scholarly journals Experimental Study on Performance and Exhaust Emission Characteristics of a C.I. Engine Fuelled with Tri Compound Oxygenated Diesel Fuel Blends

2015 ◽  
Vol 8 (4) ◽  
pp. 307 ◽  
Author(s):  
P. Navaneethakrishnan ◽  
D. Vasudevan
Author(s):  
Bulent Özdalyan ◽  
Recep Ç. Orman

The heat values of waste mineral oils are equal to the heat value of the fuel oil. However, heat value alone is not sufficient for the use of waste mineral oils. as fuel. However, the critical physical properties of fuels such as density and viscosity need to be adapted to the system in order to be used. In this study, the engine oils used in the first 10,000 km of the vehicles were used as waste mineral oil. An organic-based Mn additive was synthesized to improve the properties of the waste mineral oil. It was observed that mixing the Mn additive with the waste mineral oil at different doses (4, 8, 12 and 16 ppm) improves the viscosity of the waste oil and the flash point. The resulting fuel was evaluated for emission using different loads in a 5 kW capacity generator to compare the fuel with standard diesel fuel and to determine the effect of Mn addition. In the experimental study, it was observed that the emission characteristics of the fuel obtained from waste mineral oil were worse than diesel fuel, but some improvement with Mn addition. As a result, we found that the use of waste mineral oils in engines in fuel standards was not appropriate, but may be improved with additives.


Author(s):  
Tamilvanan A. ◽  
K. Balamurugan ◽  
T. Mohanraj ◽  
P. Selvakumar ◽  
B. Ashok ◽  
...  

Biodiesel is proven to be the best substitute for petroleum-based conventional diesel fuel in existing engines with or without minor engine modifications. The performance characteristics of biodiesel as a fuel in CI engine are slightly lower than that of diesel fuel. The emission characteristics of biodiesel are better than diesel fuel except NOX emission. The thermo-physical properties of biodiesel are improved by suspending the nano metal particles in the biodiesel, which make them an observable choice for the use of nanoparticles-added fuels in CI engine. High surface area of nanoparticles that promotes higher operating pressure and heat transfer rates that further quicken the combustion process by providing better oxidation. Thus, it has been inferred that addition of nanoparticles as an additive to biodiesel fuel blends in diesel engines and its effects on performance, combustion, and emission characteristics are discussed in this chapter.


2016 ◽  
Vol 78 (6) ◽  
Author(s):  
Alireza Shirneshan ◽  
Amin Nedayali

The growing demand of diesel power generators in Iran has led to air pollution. Hence, it is necessary to ascertain the level of performance and emissions of the diesel power generators fueled with biofuels. For the first time, in this study, the effect of biodiesel from waste cooking oil and diesel fuel blends (B0, B20, B50, B80 and B100) on the performance (brake power, brake torque, BSFC, brake thermal efficiency and exhaust gas temperature) and emission characteristics (CO and NOx) of a diesel power generator model CAT3412 was investigated. The experiments were conducted at rated engine speed 1530 rpm and various engine loads (25%, 50%, 75% and 100%). The results of the study showed an increase in brake power, brake torque, BTE and NOx emission and a reduction trend in BSFC and CO emission at higher engine loads for all the biodiesel-diesel blends. In addition, the research results indicated that B20 and B50 fuel blends in terms of performance emission characteristics could be recognized as the potential candidates to be certificated for usage in the diesel power generator.


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