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A Study on Economical Operation of a Ship's Main Engine - The case of Training Ship SAENURI -

선박 기관의 경제적 운전에 관한 연구 - 실습선 새누리호를 중심으로 -

  • Received : 2012.12.03
  • Accepted : 2013.02.25
  • Published : 2013.02.28

Abstract

Operation Abstract : Operational cost required for navigating a ship may differ from according to type, scale, economic speed, navigation area and other factors. However, it is known that the fuel oil price ratio takes 50~60 %. It is the current trend because of the use of poor quality fuel and it is reviewed even for small to medium sized ships to save the operational costs due to the recent rise of international oil price. Furthermore, ocean carriers are taking action to low speed navigation as the alternative method of reducing fuel consumption. Hence, in this study, fuel consumption of main engine was measured by using actual operating ship data compared with sea speed at sea. It was suggested that the area of M/E's load(70 %) lower than NCR is the optimal navigating condition through the relation between speed and fuel consumption compared with advance ratio together with the load.

선박의 운항에 소요되는 운항비는 선박의 종류, 크기, 속력, 항행구역 등에 따라 다를 수 있지만, 연료비가 차지하는 비율은 50~60 %에 달하는 것으로 알려져 있다. 최근 국제 유가의 상승으로 인한 선박 운용비를 절감하기 위하여 중소형 선박에서도 저질연료유의 사용이 검토되고 있는 추세이다. 더 나아가 해운선사들은 연료소모량을 줄이기 위한 방법으로 감속운항을 취하고 있다. 따라서, 본 연구에서는 실선을 이용하여 해상에서의 선속대비 주기관의 연료소모량을 계측하고, 부하에 따른 전진계수 대비 속력과 연료소모량의 관계를 통해 상용연속출력보다 낮은 주기관 부하의 70 % 영역이 최적의 운항조건이라고 제안하였다.

Keywords

References

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  2. A Study on the Engine Performance Analysis Due to Increase of Ship's Age vol.16, pp.2, 2013, https://doi.org/10.17958/ksmt.16.2.201404.1315
  3. 중소형 선박의 안전항해를 위한 주기관 최소출력에 관한 연구 vol.42, pp.6, 2013, https://doi.org/10.5394/kinpr.2018.42.6.415