Whistler instability in an electroncyclotronresonanceheated, mirrorconfined plasma
Abstract
The warmelectrondriven (2 keV) whistler electron microinstability (Phys. Rev. Lett. {bold 59}, 1821 (1987)) of the Constance {ital B} electroncyclotronresonanceheated (ECRH), quadrupole mirrorconfined plasma experiment has been studied. Experiments show (i) that the instability comes in fairly regular bursts on axis and continuously in time off axis due to the minimum{ital B} geometry, (ii) a frequency spectrum that is insensitive to changes in the plasma parameters, and (iii) instabilityinduced power losses which are not greater than 10% of the ECRH power input for the regimes studied. A linear perturbation analysis of the relativistic Vlasov equation together with Maxwell's equations has been made. Using the ECRH distribution function, a new distribution function well suited for describing ECRH, mirrorconfined plasmas, the analysis shows the instability frequency spectrum to be insensitive to changes in cyclotron frequency, temperature, and density, in agreement with experimental results, and only sensitive to changes in ECRH frequency.
 Authors:

 Plasma Fusion Center, Massachusetts Insitute of Technology, Cambridge, Massachusetts 02139 (US)
 Publication Date:
 OSTI Identifier:
 6931582
 DOE Contract Number:
 AC0278ET51013
 Resource Type:
 Journal Article
 Journal Name:
 Physics of Fluids B; (USA)
 Additional Journal Information:
 Journal Volume: 2:2; Journal ID: ISSN 08998221
 Country of Publication:
 United States
 Language:
 English
 Subject:
 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; MAGNETIC MIRRORS; PLASMA MICROINSTABILITIES; WHISTLERS; BOLTZMANNVLASOV EQUATION; ECR HEATING; ELECTROSTATIC ANALYZERS; ENERGY SPECTRA; PERTURBATION THEORY; PLASMA DIAGNOSTICS; QUADRUPOLES; RELATIVISTIC PLASMA; RF SYSTEMS; XRAY EQUIPMENT; BEAM ANALYZERS; DIFFERENTIAL EQUATIONS; ELECTROMAGNETIC RADIATION; EQUATIONS; EQUIPMENT; HEATING; HIGHFREQUENCY HEATING; INSTABILITY; MULTIPOLES; NOISE; OPEN PLASMA DEVICES; PARTIAL DIFFERENTIAL EQUATIONS; PLASMA; PLASMA HEATING; PLASMA INSTABILITY; RADIATIONS; RADIO NOISE; RADIOWAVE RADIATION; SPECTRA; THERMONUCLEAR DEVICES; 700102*  Fusion Energy Plasma Research Diagnostics
Citation Formats
Garner, R C, Mauel, M E, Hokin, S A, Post, R S, and Smatlak, D L. Whistler instability in an electroncyclotronresonanceheated, mirrorconfined plasma. United States: N. p., 1990.
Web. doi:10.1063/1.859234.
Garner, R C, Mauel, M E, Hokin, S A, Post, R S, & Smatlak, D L. Whistler instability in an electroncyclotronresonanceheated, mirrorconfined plasma. United States. doi:10.1063/1.859234.
Garner, R C, Mauel, M E, Hokin, S A, Post, R S, and Smatlak, D L. Thu .
"Whistler instability in an electroncyclotronresonanceheated, mirrorconfined plasma". United States. doi:10.1063/1.859234.
@article{osti_6931582,
title = {Whistler instability in an electroncyclotronresonanceheated, mirrorconfined plasma},
author = {Garner, R C and Mauel, M E and Hokin, S A and Post, R S and Smatlak, D L},
abstractNote = {The warmelectrondriven (2 keV) whistler electron microinstability (Phys. Rev. Lett. {bold 59}, 1821 (1987)) of the Constance {ital B} electroncyclotronresonanceheated (ECRH), quadrupole mirrorconfined plasma experiment has been studied. Experiments show (i) that the instability comes in fairly regular bursts on axis and continuously in time off axis due to the minimum{ital B} geometry, (ii) a frequency spectrum that is insensitive to changes in the plasma parameters, and (iii) instabilityinduced power losses which are not greater than 10% of the ECRH power input for the regimes studied. A linear perturbation analysis of the relativistic Vlasov equation together with Maxwell's equations has been made. Using the ECRH distribution function, a new distribution function well suited for describing ECRH, mirrorconfined plasmas, the analysis shows the instability frequency spectrum to be insensitive to changes in cyclotron frequency, temperature, and density, in agreement with experimental results, and only sensitive to changes in ECRH frequency.},
doi = {10.1063/1.859234},
journal = {Physics of Fluids B; (USA)},
issn = {08998221},
number = ,
volume = 2:2,
place = {United States},
year = {1990},
month = {2}
}