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Thesis

Gyrokinetic turbulence and transport in the Mega Ampere Spherical Tokamak

Abstract:

In this thesis we consider energy transport due to turbulence in the Mega Ampere Spherical Tokamak (MAST), using a multi-scale framework based on local δf gyrokinetics. Transport is modelled globally by means of local flux-tube simulations at each magnetic flux surface. In view of the evidence indicating that turbulent ion transport can be substantially suppressed by rotation shear, our flux tubes span only electron-gyroradius scales. This both simplifies our physics model and reduce...

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Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author

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Role:
Supervisor
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford
UUID:
uuid:0146f522-42a9-4f1f-806a-9ccbfcf3379e
Deposit date:
2018-03-02

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