Fundamental processes in long air gap discharges
نویسندگان
چکیده
منابع مشابه
Multiple x-ray bursts from long discharges in air
A lightning surge generator generates a high-voltage surge with a 1.2μs rise time. The generator fed a spark gap of two pointed electrodes at 0.7 to 1.2 m distances. Gap breakdown occurred between 0.1 and 3μs after the maximum generator voltage of approximately 850 kV. Various scintillator detectors with different response times recorded bursts of hard radiation in nearly all surges. The bursts...
متن کاملNarrow gap electronegative capacitive discharges
Narrow gap electronegative (EN) capacitive discharges are widely used in industry and have unique features not found in conventional discharges. In this paper, plasma parameters are determined over a range of decreasing gap length L from values for which an electropositive (EP) edge exists (2-region case) to smaller L-values for which the EN region connects directly to the sheath (1-region case...
متن کاملThe Fundamental Gap
The second main problem to be focused on at the workshop is what we’ll refer to as the Fundamental Gap Problem, which is the problem of finding a sharp lower bound to the gap between the first two eigenvalues of a Schrödinger operator on a bounded convex domain with convex potential in terms of the diameter of the domain. We call the lowest eigenvalue gap, i.e., the gap between the first two ei...
متن کاملCharacteristics of Spark Gap Voltage Waveforms for Air Discharges of Electrostatic Discharge Guns
To grasp the characteristics of air discharges of electrostatic discharge (ESD) guns, time-variant spark gap voltage waveforms at low charge voltages are discussed. Through the application of our proposed circuit approach using measured discharge current waveforms and frequency characteristics of an ESD–gun, the time-variant spark gap voltage waveforms for air discharges of an ESD–gun can be es...
متن کاملEnergy Distribution of X-rays Produced by Meter-Long Negative Discharges in Air
The energy deposited from X-rays generated by 1 m long laboratory sparks in air created by 950 kV negative lightning impulses on scintillated detectors was measured. Assuming the X-ray energy detected in such sparks results from the accumulation of multiple photons at the detector having a certain energy distribution, an experiment was designed in such a way to characterize their distribution p...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Comptes Rendus Physique
سال: 2002
ISSN: 1631-0705
DOI: 10.1016/s1631-0705(02)01414-7