The Effect of High Water Content of Fuel on Diesel Engine Emission
Keywords:
water-in-fuel emulsion, pollutants reduction, diesel, surrogate fuel, combustion
Abstract
Introducing water with fuel in diesel engines has been proved to be powerful and economical method for reducing combustion pollutant emissions from the engine Most studies available in literature discuss the effect of adding water to the fuel in the range 5 to 10 water In this paper results of modeling study are presented where the effect of relatively high water content in fuel has been investigated The fuel used was a surrogate mixture composed of 70 n-Heptane and 30 Toluene with two water contents of 25 and 35 by volume The modeling study was performed using the commercially available software CHEMKIN at diesel engine-relevant conditions The results show that water even at high percentages still has the tendency to reduce pollutant emissions as its concentration increases Also fuel consumption was found to decrease by increasing water content However the tradeoff with CO and Unburned Hydrocarbons UHC emissions was maintained
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Published
2012-10-15
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Copyright (c) 2012 Authors and Global Journals Private Limited
This work is licensed under a Creative Commons Attribution 4.0 International License.