Plasma Heating in Stellarators by Radio Frequency Electromagnetic Waves at the Fundamental Ion Cyclotron Resonance PDF Download
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Author: Vladimir Svidzinski
Publisher:
ISBN:
Category : Electromagnetic waves
Languages : en
Pages : 138
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Author: Vladimir Svidzinski
Publisher:
ISBN:
Category : Electromagnetic waves
Languages : en
Pages : 138
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Author: Ian G. Brown
Publisher:
ISBN:
Category : Magnetic mirrors
Languages : en
Pages : 48
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Author:
Publisher:
ISBN:
Category : Cyclotron resonance
Languages : en
Pages : 34
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Author: JET Project
Publisher:
ISBN:
Category : Cyclotron resonance
Languages : en
Pages : 16
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Author:
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ISBN:
Category :
Languages : en
Pages : 4
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Recent developments in solid-state radio frequency (RF) power technologies allow for the practical consideration of RF heated plasmas for space propulsion. These technologies permit the use of any electrical power source, de-couple the power and propellant sources, and allow for the effcient use of both the propellant mass and power. Effcient use of the propellant is obtained by expelling the rocket exhaust at the highest possible velocity, which can be orders of magnitude higher than those achieved in chemical rockets. Handling the hot plasma exhaust requires the use of magnetic nozzles, and the basic physics of ion detachment from the magnetic eld is discussed. The plasma can be generated by RF using helicon waves to heat electrons. Further direct heating of the ions helps to reduce the line radiation losses, and the magnetic geometry is tailored to allow ion cyclotron resonance heating. RF eld and ion trajectory calculations are presented to give a reasonably self-consistent picture of the ion acceleration process.
Author: Masahiro Wakatani
Publisher: Oxford University Press, USA
ISBN: 9780195078312
Category : Language Arts & Disciplines
Languages : en
Pages : 462
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Book Description
This monograph describes plasma physics for magnetic confinement of high temperature plasmas in nonaxisymmetric toroidal magnetic fields or stellarators. The techniques are aimed at controlling nuclear fusion for continuous energy production. While the focus is on the nonaxisymmetric toroidal field, or heliotron, developed at Kyoto University, the physics applies equally to other stellarators and axisymmetric tokamaks. The author covers all aspects of magnetic confinement, formation of magnetic surfaces, magnetohydrodynamic equilibrium and stability, single charged particle confinement, neoclassical transport and plasma heating. He also reviews recent experiments and the prospects for the next generation of devices.
Author: Stephen Noah Golovato
Publisher:
ISBN:
Category : Plasma heating
Languages : en
Pages : 620
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Plasma including plasma ions is magnetically confined by a magnetic field. The plasma has a defined outer surface and is intersected by resonance surfaces of respective common ion cyclotron frequency of a predetermined species of plasma ions moving in the magnetic field. A radio frequency source provides radio frequency power at a radio frequency corresponding to the ion cyclotron frequency of the predetermined species of plasma ions moving in the field at a respective said resonance surface. RF launchers coupled to the radio frequency source radiate radio frequency energy at the resonance frequency onto the respective resonance surface within the plasma from a plurality of locations located outside the plasma at such respective distances from the intersections of the respective resonance surface and the defined outer surface and at such relative phases that the resulting interference pattern provides substantially null net radio frequency energy over regions near and including substantial portions of the intersections relative to the radio frequency energy provided thereby at other portions of the respective resonance surface within the plasma.
Author: E. Canobbio
Publisher: Elsevier
ISBN: 9781483283739
Category : Technology & Engineering
Languages : en
Pages : 640
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Book Description
Heating in Toroidal Plasmas II, Volume 1 contains the proceedings of the 2nd Joint Grenoble-Varenna International Symposium held in Como, Italy, on September 3-12, 1980. The symposium provided a forum for reviewing the status of heating of toroidal plasmas as a means of creating a practically inexhaustible source of energy with maximum safety and economy. Topics covered range from plasma heating activities in countries such as Japan and the United States to electron cyclotron heating, lower hybrid resonance, and ion cyclotron heating. Comprised of 62 chapters, this volume first looks at radio-frequency heating efforts in the European Community as well as heating of toroidal plasmas in the United States and Japan, along with fusion research in China. The next section is devoted to electron cyclotron heating, paying particular attention to its theoretical aspects and presenting the results of experiments using the Tokamak and the CLEO stellarator. Subsequent chapters deal with the feasibility of igniting a thermonuclear plasma with lower hybrid heating; theory of lower hybrid heating in Tokamaks; plasma heating experiments in lower hybrid frequency range; and mode conversion and wave damping in the low frequency range. The excitation and propagation of the fast wave in a two-component non-uniform plasma are also explored. This monograph will be of interest to practitioners and research workers engaged in plasma physics.
Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 2018
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