In English

ED3330 Transportteori 8,0 hp

Transport Theory

The course should provide a theoretical basis for classical, neo-classical and anomalous transport in major fusion devices as well as an understanding for the theory of plasma transport and current drive in tokamaks. Canonical profiles and other applications in space and finances are also discussed.

  • Utbildningsnivå

    Forskarnivå

  • Kursnivå (A-D)

    D

  • Huvudområde

  • Betygsskala

Det finns inget planerat kurstillfälle.

Lärandemål

When completing the course, the student should be able to

  • Provide the details of the derivation of Pfirch – Schlueter current and flows.
  • Describe and explain the origin of plasma rotation in tokamaks and RFP.
  • Demonstrate the basic properties of suppression of turbulence by electric field shear
  • Give the derivation of the current drive and neoclassical flows.
  • Assess profile consistency and ergodization by external coils
  • Derive the neoclassical poloidal and toroidal rotation
  • Apply the variational principle to the derivation of canonical profiles
  • Demonstrate understanding of the emergence of transport barriers and improved confinement
  • Discuss major issues of edge physics in ITER such as blobs and divertor operation

Kursens huvudsakliga innehåll

Braginski equations for cylindrical geometry. Neutral particle transport. The impact of the toroidicity on the transport in tokamaks. Rotation of plasma in tokamaks. L & H regimes of the tokamak confinement. Electric field profiles in tokamaks. Edge turbulence. Inverse cascade and zonal flows. Biasing resulting in the improved confinement regimes. Electrostatic drift waves and the mixing-length estimate. The reason for the emergence of stochasticity in fusion devices. Anomalous diffusion. Rechester-Rosenbluth diffusion.  The amelioration of ELM ´s by resonance magnetic perturbations.

Kursupplägg

Discussion meetings. Studies in depth of topical monographies and review articles.

Behörighet

Master in Nuclear Fusion Research or Equivalent

Rekommenderade förkunskaper

Master in Nuclear Fusion Research or Equivalent

Litteratur

Helander & Sigmar Neoclassical Transport
Rozhansky & Tendler Plasma Rotation in Tokamaks Reviews of Plasma Physics V. 19 ed. B.B. Kadomtsev, New York & London p.147.

Examination

Krav för slutbetyg

Final oral exam.

Ges av

EES/Fusionsplasmafysik

Kontaktperson

Michael Tendler

Examinator

Michael Tendler

Versionsinformation

Kursplan giltig från och med VT12.