Glow discharges and tokamaks / Sean A. Murphy, editor.

Format:

Book

Contributor:

Murphy, Seán A.

Series:

Physics research and technology.

Physics research and technology

Language:

English

Subjects (All):

Glow discharges.

Tokamaks.

Automatic control.

Physical Description:

1 online resource (448 p.)

Place of Publication:

New York : Nova Science Publishers, c2010.

Language Note:

English

Summary:

A tokamak is a machine producing a toroidal magnetic field for confining a plasma which is characterized by azimuthal symmetry and the use of a plasma-borne electric current to generate the helical component of the magnetic field necessary for stable equilibrium. This book presents current data on both glow discharges and tokamaks.

Contents:

""GLOW DISCHARGES AND TOKAMAKS""; ""GLOW DISCHARGES AND TOKAMAKS""; ""Contents""; ""Preface""; ""Automatic Control Systems in Tokamak Plasmas: Current Status and Needs""; ""Abstract""; ""1. Introduction""; ""II. Preliminaries""; ""A. Classical Automatic Control""; ""1. The concept of feedback control""; ""2. Topics of importance in system control""; ""3. The PID controller""; ""B. Modern Control Strategies""; ""1. Adaptive control""; ""2. Optimal control""; ""3. Stochastic control""; ""4. Robust control""; ""2. Intelligent control""; ""C. The Tokamak Fusion Device""

""1. Anatomy of a tokamak""""2. Experimental results""; ""D. Physics Modelling of Tokamak Plasmas""; ""1. Plasma equilibrium and stability""; ""2. Auxiliary heating and diagnostics""; ""III. Overview of Feedback Control in Tokamak Plasmas""; ""A. Short History of Tokamak Automatic Control""; ""B. Classes of Problems Requiring Feedback Control""; ""IV. Plasma Equilibrium Control""; ""A. Plasma Shape Identification""; ""B. Control of the Plasma Shape and Position""; ""1. Modelling the plasma-vessel-coil interaction""; ""2. Radial position and shape control""

""3. The problem of vertical stabilization""""C. Integrated Control Solutions""; ""V. Feedback Control of Mhd Instabilities""; ""A. The Problem of Resistive Wall Modes""; ""1. Model of the RWM instability""; ""2. Methods of stabilization""; ""B. Suppression of Neoclassical Tearing Modes""; ""1. The modified Rutherford equation""; ""2. Stabilization by current drive""; ""C. Edge Localized Modes""; ""VI. Other Tokamak Control Issues""; ""A. Controlling the Plasma Profiles""; ""B. Off-Normal Effects""; ""VII. Conclusion""; ""Acknowledgments""; ""References""

""Lower Hybrid Current Drive Experiments in the HT-7 Tokamak""""Abstract""; ""1. Experimental Setup""; ""2. LHCD Efficiency""; ""2.1. CD Efficiency""; ""2.2. OH-RF Synergy Current Drive""; ""3. Improved LHCD Efficiency by IBW Heating""; ""4. Hot Electrical Conductivity in LHCD Plasmas""; ""5. LHCD for High Performance Experiment""; ""6. Behaviors of Fast Electrons in LHCD Plasmas""; ""6.1. Transport of Fast Electrons""; ""6.2. Photon Temperature of Fast Electrons Distribution""; ""6.3. Oscillations in the FEB Emissions""; ""a. Inverted sawtooth-like oscillation""

""b. sawtooth-like oscillation""""Acknowledgments""; ""References""; ""Principles and Application of Small Size Divertor Tokamak Plasma Edge""; ""Abstract""; ""Nomenclature""; ""Introduction""; ""1. The Concept of the Tokamak Device""; ""2. The Plasma Edge""; ""2.1. Importance of the plasma edge behaviour""; ""2.2. Controlling the plasma Edge""; ""3. Basic Transport Equations (Fluid Equations)""; ""3.1. Particle balance equation""; ""3.2. Parallel momentum balance for ions""; ""3.3. Parallel momentum balance for electrons""; ""3.4. Current continuity equation""

""3.5. Energy balance equation for electrons""

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

Description based on print version record.

ISBN:

1-61668-518-2