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

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

Nov 18, 2023 183 likes •498 views

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

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Plasama Instability

Waleed Moslem

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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.

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Outline

  • Difference Between Equilibrium & Stability
  • Concept of β
  • Classification of Instabilities
  • Two Stream Instability
  • Tutorial with Mathematica
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Equilibrium & Stability

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Equilibrium & Stability, cont.

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Equilibrium & Stability, cont.

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Concept of β

  • Let us go to the whiteboard
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Types of Instabilities

  • Streaming instabilities
  • Rayleigh–Taylor instabilities
  • Kelvin-Helmholtz instability
  • Universal instabilities
  • Kinetic instabilities
  • Gravitational Instability
  • Resistive Drift Waves
  • Weibel Instability
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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

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Types of Instabilities, cont.

  • Kink instability
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Types of Instabilities, cont.

  • Sawteeth
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Types of Instabilities, cont.

  • Fishbone
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Types of Instabilities, cont.

  • Balloning
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Types of Instabilities, cont.

  • Rayleigh-Taylor
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Types of Instabilities, cont.

  • Tearing
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Types of Instabilities, cont.

  • Two Stream Instability
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Two Stream Instability

  • Let us go to the whiteboard
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Tutorial with Mathematica

  • How to use Mathematica to obtain the

following figures...