Author: L. A. FerrariPublisher:
ISBN:
Category : Heating
Languages : en
Pages : 4
Book Description
Instability in a Hot Electron Plasma
Author: L. A. FerrariObservation of a Mirror-Like Instability in a Hot-Electron Plasma
Author: Interchange Instability in a Hot Electron Plasma
Author: Arthur F. KuckesHigh-frequency Instability of a Hot-electron Plasma Generated by Electron-cyclotron Resonance
Author: Carlton Edward SpeckPublisher:
ISBN:
Category :
Languages : en
Pages : 584
Book Description
Effects of Hot Electrons on the Stability of a Closed Field Line Plasma
Author: Natalia S. KrasheninnikovaPublisher:
ISBN:
Category :
Languages : en
Pages : 74
Book Description
Motivated by the electron cyclotron heating being employed on the dipole experiments, the effects of a hot species on stability in closed magnetic field line geometry are investigated by considering a Z-pinch plasma. The interchange stability of a plasma of background electrons and ions with a small fraction of hot electrons is considered. The species diamagnetic drift and magnetic drift frequencies are assumed to be of the same order, and the wave frequency is assumed to be much larger than the background, but much less than the hot drift frequencies. An arbitrary total pressure dispersion relation is obtained, with the background plasma treated as a single fluid, while a fully kinetic description is employed for the hot species. The analysis of the dispersion relation shows that two different kinds of resonant hot electron effects modify the simple MHD interchange stability condition. When the azimuthal magnetic field increases with radius, there is a critical pitch angle above which the magnetic drift of the hot electrons reverses. The interaction of the wave with the hot electrons with pitch angles near this critical value always results in instability. When the magnetic field decreases with radius, magnetic drift reversal is not possible and only low speed hot electrons will interact with the wave. Destabilization by this weaker resonance effect can be avoided by carefully controlling the hot electron density and temperature profiles.
Observation of the Hot Electron Interchange Instability in a High Beta Dipolar Confined Plasma
Author: Eugenio Enrique OrtizPublisher:
ISBN:
Category :
Languages : en
Pages : 240
Book Description
Microwave Burst at Triggered Instability in a Hot Electron Plasma
Author: H. IkegamiHot Electron Plasma Equilibrium and Stability in the Constance B Mirror Experiment
Author: Chen XingElectromagnetic Instability in an Electron Cyclotron Resonance Plasma
Author: Steven J. GitomerPublisher:
ISBN:
Category : Electron cyclotron resonance
Languages : en
Pages : 370
Book Description
Electron-Stream Interaction with Plasmas
Author: Richard J. BriggsPublisher: Mit Press
ISBN: 9780262523509
Category : Political Science
Languages : en
Pages : 200
Book Description
This study considers the instabilities that result when an electron beam is injected into a plasma. A number of different models of the system are considered, and all instabilities are classified according to whether they are convective instabilities (amplifying waves) or nonconvective (absolute) instabilities. The study also analyzes the instabilities in unbounded beam-plasma systems and in systems of finite extent transverse to the electron stream and gives a detailed consideration of the possibility of a strong interaction with the ions in a hot-electron plasma. In addition, the author presents mathematical criteria for identifying absolute instabilities and amplifying waves. These criteria are based only on an analysis of the dispersion equation of the system and are not restricted to beam-plasma systems.Two things need to be said about this book: the chapter on absolute and convective instabilities makes an important contribution to the field. Second, it should be pointed out that the theoretical results are reduced to a form which make them readily available to an experimentalist. Plasma physicists and electronic engineers will be interested in this work.