Analyses of electron runaway in front of the negative streamer channel
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017ja023917
Abstract: X-and γ-ray emissions, observed in correlation with negative leaders of lightning and long sparks of high-voltage laboratory experiments, are conventionally connected with the bremsstrahlung of high-energy runaway electrons (REs). Here we extend a focusing mechanism,… read more here.
Keywords: ionization wave; channel; electron runaway; streamer ... See more keywords
Active species evolution in the presence of different targets impacted by a helium plasma jet at atmospheric pressure
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ac4294
Abstract: A low-temperature plasmas jet is generated by a dielectric barrier discharge powered by a pulsed high voltage in helium flow (3 L min−1) at atmospheric pressure in the presence of different targets (a glass slide, ultra-pure… read more here.
Keywords: surface; plasma; target; ionization wave ... See more keywords
The role of resonance radiation in the propagation of a positive pre-breakdown ionization wave in long discharge tubes
Sign Up to like & getrecommendations! Published in 2021 at "Plasma Sources Science and Technology"
DOI: 10.1088/1361-6595/ac3ba0
Abstract: The work is devoted to calculating the flux of resonance photons towards the boundary of a cylindrical discharge tube of a finite size during the propagation of a pre-breakdown ionization wave of positive polarity. A… read more here.
Keywords: propagation; discharge; resonance; ionization wave ... See more keywords
Fast high-power thyristors triggered in impact-ionization wave mode
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/14/10/p10006
Abstract: GTO-like thyristors 5STH-2045H0002 (4.5 kV, 18 kA/us) developed by ABB semiconductors are currently used at CERN in LHC Beam Dumping System (LBDS): high-power switches with high dI/dt capability and low turn-on delay time are required.… read more here.
Keywords: high power; thyristor; ionization; ionization wave ... See more keywords
Investigation of Silicon Diodes in the Mode of Switching by an Impact-Ionization Wave
Sign Up to like & getrecommendations! Published in 2018 at "Instruments and Experimental Techniques"
DOI: 10.1134/s0020441218030211
Abstract: The results of investigations of silicon diodes in the mode of switching by nanosecond pulses, which initiate an impact-ionization wave, are presented. It is shown that the switching process is significantly influenced by dislocations that… read more here.
Keywords: impact ionization; ionization wave; mode switching; silicon diodes ... See more keywords