Journal of Advanced Marine Engineering and Technology

  • 제37권1호
  • /
  • Pages.1-8
  • /
  • 2013
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  • 2234-7925(pISSN)
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  • 2234-8352(eISSN)
한국마린엔지니어링학회 (The Korean Society of Marine Engineering)
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유화액적 연료의 점화와 미소폭발의 특성

Characteristics of ignition and micro-explosion for droplets of water-in-fuel emulsion

  • 정인철 (대한건설기계안전관리원) ;
  • 이경환 (순천대학교, 기계우주항공공학부)
  • 투고 : 2012.06.28
  • 심사 : 2013.01.17
  • 발행 : 2013.01.31
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초록

데칸에 물을 혼합하여 일정한 크기와 간격으로 액적을 형성하여 물과의 혼합비율, 분위기 온도, 액적의 크기와 간격 등이 유화액적의 점화와 미소폭발의 특성에 어떠한 영향을 주는가를 고온의 연소실에서 특성을 비교하였다. 점화가 시작하는 온도는 물의 비율이 낮을수록, 액적 크기가 클수록 낮아진다. 물의 혼합비율에 따른 수명시간은 단일 액적에서는 미소폭발의 영향으로 수명시간이 현저하게 짧아지나, 액적크기가 크고 분위기온도가 높을수록 미소폭발의 발생빈도는 자주 나타나게 된다. 퍼짐시간은 물의 혼합비율이 적을수록 더 빨라지고 서스펜더의 수가 많을수록 더 짧아짐을 알 수 있다.

The water-in-fuel droplets were applied to investigate the effect of mixing ratio between water and decane, ambient temperature, droplet size and spacing between droplets on ignition and micro-explosion in a heated chamber with high temperature. The ignition temperature of droplet was found lower as the droplet size was increased and the contents of water was decreased. The life time of droplet, however, decreases as the contents of water increases due to the micro-explosion. The occurrence of micro-explosion also increases as the size of droplets and the ambient temperature increase. The flame spread speed gets faster as the contents of water and the number of suspender decreases.

키워드

참고문헌

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피인용 문헌

  1. An experimental study on development of water mist fire-fighting systems for Ro-Ro spaces vol.37, pp.8, 2013, https://doi.org/10.5916/jkosme.2013.37.8.946
  2. Comparison of NOx and Smoke Characteristics of Water-in-Oil Emulsion and Marine Diesel Oil in 400-kW Marine Generator Engine vol.12, pp.2, 2019, https://doi.org/10.3390/en12020228