◼ Sigla em inglês DBD (dielectric barrier discharge)
Significado
A descarga em barreira dielétrica (DBD) é uma forma específica de descarga elétrica que ocorre sobre alta tensão alternada no espaço gasoso entre os dois eletrodos separados fisicamente por uma barreira dielétrica. Podem ser usadas para produzir um grande volume de plasma não-térmico a pressão atmosférica .
Meaning
Dielectic Barrier discharge's (DBDs) also known as the silent discharge was first reported by Siemens in 1857. These discharges typically have an insulating dielectric between which an electrical discharge occurs between the electrodes and operates at high voltge powers ranging from low frequency AC, commonly at RF and recently even at microwave levels. The dielectric usually is shaped in the form we see used for common fluorescent tubings and are filled with either a rare gas or rare gas -halide mix which is at atmospheric pressure. (http://amarsall.ingyenw...)
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