Electromagnetic radiation of simulated mid-gap streamers
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Electromagnetic field from simulated double-headed mid-gap streamers is computed. The effect of the applied electric field is studied by considering electric fields higher than the conventional breakdown threshold (‘overvoltage’). The obtained results show a 20 dB decay at 3.8 GHz for conventional breakdown electric field, 35 GHz for ambient electric fields five times the conventional breakdown and 170 GHz for fields ten times the conventional breakdown electric field. The limitation in nature of the intense electric fields suggest further experiments using a radio receiver at frequencies of more than 10 GHz in order to investigate the origin of the detected x-rays in laboratory sparks.
CitacióMontaña, J., Fabro, F. Electromagnetic radiation of simulated mid-gap streamers. A: International Conference on Lightning Protection. "International Conference on Lightning Protection 2016: [Estoril, Portugal, 25-30 September 2016: proceedings]". Estoril: Zakon Group, 2016.