Effect of fuel temperature on heavy fuel oil spray characteristics in a common-rail fuel injection system for marine engines

2015 ◽  
Vol 104 ◽  
pp. 580-589 ◽  
Author(s):  
Junkyu Park ◽  
Ji Hwan Jang ◽  
Sungwook Park
Keyword(s):  
Fuel Injection ◽  
Common Rail ◽  
Fuel Oil ◽  
Injection System ◽  
Fuel Injection System ◽  
Fuel Temperature ◽  
Heavy Fuel Oil ◽  
Spray Characteristics ◽  
Marine Engines

Performance Improvement of a HFO Fuelled Medium-Speed Diesel Engine

2011 ◽  
Vol 148-149 ◽  
pp. 1504-1509
Author(s):  
Li Yan Feng ◽  
Bao Guo Du ◽  
Jia Xing Li ◽  
Xin Liu
Keyword(s):  
Diesel Engine ◽  
Diesel Fuel ◽  
Fuel Economy ◽  
Fuel Injection ◽  
Fuel Oil ◽  
Injection System ◽  
Fuel Injection System ◽  
Heavy Fuel Oil ◽  
Cycle Simulation ◽  
Medium Speed

This paper presents the endeavor to use Heavy Fuel Oil on a medium-speed diesel engine. The researched engine is a locomotive diesel engine, which used to be only fuelled with light diesel fuel. Since the fuel injection system of the original engine is unfit for HFO, the authors reformed the fuel injection system to meet the requirements of using HFO. In order to decrease the viscosity of the fuel, light diesel fuel was blended with HFO and heating apparatus was applied. A serial of experiments were carried out to check the performance of the reformed engine. Meanwhile, 1-D engine working cycle simulation tool was employed to study the fuel economy and combustion performance of the engine. The results indicate that compared with using light diesel fuel, when using HFO, the engine’s power performance was maintained, and the brake specific fuel consumption was increased. But considering lower price of heavy fuel oil, the fuel economy was greatly improved.

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