INFLPR Seminar, Tuesday, 12 September 2017, 11:30 am, PPNF Laboratory, IAP Building, Dr. Florin Spineanu: "Variation of equilibrium plasma parameters in the magnetic surface in tokamak"

INFLPR Seminar

Tuesday, 12 September 2017, 11:30 am

PPNF Laboratory, IAP Building - Room 708

Title: "Variation of equilibrium plasma parameters in the magnetic surface in tokamak"

Lecturer: Dr. Florin Spineanu

Work Sessions of Plasma Theory, Fourth meeting

Abstract: The previous discussions have prepared the solution of the neoclassical drift-kinetic equation in various regimes. It remained to pay more attention to the collision operators and go further to viscosity and its relation with the fluxes. It has been formulated a request to stop for a while on the variation of the parameters in the magnetic surface, a purely neoclassical problem, which however is essential to understand spontaneous spin-up and the equilibrium flows. Then some of the previous subjects will be repeated in this fourth meeting: diamagnetic flow, Pfirsch Schluter flow, geometric inertial factor, spontaneous spin-up, magnetic pumping. We will focus on the Stringer solution of the drift-kinetic equation for the perturbation to the equilibrium function, which reflects the neoclassical poloidal variation. We will also mention other approaches (Stacey, Shaing, Helander).