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   Assessment of the Performance and Exhaust Emission of A Diesel Engine Using Water Emulsion Fuel (Wef) in Different Engine Speed and Load Conditions  
   
نویسنده Hoseini Saeed ,Sobati Mohammad Amin
منبع Journal Of Renewable Energy And Environment - 2021 - دوره : 8 - شماره : 1 - صفحه:58 -68
چکیده    The performance characteristics and exhaust emission of a diesel engine using water emulsion fuel (wef) have been investigated under different engine speeds (1600 to 2400 rpm) and load conditions (25 to 100 %). the experiments were carried out on an air-cooled diesel engine of single cylinder using the wef containing 5 % water, 2 % surfactant with hydrophilic-lipophilic balance (hlb) of 6.8. the engine performance and exhaust emission using wef were also compared with the neat diesel fuel (ndf). according to the results, average reduction of 9.7 % in the engine torque and brake power was observed using wef at all engine speeds. in addition, a 7.9 % increase in the brake specific fuel consumption (bsfc) and a 3.7 % increase in the brake thermal efficiency (bte) were observed for wef in comparison with ndf in all loading conditions. in case of emission, significant lower hydrocarbon emission (i.e., 14.6 % on average) was observed for wef comparing to ndf at all engine speeds. moreover, a considerable reduction in the nox emission (i.e., 31.1 % on average) was observed for the wef comparing to the ndf in every engine load. in summary, the application of wef leads to the reduction in the emission of different pollutants with a positive impact on the environment.
کلیدواژه Water Emulsion Fuel ,Engine Performance ,Exhaust Emission ,Engine Speed ,Engine Load
آدرس Iran University Of Science And Technology, Department Of Chemical, Petroleum And Gas Engineering, Iran, Iran University Of Science And Technology, Department Of Chemical, Petroleum And Gas Engineering, Iran
پست الکترونیکی sobati@iust.ac.ir
 
 

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