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Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
Contributions were made towards the ultimate goal of creating a complete theory of edge turbulence and transport in magnetic fusion devices. The main focus has been to utilize a resistive MHD model. This analysis includes: (1) rippling'' type models in which the current fluctuations are decoupled and the resistivity fluctuations are fundamental, and (2) drift'' type models in which the ambient current can be small (no resistivity fluctuations needed) and the current fluctuations are fundamental. In these turbulence frameworks, the important atomic physics based edge sources have been included (impurity radiation, ionization, and charge exchange effects).
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
Contributions were made towards the ultimate goal of creating a complete theory of edge turbulence and transport in magnetic fusion devices. The main focus has been to utilize a resistive MHD model. This analysis includes: (1) rippling'' type models in which the current fluctuations are decoupled and the resistivity fluctuations are fundamental, and (2) drift'' type models in which the ambient current can be small (no resistivity fluctuations needed) and the current fluctuations are fundamental. In these turbulence frameworks, the important atomic physics based edge sources have been included (impurity radiation, ionization, and charge exchange effects).
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
Contributions were made towards the ultimate goal of creating a complete theory of edge turbulence and transport in magnetic fusion devices. The main focus has been to utilize a resistive MHD model. This analysis includes: (1) ''rippling'' type models in which the current fluctuations are decoupled and the resistivity fluctuations are fundamental, and (2) ''drift'' type models in which the ambient current can be small (no resistivity fluctuations needed) and the current fluctuations are fundamental. In these turbulence frameworks, the important atomic physics based edge sources have been included (impurity radiation, ionization, and charge exchange effects).
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
In general we have made significant contributions towards the ultimate goal of creating a complete theory of edge turbulence and transport in magnetic fusion devices. Our main focus has been to utilize a resistive MHD model. This analysis includes: (1) ''rippling'' type models in which the current fluctuations are decoupled and the resistivity fluctuations are fundamental, and (2) ''drift'' type models in which the ambient current can be small (no resistivity fluctuations needed) and the current fluctuations are fundamental. In these turbulence frameworks, the important atomic physics based edge sources have been included (impurity radiation, ionization, and charge exchange effects).
Author: Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
The progress that has been made during this fiscal year is significant in the area of tokamak edge plasma transport. Important contributions on the extension of the drift-rippling mode model ([approximately] [tau], [approximately]n, [approximately]T, [approximately][nu][sub [parallel]]) of edge turbulent transport. In particular, the research areas on which we have concentrated include the following topics: (1) The theoretical investigation of the radiatively enhanced transport due to the effects of impurity driven radiation instabilities has been expanded to include a situation with multiple impurities (such as carbon, C[sup 4+], and oxygen, O[sup 6+]); (2) In order to validate the use of the impurity radiation input from the tokamak bolometer experiments in our theoretical edge turbulent transport calculations, the analysis that is utilized to transform impurity brightness data to radiated power profiles has been checked for state population and Abel inversion correctness; (3) The drift-rippling model of edge turbulent transport has been extended to include ionization particle sources in addition to the impurity driven thermal instability drive; and (4) The detailed limiter and realistic edge geometric effects on the edge turbulent transport has been included in the drift-rippling model.
Author: Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
The progress that has been made during this fiscal year is significant in the area of tokamak edge plasma transport. The drift-rippling mode model of edge turbulent transport was extended. In particular, the research areas on which were concentrated include the following topics: (1) The theoretical investigation of the radiatively enhanced transport due to the effects of impurity driven radiation instabilities has been expanded to include a situation with multiple impurities (such as carbon, C{sup 4+}, and oxygen, O{sup 6+}); (2) In order to validate the use of the impurity radiation input from the tokamak bolometer experiments in the theoretical edge turbulent transport calculations, the analysis that is utilized to transform impurity brightness data to radiated power profiles has been checked for state population and Abel inversion correctness; (3) The drift-rippling model of edge turbulent transport has been extended to include ionization particle sources in addition to the impurity driven thermal instability drive; and (4) The detailed limiter and realistic edge geometric effects on the edge turbulent transport has been included in the drift-rippling model.
Author: R. O. Dendy Publisher: Cambridge University Press ISBN: 9780521484527 Category : Science Languages : en Pages : 540
Book Description
For the last thirty years, international summer schools in plasma physics have been held at Culham Laboratory, site of the Joint European Torus fusion project. This book has been developed from lectures given at these schools, and provides a wide-ranging introduction to the subject. The first few chapters deal with the fundamentals of plasma physics. In subsequent chapters, the applications and properties of man-made and naturally occurring plasmas are discussed. In addition, there are chapters devoted to general phenomena such as turbulence and chaos. The computational techniques employed in modelling plasma behaviour are also described. Since no prior knowledge of plasma physics is assumed, this book will act as an ideal introduction to the subject for final year undergraduates and beginning graduate students in physics, astronomy, mathematics and engineering.
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Author: National Research Council
Author: R. O. Dendy