Effect of Electrical Load On the Emulsification Methods of Inline Mixing System RTES Produced by The Static Mixer and Ultrasonic on Fuel Consumption and Emission Characteristics
Keywords:Electrical load, fuel consumption, non-surfactant emulsion, static mixer
The Water-in-Diesel emulsion (W/D emulsion) imposed the benefit of alternative fuel by reducing the main emission problems in the diesel engines such as Particulate Matters (PM) and Nitric Oxides (NOx) emissions. However, the main issue of W/D emulsion was dependency on surfactant which creates a huge barrier to commercialize this alternative fuel. Therefore, a new concept namely as the Real-Time Non-Surfactant Non-Emulsification System (RTES) was introduced to eliminate the surfactant in W/D emulsion. However, the effect of the electrical load of RTES operation in diesel engine vehicles is still unknown, especially on fuel consumption. Hence, this paper focussed on the effect of electrical load on the emulsification methods of inline mixing system RTES produced by the static mixer and ultrasonic on fuel consumption and emission characteristics. There are two different methods of emulsification made motor and static mixer (EMS) and motor, ultrasonic and static mixer (EMUS) from the RTES were tested of the light-duty lorry under the engine speed of 2200rpm. It is found that the electrical load from the operation of RTES increased the fuel consumption by 1.0% compared to the B10 fuel but reduced by 1.5% when the EMS emulsion fuel was applied. The EMS and EMUS emulsion exhibit the same pattern of NOx reduction by 7% However, EMS and EMUS increased by 20% and 16.5% for CO emission and 16.9% and 9.7% for HC emission respectively compared to B10 fuel. Overall, the electrical load in the RTES operation slightly consumed fuel consumption but the introduction of the static mixer in the RTES system had successfully be applied without deteriorated the benefit of emulsion fuel.
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