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Yoo, Chun Sang
Combustion & Propulsion Lab
Research Interests
  • Numerical turbulent combustion
  • Combustion modelling
  • Gas turbine combustion

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AC 전기장이 인가된 구리 전선을 통해 전파하는 화염에 대해 피복재의 두께에 따른 화염 거동에 대한 실험적 연구

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Title
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
Author
강민성유춘상박정정석호권오붕
Issue Date
2020-12
Publisher
한국연소학회
Citation
한국연소학회지, v.25, no.4, pp.19 - 25
Abstract
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.
URI
https://scholarworks.unist.ac.kr/handle/201301/52708
DOI
10.15231/jksc.2020.25.4.019
ISSN
1226-0959
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