AC 전기장이 인가된 구리 전선을 통해 전파하는 화염에 대해 피복재의 두께에 따른 화염 거동에 대한 실험적 연구
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- AC 전기장이 인가된 구리 전선을 통해 전파하는 화염에 대해 피복재의 두께에 따른 화염 거동에 대한 실험적 연구
- Other Titles
- Effects of Insulation Thickness on Flame Spread over Electrical Copper Wire with Applied AC Electric Fields
- 강민성; 유춘상; 박정; 정석호; 권오붕
- Issue Date
- 한국연소학회지, v.25, no.4, pp.19 - 25
- Effects of insulation thickness on flame spread over electrical copper wires with applied AC electric fields were experimentally investigated. The AC volrage and frequency varied in ranges of 0-5 kV and 10-1000 Hz, respectively. A one electrode configuration was used such that the electric potential was applied to one wire end and thus the infinite ambience could be a ground. The results showed that the flame shape and the tilting direction were significantly influnced by applied voltage and frequency. The flame spread rate decreased in an increase of insulation thickness as well as varied sensitively with applied votage and frequency. Additionally, the molten polyethylene (PE) experienced various dynamic behaviors such as dripping of molten PE, electrospray, di-electro-phoresis, and rotation of molten PE, essentially affecting the flame spread rate. These complicated phenomena were systematically analyzed and discussed.
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