Journal of the Korean Society of Marine Environment & Safety (해양환경안전학회지)

The Korean Society of Marine Environment and safety (해양환경안전학회)
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Real Time Measurement of Exhaust Emissions from Main Engine using Training Ship

실습선을 이용한 주 추진기관의 배기배출물의 실시간 계측

  • Received : 2013.07.10
  • Accepted : 2013.10.25
  • Published : 2013.10.31
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Abstract

In this study, we conducted real-time measurement at the ship arrivals and departures at the port and at a constant speed of 150 rpm for exhaust emissions from a main engine installed on the training ship, HANBADA, of Korea Maritime University. The result showed that the concentration of nitrogen oxide was measured in the range of 800 ppm to 1,000 ppm at constant speed mode. On the other hand, the concentration of nitrogen oxide during ship arrivals and departures was significantly fluctuated between 210 ppm and 1,230 ppm. And, the concentration of carbon oxide at the arrivals and departures was also larger than that of at constant speed mode. These results show that the ship maneuvering skills to prevent a sudden load change of main engine at the arrivals and departures of ship is needed. Additionally, it means that the difference of exhaust emissions generated between the constant speed mode and the arrival/departure has to be considered when invented many technologies are adopted into the reduction technologies of air pollutants from ships.

본 연구에서는 한국해양대학교 실습선 한바다를 이용하여 선박의 입 출항 및 약 150 rpm의 정속 운항 할 때 주기관에서 배출되는 배기가스를 실시간 계측하였다. 실측 결과 질소산화물의 농도는 정속 운항시 800 ppm 에서 1,000 ppm 사이인데 반해, 입 출항시에는 210 ppm 에서 1,230 ppm 까지 큰 범위에서 값이 변화하였다. 일산화탄소의 농도 역시 정속운항 상태 보다 입 출항시 측정값의 변화가 크게 나타났다. 이러한 결과는 입 출항시 가능한 한 주기관의 부하변동이 급격히 발생되지 않도록 하는 선박 조종 스킬이 필요하다는 것을 의미한다. 또한, 배기가스 저감 기술의 적용에 있어 입 출항시와 정속 운항할 때 그 차이를 고려할 필요가 있다는 것을 나타낸다.

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References

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Cited by

  1. A Study on the Green Ship Design for Ultra Large Container Ship vol.21, pp.5, 2015, https://doi.org/10.7837/kosomes.2015.21.5.558