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Plasama Instability Waleed Moslem 1 / 18 Opening Remarks Not - PowerPoint PPT Presentation

Plasama Instability Waleed Moslem 1 / 18 Opening Remarks Not everything I said is included in the slides. Please pay attention to the lectures and catch the most essential points. Form your own opinions and thoughts. Should ask


  1. Plasama Instability Waleed Moslem 1 / 18

  2. Opening Remarks ● Not everything I said is included in the slides. ● Please pay attention to the lectures and catch the most essential points. ● Form your own opinions and thoughts. ● Should ask questions. ● During the meeting let us exchange ideas about the lecture. 2 / 18

  3. Outline ● Difference Between Equilibrium & Stability ● Concept of β ● Classification of Instabilities ● Two Stream Instability ● Tutorial with Mathematica 3 / 18

  4. Equilibrium & Stability 4 / 18

  5. Equilibrium & Stability, cont. 5 / 18

  6. Equilibrium & Stability, cont. 6 / 18

  7. Concept of β ● Let us go to the whiteboard 7 / 18

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  11. Types of Instabilities ● Streaming instabilities ● Rayleigh–Taylor instabilities ● Kelvin-Helmholtz instability ● Universal instabilities ● Kinetic instabilities ● Gravitational Instability ● Resistive Drift Waves ● Weibel Instability 8 / 18

  12. Types of Instabilities, cont. Tokamak Instabilities ● Kink instabilities ● Tearing mode ● Sawteeth ● Ballooning ● Fishbones ● Resistive wall mode ● Microinstabilities e.g. due to Ion/Electron Temperature Gradient driven mode OR Trapped Electron Mode 9 / 18

  13. Types of Instabilities, cont. ● Kink instability 10 / 18

  14. Types of Instabilities, cont. ● Sawteeth 11 / 18

  15. Types of Instabilities, cont. ● Fishbone 12 / 18

  16. Types of Instabilities, cont. ● Balloning 13 / 18

  17. Types of Instabilities, cont. ● Rayleigh-Taylor 14 / 18

  18. Types of Instabilities, cont. ● Tearing 15 / 18

  19. Types of Instabilities, cont. ● Two Stream Instability 16 / 18

  20. Two Stream Instability ● Let us go to the whiteboard 17 / 18

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  31. Tutorial with Mathematica ● How to use Mathematica to obtain the following figures... 18 / 18

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