Electron cyclotron heating of plasmas:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Weinheim
Wiley-VCH-Verl.
2009
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| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | Literaturangaben |
| Beschreibung: | IX, 253 S. Ill., graph. Darst. |
| ISBN: | 9783527409167 |
Internformat
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Datensatz im Suchindex
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| adam_text |
Titel: Electron cyclotron heating of plasmas
Autor: Guest, Gareth
Jahr: 2009
VII
Contents
1 Introduction 1
References 5
2 Magnetic Fields 7
2.1 Magnetic Mirrors: Field Calculations Using the Vector Potential 8
2.2 Orthogonal Curvilinear Coordinates and Clebsch Representations 11
2.3 Magnetic Mirrors: Field Calculations Using the Scalar Potential 12
2.4 The Dipole Limit: Planetary Magnetic Fields 15
2.5 Tokamaks: Rotational Transform and the "Safety Factor" 15
References 17
3 Electron Orbits 19
3.1 Electron Gyromotion 19
3.2 Electron Bounce Motion 22
3.3 Electron Drift Motions 23
3.4 Relativistic Electron Kinematics for ECH 28
3.5 The Hamiltonian Approach 29
3.6 Drift Orbits in Toroidal Magnetic Configurations 32
References 34
4 Wave Propagation and Cyclotron Damping in Magnetized Plasmas 37
4.1 The Cold-Plasma Dispersion Relation 38
4.2 Critical Conditions for Parallel Propagation 41
4.3 Critical Conditions for Perpendicular Propagation 42
4.4 Clemmow-Mullaly-Allis Diagrams 42
4.5 The High-Field Regime 43
4.6 The Low-Field Regime 44
4.7 A Few Preliminary Implications for ECH Experiments 48
4.8 Wave Damping 50
4.8.1 A Collisional Model of Damping 50
4.8.2 An Introduction to Couisionless Cyclotron Damping 51
4.8.3 Cyclotron Damping of Whistler Waves 53
Electron Cyclotron Heating of Plasmas. Gareth Guest
Copyright © 2009 WILEY-VCH Verlag GmbH Co. KGaA, Weinheim
ISBN: 978-3-527-40916-7
VIII Contents
4.8.4 Cyclotron Damping of Waves Propagating as O-Modes 59
4.9 Electrostatic Plasma Waves 61
4.10 Estimates of the Electric Field Amplitude 62
4.11 Ray Tracing in Inhomogeneous Plasmas 63
References 65
5 Interaction of Electrons with Electromagnetic Fields at Resonance 69
5.1 A Rudimentary Stochastic Model of ECH 70
5.2 Dynamics of the Fundamental Resonance Interaction 76
5.2.1 Dynamics of the Electron Interaction With X-Mode Waves 77
5.2.2 Dynamics of the Electron Interaction With Parallel RF
Electric Fields 81
5.2.3 Dynamics of the Electron Interaction with O-Mode Waves 82
5.3 Heating of Relativistic Electrons 86
5.4 Limit Cycles 87
5.5 Nonlinear Effects: Mapping Approaches 89
References 95
6 Equilibrium 97
6.1 Charge Balance 97
6.2 Particle and Power Balance 99
6.2.1 Particle and Energy Balance for Group 1 100
6.3 Breakdown and Start-up 103
6.3.1 Breakdown by Heating on the Midplane of a Magnetic Mirror 104
6.3.2 Breakdown with Heating Well Off the Midplane 106
6.3.3 Breakdown with Heating near the Midplane 106
6.4 ECH Runaway: Groups 2 and 3 108
6.4.1 Particle Balance for Electrons in Group 2 108
6.4.2 Particle and Power Balance for Electrons in Group 3 111
6.5 Fokker-Planck Models of Hot-Electron Equilibria 112
6.6 Ad Hoc Velocity-Space Models of Anisotropic Hot-Electron
Equilibria 115
References 119
7 Stability 121
7.1 Interchange Instabilities 121
7.2 Electrostatic Velocity-Space Instabilities Driven by Wave-Particle
Interactions 126
7.3 Electromagnetic Velocity Space Instabilities 133
References 238
8 Experimental Results in Magnetic Mirrors 141
8.1 Hot-Electron Experiments in "Physics Test Facility" and EPA 141
8.2 High-Beta Experiments in ELMO 148
8.3 Unstable Electromagnetic Waves in the TPM 153
Contents IX
8.4 Heating Experiments in AMPHED 161
References 165
9 Electron Cyclotron Heating in Tokamaks 169
9.1 Ordinary-Mode Fundamental ECH Absorption in PLT 169
9.2 ECH-Assisted Start-up in Tokamaks 172
9.3 ECH Suppression of Tearing Modes in Tokamaks 177
9.4 Electron Cyclotron Current Drive 182
References 187
10 The ELMO Bumpy Torus 189
10.1 The Canted Mirror Experiments 191
10.2 Experiments in EBT-I 196
References 204
11 ECH Applications to Space Plasmas 207
11.1 Active Experiments in Space 207
11.2 Laboratory Experiments of Astrophysical Significance 212
11.3 Nonlinear Dynamical Ambipolar Equilibria 216
References 221
12 Some Aspects of Microwave Technology 223
12.1 Low-Frequency Technology: Sources 223
12.2 Low-Frequency Transmission Systems 224
12.3 Low-Frequency Coupling Techniques 224
12.4 High-Frequency Power Sources 225
12.5 High-Frequency Transmission Systems 226
12.6 High-Frequency Couplers 228
References 228
13 Frequency Modulated Electron Cyclotron Heating (FMECH) 229
13.1 Achievable Values of Toroidal Asymmetry 230
13.2 An Estimate of I/P 234
13.3 Generation of the Energetic "Source" Electrons 237
References 239
Appendix A: Some Useful Physical Constants 241
Appendix B: Formulas from Vector Calculus 243
Appendix C: Properties of Some Mathematical Functions 245
Index 247 |
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| illustrated | Illustrated |
| indexdate | 2024-07-20T10:26:30Z |
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| isbn | 9783527409167 |
| language | English |
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| spelling | Guest, Gareth Verfasser (DE-588)13953119X aut Electron cyclotron heating of plasmas Gareth Guest Weinheim Wiley-VCH-Verl. 2009 IX, 253 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Literaturangaben ECR-Heizung (DE-588)4333887-2 gnd rswk-swf ECR-Heizung (DE-588)4333887-2 s DE-604 text/html http://deposit.dnb.de/cgi-bin/dokserv?id=3261157&prov=M&dok_var=1&dok_ext=htm Inhaltstext HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=018809082&sequence=000004&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Guest, Gareth Electron cyclotron heating of plasmas ECR-Heizung (DE-588)4333887-2 gnd |
| subject_GND | (DE-588)4333887-2 |
| title | Electron cyclotron heating of plasmas |
| title_auth | Electron cyclotron heating of plasmas |
| title_exact_search | Electron cyclotron heating of plasmas |
| title_full | Electron cyclotron heating of plasmas Gareth Guest |
| title_fullStr | Electron cyclotron heating of plasmas Gareth Guest |
| title_full_unstemmed | Electron cyclotron heating of plasmas Gareth Guest |
| title_short | Electron cyclotron heating of plasmas |
| title_sort | electron cyclotron heating of plasmas |
| topic | ECR-Heizung (DE-588)4333887-2 gnd |
| topic_facet | ECR-Heizung |
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