burning plasma, such as the next generation tokamak experiment ITER, significant numbers of highly energetic particles will be produced via nuclear reactions. The presence of energetic particles, be it fusion born alpha particles or ions accelerated by auxiliary heating schemes, may excite kinetic instabilities and thereby affect the heating and transport of all particles in the plasma. LÄS MER
17. Non-linear dynamics of Alfvén eigenmodes excited by fast ions in tokamaks
Sammanfattning : 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. LÄS MER
18. Thermonuclear instabilities and fast particle transport in fusion plasmas
Sammanfattning : .... LÄS MER
19. Drift wave simulations of heat and particle transport in Tokamak discharges
Sammanfattning : .... LÄS MER
20. Shapes of pipes
Sammanfattning : Curved pipes are ubiquitous in several industrial applications and biological systems. The study of flows through these configurations is therefore of significant practical interest.In the present thesis, the modal stability of flows in both toroidal and spatially developing bent pipes is investigated to understand the onset of transition. LÄS MER