Stability of High Beta Large Aspect Ratio Tokamaks PDF Download
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Author: Steven C. Cowley
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
Author: Steven C. Cowley
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 27
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Book Description
High [beta]([beta]{much gt} [epsilon]/q2) large aspect ratio ([epsilon] {much gt} 1) tokamak equilibria are shown to be always stable to ideal M.H.D. modes that are localized about a flux surface. Both the ballooning and interchange modes are shown to be stable. This work uses the analytic high [beta] large aspect ratio tokamak equilibria developed by Cowley et.al., which are valid for arbitrary pressure and safety factor profiles. The stability results make no assumption about these profiles or the shape of the boundary. 14 refs., 4 figs.
Author:
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Category :
Languages : en
Pages : 8
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![A Full Radius Gyrokinetic Stability Analysis for Large Aspect Ratio Finite-[beta] Tokamaks PDF](https://books.google.com/books/content/images/frontcover/ILGoXwAACAAJ?fife=w80-h100)
Author: Rajaraman Ganesh
Publisher:
ISBN:
Category :
Languages : en
Pages : 33
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Book Description
Author: Hong Qin
Publisher:
ISBN:
Category : Tokamaks
Languages : en
Pages : 27
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
A study of the MHD stability properties of bean-shaped tokamak plasmas is presented. For ballooning modes, while increased indentation gives larger .beta. stable configurations, the existence and accessibility of the second stable region is sensitive to the pressure and safety factor profiles. The second stable region appears at lower .beta. values for large aspect ratio and moderately high q-values. Finite-Larmor-radius (FLR) kinetic effects can significantly improve the stability properties. For low q (
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 46
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Author: Linjin Zheng
Publisher: Morgan & Claypool Publishers
ISBN: 1627057072
Category : Science
Languages : en
Pages : 178
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Book Description
This book describes the advanced stability theories for magnetically confined fusion plasmas, especially in tokamaks. As the fusion plasma sciences advance, the gap between the textbooks and cutting-edge researches gradually develops. This book fills in
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 33
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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Book Description
An analytic solution is obtained for free-boundary, high-beta equilibria in large aspect ratio tokamaks with a nearly circular plasma boundary. In the absence of surface currents at the plasma-vacuum interface, the free-boundary equilibrium solution introduces constraints arising from the need to couple to an external vacuum field which is physically realizable with a reasonable set of external field coils. This places a strong constraint on the pressure profiles that are consistent with a given boundary shape at high [epsilon][beta]{sub p}. The equilibrium solution also provides information on the flux surface topology. The plasma is bounded by a separatrix. Increasing the plasma pressure at fixed total current causes the plasma aperture to decrease in a manner that is described.
