الملخص العربى
SUMMARY
INTRODUCTION
General
Ion species in air
Fundamental processes in gasdischarges
The streamer prediscbarae
Streamer development
SURFACE CORONA AND FLASHOVER
Photodetaclunent
Streamer development along the surface
Previouswork
Charge deposited on dielectric insulator surface by corona
Aims of the present investigation
EXPERIMENTAL ARRANGEMENT AND MEASURING TECHNIQUES
The experimental apparatus
Corona measurements
Measurement of humidity
EXPERIMENTAL RESULTS
Calibration of impluse generator
Flashover testing
Atmospheric correction factors
The flashover voltage probability distribution
PRE-FLASHOVER PROCESSES
Positive corona initiation and development
Current measurements
DISCUSSION
Negative ion density in air and at surface
lnfluence of an impulse voltage on ion movement
Stramer initiation and advance
Avalanche development near a surface
Effect of negative ions on positive corona
The effect of surface charge deposited by corona on the subsequent surface flashover
SUMMARY AND CONCLUSION
REFERENCES
الفهرس 
