Journal of the Korean Society of Marine Engineering | VOL. 39
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2행정 대형 디젤엔진의 성능향상을 위한 연료첨가제의 실험적 연구

Publication Date Jul 31, 2015

Abstract

In an effort to reduce the onset of global warming, the International Maritime Organization Marine Environment Protection Committee (IMO MEPC) proposed the reduction in ship speeds as a way of lowering the proportion of carbon dioxide (CO2 ) in the Green House Gas emissions from ships. To minimize fuel costs, shipping companies have already been performing slow steaming for their own fleets. Specifically, the slow steaming approach has been adopted for most ocean-going container lines. In addition, because of the increased marine fuel cost that is required to enable increased capacity, there is an urgent need for more advanced fuel-saving technologies. Therefore, in this present study, we propose a fuel-cost reduction method that can im- prove the performance of diesel engines. We introduce a predetermined amount (0.025% of the amount of fuel used) of fuel addi- tive (oil-soluble calcium-based organometallic compound). For improved experimental accuracy, as the test subjects, we utilize a large two-stroke diesel engine installed in land plants. The loads of the test engine were classified as low, medium, and high (50, 75, and 100%, respectively). We compare the engine performance parameters (power output, fuel consumption rate, p-max, and exhaust temperature) before and after the addition of fuel additives. Our experimental results, confirmed that we can realize fuel-cost savings of at least 2% by adding the fuel additive in low load conditions (50%). Likewise, the maximum combustion pressure was found to have increased. On ...

Concepts
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Exhaust Temperature
Maximum Combustion Pressure
Fuel Consumption Rate
Low Load Conditions
Green House Gas Emissions
Ship Speeds
Land Plants
Test Subjects
Large Diesel Engine
Diesel Engine

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