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교류전기장이 인가된 상태에서 전선을 통해 전파하는화염에 대한 전선직경의 영향
박순호(S. H. Park),임승재(S. J. Lim),권오붕(O. B. Kwon),박정(J. Park),정석호(S. H. Chung) 한국연소학회 2017 한국연소학회지 Vol.22 No.3
An experimental study on spreading flame over electrical wire, which was insulated by Polyethylene(PE) and had different diameters, was conducted with applied AC electric field. The result showed that the flame spread rate decreased in increase of the diameter of insulator at a fixed electric field. The flame spread rate exhibited increase or decrease tendency with applied AC electric field, having three distinct regimes depending on applied voltage and frequency. In each regime, the flame spread rate was characterized by physical parameters of applied electric fields and wire dimensions, and the behaviors could be explained by a thermal balance mechanism.