Abstract
This research is attempted to study of diesel oil-water emulsion fuel (water in-oil type) for direct injection single cylinder diesel engine. The laboratory experimental project is using 10% water mixed with Diesel Oil (DO) and in a few of inorganic surfactant by volume ratio (10% water, 89% diesel oil, 1% surfactant). These components are mixed in mechanical mixer controlled, to produce blending fuel. During the blending process the special surfactant will make oil surrounds the water droplet to prevent the water from separating out of the mixture. The encapsulation of water in oil in micrometer sizing is prevents the water from contacting any metal engine parts. The experimental laboratory is conducted with single cylinder diesel engine set-up at 2000 rpm with variable of engine load. Measurement of engine emissions parameters at different load conditions have generally indicated reduce in engine CO, NO and SO2 emission as compared to base diesel oil.
Highlights
Engine manufacturers have succeeded in developing diesel engine with high thermal efficiency and power concentration, always keeping inside the frame of complying with the imposed emission regulations that become every day more and more stringent (Obert, 1973)
The emulsion fuel which is mix heavy fuel oil (HFO) and water that droplet form as water in oil type was succeed studied by Javier (1995) and developed to applied in boiler by ECC corporation (Nohara, 2000) and Kim (2006)
The water in the emulsions with w/o type that is suspended in the fuel by a surfactant, water does not come www.ccsenet.org/mas into direct contact with engine surface
Summary
Engine manufacturers have succeeded in developing diesel engine with high thermal efficiency and power concentration, always keeping inside the frame of complying with the imposed emission regulations that become every day more and more stringent (Obert, 1973). Diesel engines are used in transportation, electric power generation, farming, construction and in many industrial activities. These wide fields of the usage lead to increasing requirement of petroleum derived from fuels. The water in the emulsions with w/o type that is suspended in the fuel by a surfactant, water does not come www.ccsenet.org/mas into direct contact with engine surface. This type provides advantages due to enhanced in-cylinder droplet evaporation caused by droplet micro-explosion from rapid gasification of suspended water in the atomized droplets (Kadota, 2002)
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