Nuclear fusion research : understanding plasma-surface interactions /
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Imprint: | Berlin ; [Great Britain] : Springer, 2005. |
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Description: | xix, 461 p. : ill. ; 24 cm. |
Language: | English |
Series: | Springer series in chemical physics 0172-6218 ; v. 78 |
Subject: | |
Format: | E-Resource Print Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/5606389 |
Table of Contents:
- Part I. Atomic and Surface Data Issues in Nuclear Fusion
- 1. Plasma-Wall Interaction: Status and Data Needs
- 1.1. Introduction
- 1.2. Key Issues of Plasma-Wall Interaction
- 1.3. The ITER-Concept to Control Plasma-Wall Interaction
- 1.4. The Crucial Processes and Data Needs for Modeling
- 1.4.1. The Problem of Tritium Retention in Fusion Devices
- 1.4.2. Location and Strength of Impurity Sources
- 1.4.3. Migration of Eroded Materials and Layer Formation by Deposited Impurities
- 1.4.4. Modeling of Erosion and Deposition
- 1.4.5. Release of Hydrogen Atoms and Molecules from Recycling Processes
- 1.5. Summary and Conclusions
- References
- 2. Modeling of Fusion Edge Plasmas: Atomic and Molecular Data Issues
- 2.1. Introduction
- 2.1.1. Computational Edge Plasma Models
- 2.2. The Fusion Edge Plasma Models
- 2.2.1. Collisional Contributions to Braginskii Equations
- 2.2.2. Standard Form of Source Terms
- 2.2.3. The I-Integral Representation
- 2.2.4. Application to Elastic Neutral Ion Collisions
- 2.3. Applications
- 2.3.1. Applications to TEXTOR
- 2.3.2. Applications to ASDEX Upgrade
- 2.4. Conclusions, Outlook
- References
- 3. Energy Deposition from ELMs in Fusion Devices
- 3.1. Introduction
- 3.1.1. Features of the Regime of Enhanced Energy Confinement (H-Mode)
- 3.1.2. Characteristics of ELMs and Their Effects on the Pedestal Plasma
- 3.2. Characteristics of Type I ELM Energy and Particle Losses from the Core Plasma
- 3.2.1. Dynamics and Timescales for the Type I ELM Energy and Particle Losses from the Core Plasma
- 3.2.2. Magnitude of the Type I ELM Energy and Particle Losses from the Core Plasma and Their Extrapolation to Next Step Burning Plasma Experiments
- 3.3. Energy Fluxes to PFCs During Type I ELMs in Existing Experiments and Implications for Burning Plasma Experiments
- 3.3.1. Spatial and Temporal Characteristics of the Type I ELM Energy Fluxes to PFCs
- 3.3.2. Implications of the Type I ELM Energy Fluxesto PFCs in Burning Plasma Experiments: Application to the ITER Reference Q DT = 10 Scenario
- 3.4. Summary and Conclusions
- References
- Part II. Plasma Diagnostics
- 4. Molecular Diagnostics of Cold Edge Plasmas
- 4.1. Molecules in Low Temperature Plasmas
- 4.2. Molecular Emission Spectroscopy
- 4.2.1. Interpretation of Molecular Spectra
- 4.2.2. Molecular Hydrogen and Collisional-Radiative Modeling
- 4.2.3. Flux Measurements
- 4.3. Role of Molecular Hydrogen in Recombination (MAR)
- 4.4. Vibrational Population of Hydrogen
- 4.4.1. Measurements and Calculations
- 4.4.2. Surface Effects
- 4.5. Hydrocarbons and Chemical Erosion
- 4.5.1. Dissociation, Radiation and Carbon Fluxes
- 4.5.2. Gas Puff Experiments
- 4.5.3. Erosion Yields in Laboratory Plasmas
- 4.6. Conclusions
- References
- 5. Divertor Spectroscopy with Molecular Transport
- 5.1. Introduction
- 5.2. Hydrogen Molecules in Attached Divertor Plasmas
- 5.3. Hydrocarbon Molecules in Attached Divertor Plasmas
- 5.4. Molecules in Detached Divertor Plasmas
- 5.5. Conclusions
- References
- 6. High-Temperature Plasma Edge Diagnostics
- 6.1. Introduction
- 6.2. Techniques and Methods
- 6.2.1. Observation Geometries
- 6.2.2. Evaluation Methods
- 6.3. Results
- 6.3.1. Relevant Elements
- 6.3.2. Carbon
- 6.3.3. Hydrocarbons
- 6.3.4. Hydrogen/Deuterium
- 6.3.5. Low-Z Impurities: Oxygen
- 6.3.6. Medium-Z Impurities: Neon and Silicon
- 6.3.7. High-Z Impurities: Molybdenum and Tungsten
- 6.3.8. Atomic Helium Beams
- 6.4. Conclusions and Recommendations
- References
- 7. X-ray Spectroscopy of High n Transitions of He- and Ne-Like Ions in Alcator C-Mod Plasmas
- 7.1. Introduction
- 7.2. Experiment Description
- 7.3. Code Descriptions
- 7.4. He-Like and Neighboring Ions
- 7.5. Ne-Like and Neighboring Ions
- 7.6. Conclusions
- References
- 8. High-Temperature Plasmas Diagnostics by X-ray Spectroscopy in the Low Density Limit
- 8.1. Introduction
- 8.2. X-ray Spectrometers
- 8.3. Atomic Physics of He-Like Spectra
- 8.3.1. Excitation
- 8.3.2. Dielectronic Recombination
- 8.3.3. Radiative Recombination
- 8.3.4. Charge Exchange Recombination
- 8.3.5. Inner-Shell Excitation
- 8.3.6. Inner-Shell Ionization
- 8.4. Determination of Plasma Parameters
- 8.4.1. Electron and Ion Temperature, Toroidal Plasma Velocity
- 8.4.2. Relative Abundance of Charged States
- 8.5. Conclusions
- References
- Part III. Surface Processes and Material Issues
- 9. Review and Status of Physical Sputtering and Chemical Erosion of Plasma Facing Materials
- 9.1. Introduction
- 9.2. Physical Sputtering
- 9.2.1. Sputtering of Pure Elements
- 9.2.2. Sputtering by Non-recycling Ions (Mixed Materials)
- 9.2.3. Extrapolation to Fusion Reactor Conditions
- 9.3. Chemical Erosion
- 9.3.1. Present Understanding of Atomistic Processes
- 9.3.2. Eroded Species and Sticking Coefficient
- 9.3.3. Flux Dependence
- 9.3.4. Fluence Dependence and Surface Topography
- 9.3.5. Doping for Reduction of the Chemical Erosion Yield
- 9.3.6. Open Questions and Data Needs
- References
- 10. Hydrogen Retention in and Release from Carbon Materials
- 10.1. Introduction
- 10.2. Hydrogen Retention in Pure and Doped Carbon Materials
- 10.2.1. Implantation and Diffusion
- 10.2.2. Co-deposition
- 10.2.3. Effect of Neutron Damage
- 10.3. Hydrogen Release from Graphite
- 10.3.1. Re-emission
- 10.3.2. Thermal Release During Thermal Desorption Spectroscopy (TDS)
- 10.4. H-Isotope Removal from C-Based Co-deposits
- 10.4.1. Tritium Removal Experience in TFTR and JET
- 10.4.2. R&D of Co-deposit Removal Techniques
- 10.5. Conclusion
- References
- 11. Interaction of Low-Energy Ions and Hydrocarbon Radicals with Carbon Surfaces
- 11.1. Introduction
- 11.2. Properties of Hydrocarbon Layers
- 11.3. Experimental
- 11.3.1. The Cavity Technique
- 11.3.2. Particle-Beam Experiments
- 11.4. Results
- 11.4.1. Surface Loss Probabilities
- 11.4.2. Sticking Coefficient of CH 3 Radicals
- 11.4.3. Synergistic Interaction of CH 3 and Atomic Hydrogen
- 11.4.4. Chemical Sputtering
- 11.4.5. Ion-Induced Deposition
- 11.5. Conclusions
- References
- 12. Tritium Inventory in the Materials of the ITER Plasma-Facing Components
- 12.1. Introduction
- 12.2. Historical Perspective
- 12.3. Highlights of the ITER Design and Suitable Plasma-Facing Material Options
- 12.3.1. ITER Design
- 12.3.2. Plasma Facing Materials
- 12.3.3. Tritium-Related Constraints on a BPX Operation Schedule
- 12.3.4. Summary of Recent Experimental Findings
- 12.4. ITER Tritium Retention Estimates and Uncertainties
- 12.5. Further Research and Development (R&D) Needs
- 12.6. Conclusions
- References
- 13. Mixed and High-Z Plasma-Facing Materials in TEXTOR
- 13.1. Introduction
- 13.2. Silicon-Carbon Material
- 13.2.1. Siliconization
- 13.2.2. Silicon-Doped CFC Material
- 13.3. Twin Limiter Experiments
- 13.4. B 4 C-Coated Copper Limiter
- 13.5. Modeling of Erosion, Deposition and Impurity Transport with the ERO-TEXTOR Code
- 13.6. Conclusions and Outlook
- References
- 14. Beryllium and Liquid Metals as Plasma Facing Materials
- 14.1. Introduction
- 14.2. Erosion
- 14.2.1. Physical Sputtering of Beryllium
- 14.2.2. Mixed-Material Erosion
- 14.2.3. Physical Sputtering of Liquid Metal Surfaces
- 14.2.4. Erosion of Surfaces at Elevated Temperature
- 14.3. Hydrogen Isotope Retention
- 14.3.1. Retention in Beryllium
- 14.3.2. Retention in BeO and Mixed Be Materials
- 14.3.3. Retention in Li and Ga
- 14.4. Conclusion
- References
- Part IV. Databases
- 15. IAEA Databases and Database Establishment Programs
- 15.1. Introduction
- 15.2. Overview
- 15.3. Advisory Groups
- 15.4. Co-ordinated Research Projects
- 15.5. A+M Unit Products
- 15.5.1. Electronic Databases
- References
- 16. NIFS DATABASE and Cooperation with IAEA DCN
- 16.1. Introduction
- 16.2. NIFS DATABASE
- 16.3. IFS DPC Collaboration Program
- 16.3.1. Domestic Collaboration
- 16.3.2. International Collaboration
- 16.4. Data Center Network (DCN)
- 16.5. Recent Research Activities
- 16.6. Conclusion
- References
- 17. The NIST Atomic Structure Databases
- 17.1. Introduction
- 17.2. Data Dissemination on the Internet
- 17.3. The Scope of the NIST ASD Database
- 17.4. Interactive Features
- 17.5. Related NIST Databases
- 17.6. Some Sample Searches
- 17.7. Data Quality
- 17.8. Outlook
- References
- 18. The Atomic Data and Analysis Structure
- 18.1. Introduction
- 18.2. General Principles of ADAS
- 18.3. ADAS Code and Data Organization
- 18.3.1. IDL-ADAS
- 18.3.2. Data and Data Formats
- 18.3.3. Offline ADAS
- 18.4. Current Directions
- 18.4.1. Errors and Uncertainties
- 18.4.2. Non-Maxwellian Electron Distributions
- 18.4.3. Spectral Visualization for Heavy Species
- 18.5. ADAS Special Projects
- 18.5.1. The DR Project
- References
- 19. Collision Processes of Atomic and Molecular Hydrogen in Fusion Plasmas: The Cross-Section Data Status
- 19.1. Introduction
- 19.2. Hydrogen Atom Collision Processes
- 19.3. Collision Processes of Molecular Hydrogen and Its Ions
- 19.3.1. Collision Processes of Hydrogen Molecules
- 19.3.2. Decay Processes of Electronically Excited H 2 States
- 19.3.3. Collision Processes of {{\rm H}}_2^+ Ions
- 19.3.4. Processes Involving H − and {{\rm H}}_3^+ Ions
- 19.4. Major Gaps in the H/H 2 Collision Database
- 19.5. Concluding Remarks
- References
- 20. Partial and Differential Electron Impact Ionization Cross-Sections for Small Hydrocarbon Molecules
- 20.1. Introduction
- 20.2. Experimental
- 20.3. Results
- References
- Index