RUNAWAY ELECTRONS PREIONIZED DIFFUSE DISCHARGES

RUNAWAY ELECTRONS PREIONIZED DIFFUSE DISCHARGES

Library of Congress Cataloging-in-Publication Data

CONTENTS

PREFACE

Chapter 1: FORMATION OF RUNAWAY ELECTRONS PREIONIZED DIFFUSE DISCHARGES AT HIGH PRESSURE

ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL EQUIPMENT AND TECHNIQUES

3. RESULTS OF THE REP DD RESEARCHES IN ONE PULSE MODE

4. ENERGY DEPOSITION INTO REP DD

5. RESULTS OF THE REP DD RESEARCHES IN PULSE PERIODIC MODE

6. ON THE REP DD RADIATION

7. ON THE REP DD FORMATION MECHANISM

CONCLUSION

ACKNOWLEDGMENT

REFERENCES

Chapter 2: X-RAY CHARACTERISTICS IN REPETITIVE NANOSECOND-PULSE DISCHARGES IN OPEN AIR

ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL SETUP AND MEASUREMENT ARRANGEMENT

3. EXPERIMENTAL RESULTS AND DISCUSSION

CONCLUSION

ACKNOWLEDGMENT

REFERENCES

Chapter 3: RADIATIVE PROPERTIES AND MAIN PLASMA PARAMETERS OF REPDD

ABSTRACT

1. INTRODUCTION

2. OPTICAL MEDIA AND RADIATION IN REP DD

3. AMPLITUDE-TIME AND SPECTRAL CHARACTERISTICS OF RADIATION IN REP DD

4. EXCILAMPS ON INERT GAS DIMERS

5. EXCILAMPS ON INERT GAS HALOGENIDES

6. LAMPS ON N2

7. MAIN REP DD PLASMA PARAMETERS

CONCLUSION

ACKNOWLEDGMENTS

REFERENCES

Chapter 4: GENERATION OF RUNAWAY ELECTRONS AND X-RAYS IN AN INHOMOGENEOUS ELECTRIC FIELD AT HIGH GAS PRESSURES

ABSTRACT

INTRODUCTION

2. SETUPS AND METHODS

3. RESULTS AND DISCUSSION

4. MAXIMUM SAEB AMPLITUDES IN ATMOSPHERIC PRESSURE AIR IN SINGLE PULSE MODE

5. RUNAWAY ELECTRONS AND X-RAY GENERATION IN REPETITIVE PULSED MODE

6. EFFECT OF NITROGEN TEMPERATURE ON SAEB PARAMETERS IN REPETITIVE PULSED MODE

7. MECHANISM OF RUNAWAY ELECTRON GENERATION IN GASES AT ELEVATED PRESSURES

CONCLUSION

ACKNOWLEDGMENT

REFERENCES

Chapter 5: TRANSITION FROM RUNAWAY ELECTRON PREIONIZED DIFFUSE DISCHARGE IN AN INHOMOGENEOUS ELECTRIC FIELD TO SPARK DISCHARGE

ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL EQUIPMENT AND PROCEDURE

3. RUNAWAY ELECTRONS PREIONIZED DIFFUSE DISCHARGE AND SPARK FORMATION IN A NONUNIFORM ELECTRIC FIELD

4. SPECTRA OF REP DD AND SPARK DISCHARGES

5. DIFFUSE DISCHARGE–SPARK TRANSITION

6. DISCUSSION OF THE RESULTS

CONCLUSION

ACKNOWLEDGMENTS

REFERENCES

Chapter 6: TRANSITION OF ELECTRONS TO THE MODE OF CONTINUOUSLY ACCELERATION AT SUBNANOSECOND PULSE ELECTRIC BREAKDOWN IN HIGH-PRESSURE GASES

ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL SETUP

3. EXPERIMENTAL RESULTS AND DISCUSSION

4. APPLICABILITY OF CLASSICAL CRITERION OF CONTINUOUS ACCELERATION OF ELECTRONS IN HIGH-PRESSURE GASES

CONCLUSION

ACKNOWLEDGMENT

REFERENCES

Chapter 7: MODELING OF DIFFUSE GAS DISCHARGES INITIATED BY RUNAWAY ELECTRONS

ABSTRACT

ANALYTICAL MODELS OF RUNAWAY ELECTRONS GENERATION

HYDRODYNAMIC AND KINETIC SIMULATIONS

PARTICLE-IN-CELL SIMULATIONS

HYBRID SIMULATIONS

CONCLUSION

REFERENCES

Chapter 8: MICROCHANNELS IN ATMOSPHERIC PRESSURE PULSED DISCHARGES

ABSTRACT

INTRODUCTION

1. ON THE POSSIBILITY OF MICROSTRUCTURE EXISTENCE

2. EXPERIMENTAL STUDIES OF THE SPATIAL STRUCTURE OF NANOSECOND DISCHARGES

3. FORMATION OF THE MICROSTRUCTURE

4. BRIDGING THE DISCHARGE GAPS OF MICROSTRUCTURING CURRENT CHANNELS

5. DYNAMICS OF A SYSTEM OF MICROCHANNELS AND HIGH-ENERGY ELECTRON GENERATION

6. STUDYING THE MICROSCOPIC CHARACTERISTICS OF BARRIER DISCHARGES

CONCLUSION

REFERENCES

Chapter 9: DIFFUSE AND STREAMER DISCHARGES AT INTERMEDIATE PRESSURES

ABSTRACT

I. INTRODUCTION

II. PHYSICS OF CLASSICAL STREAMER DISCHARGES AT ATMOSPHERIC PRESSURE

III. STREAMER TO DIFFUSE DISCHARGE TRANSITION AT VERY HIGH OVERVOLTAGE

IV. DISCHARGE BEHAVIOUR FOR HIGHER PRESSURES

V. DISCHARGE BEHAVIOUR FOR LOWER PRESSURES

CONCLUSION

REFERENCES

Chapter 10: CORRELATION BETWEEN X-RAY RADIATION AND RUNAWAY ELECTRON BEAM SPECTRA IN A NANOSECOND DIFFUSE DISCHARGE IN ATMOSPHERIC PRESSURE AIR

ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL EQUIPMENT AND METHODS

3. EXPERIMENTAL DATA

4. SAEB SPECTRUM RECONSTRUCTION

5. CALCULATION OF THE X-RAY QUANTUM SPECTRUM

CONCLUSION

ACKNOWLEDGMENT

REFERENCES

Chapter 11: DYNAMIC DISPLACEMENT, DISPLACEMENT AND CONDUCTION CURRENTS DURING NANOSECOND-PULSE DIFFUSE DISCHARGES IN ATMOSPHERIC PRESSURE AIR

ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL EQUIPMENT AND TECHNIQUES

3. RESULTS AND DISCUSSION

4. GENERATION MECHANISM OF A SUPERSHORT AVALANCHE ELECTRON BEAM

5. ANALYSIS OF DISPLACEMENT CURRENT

CONCLUSION

ACKNOWLEDGMENTS

REFERENCES

Chapter 12: DIFFUSE CORONA DISCHARGE IN ATMOSPHERIC PRESSURED AIR

ABSTRACT

1. INTRODUCTION

2. SETUP AND TECHNIQUES

3. EXPERIMENTAL RESULTS

4. FORMATION OF THE CORONA DISCHARGE

CONCLUSION

ACKNOWLEDGMENTS

REFERENCES

Chapter 13: INVESTIGATION OF DISCHARGE FORMATION AND GENERATION OF RUNAWAY ELECTRONS BEAM IN DENSE GASES

1. STREAK INVESTIGATIONS OF THE INITIAL PHASEOF A SUBNANOSECOND PULSED ELECTRICAL BREAKDOWN OF HIGHPRESSURE GAS GAPS

2. NUMERICAL SIMULATION OF FORMATION AND CHARACTERISTICS OF RAE BEAM

CONCLUSION

ACKNOWLEDGMENTS

REFERENCES

Chapter 14: BREAKDOWN OF GAS GAPS IN A NONUNIFORM ELECTRIC FIELD AT A SHORT VOLTAGE PULSE RISE TIME

ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL EQUIPMENT AND TECHNIQUES

3. RESULTS AND DISCUSSION

4. EXTENSION OF BREAKDOWN CRITERION (1)TO THE NONUNIFORM FIELDS

CONCLUSION

ACKNOWLEDGMENT

REFERENCES

Chapter 15: PULSED DISCHARGES IN A WIDE DENSITY RANGE: PLASMA DEVELOPMENT AND MEDIA EXCITATION

ABSTRACT

SHORT PULSE DISCHARGES IN PLASMACHEMICAL APPLICATIONS: NEW OPPORTUNITIES

FAST IONIZATION WAVES

STREAMER DISCHARGES

DIELECTRIC BARRIER DISCHARGES

SURFACE DIELECTRIC BARRIER DISCHARGES ATATMOSPHERIC PRESSURE

PULSED DISCHARGES IN LIQUIDS

CONCLUSION

ACKNOWLEDGMENTS

REFERENCES

Chapter 16: FORMATION OF SELF-SUSTAINED VOLUME DISCHARGE

ABSTRACT

1. INTRODUCTION

2. FORMATION OF HIGH-PRESSURE DISCHARGES

3. ENERGY INPUT INTO THE GAS

CONCLUSION

REFERENCES

Chapter 17: ON MECHANISM OF THE SURFACE STREAMER PROPAGATION ALONG A DIELECTRIC PLATE

ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL SETUP

3. THICKNESS OF SS

4. MATHEMATICAL MODEL

5. SET OF SPECIES AND PROCESSES

6. CALCULATION VS EXPERIMENT

7. DISCUSSION

CONCLUSION

REFERENCES

Chapter 18: GAS LASERS PUMPED BY RUNAWAY ELECTRON PREIONIZED DIFFUSE DISCHARGE

ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL SETUP AND MEASURING METHODS

3. EXPERIMENTAL RESULTS AND DISCUSSION

CONCLUSION

ACKNOWLEDGMENTS

REFERENCES

Chapter 19: APPLICATION OF RUNAWAY ELECTRON PREIONIZED DIFFUSE DISCHARGES FOR SURFACE CLEANING AND MODIFICATION

ABSTRACT

INTRODUCTION

EXPERIMENTAL SETUPS AND RESEARCH TECHNIQUES

3. EXPERIMENTAL RESULTS AND DISCUSSION

CONCLUSION

ACKNOWLEDGMENTS

REFERENCES

Chapter 20: RUNAWAY ELECTRONS GENERATION IN “OPEN DISCHARGE”: FUNDAMENTALS AND APPLICATIONS

ABSTRACT

1. INTRODUCTION

2. GENERAL CONDITIONS OF ELECTRON BEAM GENERATION IN DISCHARGES

3. PECULIARITIES OF ELECTRON EMISSION FROM COLD CATHODES IN GAS DISCHARGE COMPARED TO VACUUM CONDITIONS

4. EB GENERATION IN THE OPEN DISCHARGE

5. MAIN CHARACTERISTICS OF AN OPEN DISCHARGE

6. QUASI CONTINUOUS AND PULSE OPEN DISCHARGE

7. PULSE OPERATION MODE OF OD

8. THE DEVELOPMENT PERIOD OF AN OPEN DISCHARGE

CONCLUSION

REFERENCES

INDEX