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ARC Physics

M. F. Hoyaux (Autor)

Buch | Hardcover

320 Seiten

1968
Springer-Verlag Berlin and Heidelberg GmbH & Co. K
978-3-540-04054-5 (ISBN)

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On first acquaintance the electric arc discharge appears to be both visually attractive and a relatively simple phenomena to understand. To those of us engaged in prolonged study of this discharge, it remains a constantly exciting phenomena but we become only too aware of its complex nature and the difficulties in interpreting its bulk properties. This is particu- larly true when the arc exists in a practical device and is subjected therefore to extreme conditions. In recent years the possibilities for the beginning of a fuller understanding of the complexities of the arc has arisen out of the excellent research and development work of scientists and engineers throughout the world. Much of this work has been stimulated not only by the need for the development of practical devices but also by the interest in thermonuclear fusion, mag- netohydrodynamic generation and space exploration. In much of this work, the arc discharge has been a common feature as a source of study of high temperature plasma. As a result of this increased interest in the arc, the expert and would-be expert is now faced with the problem of assessing extensive newly published information on arc properties.
Thus there is the need for texts which present to the engineer and researcher a review and summary of the present situation. This book is a valuable contribution to this task.

1. Introduction.- 2. The Arc as Part of an Electric Circuit.- [2-1] Ignition of an Arc.- [2-2] Maintenance of the Arc.- [2-3] Maintenance of the Cathodic Spot.- [2-4] Arcs in Parallel.- [2-5] Extinction of the Arc.- [2-6] Reignition of the Arc.- [2-7] Hysteresis Phenomena in the Arc.- [2-8] The Electric Arc in A-C.- [2-9] Rectification.- I:. Theory of the Positive Column.- 3. The Cylindrical Indefinite Positive Column in a Fixed Neutral Gas.- [3-1] High-Pressure Arc.- [3-2] Low-Pressure Arc.- 4. General Theory of the Arc Plasma.- [4-1] Low-Pressure Arc of Non-Cylindrical Shape.- [4-2] High-Pressure Arc of Non-Cylindrical Form in a Fixed Gas.- [4-3] General Theory of the High-Pressure Arc Plasma.- Appendix - Note Concerning the Thermodiffusion Coefficient.- II: Wall and Electrode Phenomena.- 5. Wall Phenomena.- [5-1] Ambipolar Diffusion to a Wall.- [5-2] Bohm's Criterion of Sheath Formation.- 6. Anodic Phenomena.- [6-1] Convergence of the Lines of Current towards the Anode.- [6-2] Local Reduction in the Plasma Conductivity.- [6-3] Difference between Primitive Field and Actual One.- [6-4] Anodic Sheath Phenomena.- [6-5] Anodic Spots.- [6-6] Hash Phenomena in the Anodic Region.- Appendix - Anodic Erosion Phenomena.- 7. Cathodic Phenomena.- [7-1] The Contracted Column in the Cathodic Region.- [7-2] Cathodic Sheath Phenomena.- [7-3] The Mechanism of Cathodic Emission.- [7-4] Division of the Cathodic Spot.- [7-5] Motions of the Cathodic Spot.- Appendix - Cathodic Erosion Phenomena.- 8. Post Arc Phenomena.- [8-1] Decay of the Afterglow Plasma.- [8-2] Influence of a Voltage Drop Across the Gap.- [8-3] Influence of Secondary Emission.- [8-4] Conditions of Reignition.- III: Methods of Plasma Diagnostics Relevant to Arc Physics.- 9. Diagnostic Techniques Wideley Used in Arc Physics.- [9-1] Optical Methods.- [9-2] Spectroscopic Methods.- [9-3] Electric Probes.- 10. Rapid Survey of the Other Methods of Plasma Diagnostics.- [10-1] Magnetic Probes.- [10-2] Microwave Techniques.- [10-3] Miscellaneous Techniques.- Appendix A. The Langmuir Paradox.- Appendix B. Steenbeck's Minimum Principle.

Reihe/Serie	Applied Physics and Engineering ; 8
Zusatzinfo	biography
Verlagsort	Berlin
Sprache	englisch
Gewicht	620 g
Themenwelt	Naturwissenschaften ► Physik / Astronomie ► Thermodynamik
Themenwelt	Technik ► Elektrotechnik / Energietechnik
ISBN-10	3-540-04054-4 / 3540040544
ISBN-13	978-3-540-04054-5 / 9783540040545
Zustand	Neuware