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Targeted Optimization Of Quasi Symmetric Stellarators
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Book Synopsis Targeted Optimization of Quasi-Symmetric Stellarators by :
Download or read book Targeted Optimization of Quasi-Symmetric Stellarators written by and published by . This book was released on 2016 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proposed research focuses on targeted areas of plasma physics dedicated to improving the stellarator concept. Research was pursued in the technical areas of edge/divertor physics in 3D configurations, magnetic island physics in stellarators, the role of 3D shaping on microinstabilities and turbulent transport and energetic ion confinement in stellarators.
Download or read book Ideal MHD written by Jeffrey P. Freidberg and published by Cambridge University Press. This book was released on 2014-06-26 with total page 743 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive, self-contained, and clearly written, this book describes the macroscopic equilibrium and stability of high temperature plasmas.
Book Synopsis The Role of Three-dimensional Geometry on Turbulence in Quasi-helically Symmetric Stellarators by : Benjamin Faber
Download or read book The Role of Three-dimensional Geometry on Turbulence in Quasi-helically Symmetric Stellarators written by Benjamin Faber and published by . This book was released on 2018 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to optimize stellarator geometry to reduce transport has led to renewed interest in stellarators for magnetic confinement fusion. In this thesis, turbulence in the Helically Symmetric eXperiment (HSX), a quasi-helically symmetric stellarator, is investigated through application of the gyrokinetic code GENE and the new reduced fluid model PTSM3D. Gyrokinetics provides an efficient formalism for high-fidelity plasma turbulence simulations by averaging out the unimportant fast particle gyromotion. Both GENE and PTSM3D are capable of handling three-dimensional stellarator geometries. The first comprehensive simulations of Trapped Electron Mode turbulence in HSX are presented. HSX geometry introduces a complex landscape of unstable eigenmodes, with strongly ballooning modes, non-symmetric modes, and extended modes all coexisting at the same wavelengths. Nonlinear simulations display several characteristics unique to HSX. At long wavelengths, surprisingly large transport is observed despite the corresponding linear growth rates being small, and is attributed to nonlinear mode interactions. Zonal flows are prominent, however the velocity shear is insufficient to be solely responsible for saturation. These linear and nonlinear features are the consequence of the low global magnetic shear of HSX, which allows modes to extend far along field lines and requires simulation domains spanning multiple poloidal turns to properly resolve. Subdominant modes with extended structures play an important role in nonlinear energy transfer at long wavelengths, removing energy from shorter wavelength modes to both drive long-wavelength transport and dissipate energy through transfer to stable modes. Calculations with PTSM3D of triplet correlation times, used to quantify turbulence saturation, support the gyrokinetic results and show geometry plays a crucial role in turbulence saturation. Energy transfer from unstable modes to stable modes through non-zonal modes is the dominant mechanism in quasi-helically symmetric geometry, while zonal modes catalyze transfer in quasi-axisymmetric geometry. PTSM3D triplet correlation time calculations for HSX configurations with different magnetic hill and well depths accurately reproduce the nonlinear simulation trends, demonstrating the suitability of triplet correlation times as the first nonlinearly-derived metric for turbulence optimization.
Book Synopsis Marginal Stability Diagrams for Infinite-n Ballooning Modes in Quasi-symmetric Stellarators by : S. R. Hudson
Download or read book Marginal Stability Diagrams for Infinite-n Ballooning Modes in Quasi-symmetric Stellarators written by S. R. Hudson and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Systems Approaches to Nuclear Fusion Reactors by : Frederick B. Marcus
Download or read book Systems Approaches to Nuclear Fusion Reactors written by Frederick B. Marcus and published by Springer Nature. This book was released on 2023-01-01 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers an overall review, applying systems engineering and architecture approaches, of the design, optimization, operation and results of leading fusion experiments. These approaches provide a unified means of evaluating reactor design. Methodologies are developed for more coherent construction or evaluation of fusion devices, associated experiments and operating procedures. The main focus is on tokamaks, with almost all machines and their important results being integrated into a systems design space. Case studies focus on DIII-D, TCV, JET, WEST, the fusion reactor prototype ITER and the EU DEMO concept. Stellarator, Mirror and Laser inertial confinement experiments are similarly analysed, including reactor implications of breakeven at NIF. The book examines the engineering and physics design and optimization process for each machine, analysing their performance and major results achieved, thus establishing a basis for the improvement of future machines. The reader will gain a broad historical and up-to-date perspective of the status of nuclear fusion research from both an engineering and physics point of view. Explanations are given of the computational tools needed to design and operate successful experiments and reactor-relevant machines. This book is aimed at both graduate students and practitioners of nuclear fusion science and engineering, as well as those specializing in other fields demanding large and integrated experimental equipment. Systems engineers will obtain valuable insights into fusion applications. References are given to associated complex mathematical derivations, which are beyond the scope of this book. The general reader interested in nuclear fusion will find here an accessible summary of the current state of nuclear fusion.
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :1060 pages Book Rating :4.3/5 ( download)
Book Synopsis Energy and Water Development Appropriations for 2017: Department of Energy: Secretary of Energy by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 2017: Department of Energy: Secretary of Energy written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2016 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :1360 pages Book Rating :4.3/5 ( download)
Book Synopsis Energy and Water Development Appropriations for 2018 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 2018 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2017 with total page 1360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :1000 pages Book Rating :4.F/5 ( download)
Book Synopsis Energy and Water Development Appropriations for 2016 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 2016 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2015 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Helical System Research by : Y. Ueda
Download or read book Helical System Research written by Y. Ueda and published by . This book was released on 1998 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fusion Science and Technology written by and published by . This book was released on 2008 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plasma Physics Reports written by and published by . This book was released on 1996 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publishes papers on plasma physics. The journal covers the following topics: high-temperature plasma physics, connected with the problem of controlled nuclear fusion based on magnetic and inertial confinement; physics of cosmic plasma including magnetosphere plasma, sun and stellar plasma, etc.; gas discharge plasma and plasma generated by laser and particle beams.
Author :National Academies of Sciences, Engineering, and Medicine Publisher :National Academies Press ISBN 13 :0309487439 Total Pages :341 pages Book Rating :4.3/5 (94 download)
Book Synopsis Final Report of the Committee on a Strategic Plan for U.S. Burning Plasma Research by : National Academies of Sciences, Engineering, and Medicine
Download or read book Final Report of the Committee on a Strategic Plan for U.S. Burning Plasma Research written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2019-07-01 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fusion offers the prospect of virtually unlimited energy. The United States and many nations around the world have made enormous progress toward achieving fusion energy. With ITER scheduled to go online within a decade and demonstrate controlled fusion ten years later, now is the right time for the United States to develop plans to benefit from its investment in burning plasma research and take steps to develop fusion electricity for the nation's future energy needs. At the request of the Department of Energy, the National Academies of Sciences, Engineering, and Medicine organized a committee to develop a strategic plan for U.S. fusion research. The final report's two main recommendations are: (1) The United States should remain an ITER partner as the most cost-effective way to gain experience with a burning plasma at the scale of a power plant. (2) The United States should start a national program of accompanying research and technology leading to the construction of a compact pilot plant that produces electricity from fusion at the lowest possible capital cost.
Download or read book Fusion Technology written by and published by . This book was released on 2000 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Fusion written by and published by . This book was released on 2006 with total page 1102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fusion Energy Update written by and published by . This book was released on 1984 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 16th IEEE/NPSS Symposium Fusion Engineering by :
Download or read book 16th IEEE/NPSS Symposium Fusion Engineering written by and published by . This book was released on 1995 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Algorithms for Minimization Without Derivatives by : Richard P. Brent
Download or read book Algorithms for Minimization Without Derivatives written by Richard P. Brent and published by Courier Corporation. This book was released on 2013-06-10 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: DIVOutstanding text for graduate students and research workers proposes improvements to existing algorithms, extends their related mathematical theories, and offers details on new algorithms for approximating local and global minima. /div
