The Correlation of Biodiesel Blends with the Common Rail Diesel Engine’s Performance and Emission Characteristics

Abstract

The use of biofuel has been researched and announced by scientists to bring benefits in terms of environmental protection. However, studies continue to be conducted to achieve stable results and confirm biofuels as an effective alternative fuel for internal combustion engines. In this study, the fuel used is biodiesel derived from fish oil and conventional diesel fuel. Specifically, the test fuel is conventional diesel mixed with fish oil biodiesel in different ratios, including B0, B10, B20, B30, B40, and B50 (respectively 0%, 10%, 20%, 30% 40%, and 50% biodiesel in the mixture). Research was carried out by both simulation (from B0 to B50) and experiment (from B0 to B30) on a single cylinder common rail diesel engine. Test modes were at 25%, 50%, and 75% load respectively at maximum torque (at 1400 revolutions per minute (rpm)) and minimum fuel consumption (at 2200 rpm). Compared with B0, the average reduction in brake power of the biodiesel decreased relative to the proportion of biodiesel in the fuel mixture. Specific fuel consumption of the brakes (BSFC) and NOx emissions increased with decreasing emissions of smoke, hydrocarbon (HC), and carbon monoxide (CO) emissions when the biodiesel ratio increased.

Influence of Combustion Duration on the Performance and Emission Characteristics of a Spark-Ignition Engine Fueled with Pure Methanol and Ethanol

“…AVL Boost software was able to simulate almost all combustion engine types: SI engines, 24 − 26 CI engines, 27 turbocharged engines, 28 and alternative fuel engines. 29 , 30 …”

Obtention of biodiesel through an enzymatic two-step process. Study of its performance and characteristic emissions

“…For an engine in perfect condition, HC values decline as the revolutions per minute (rpm) rise, indicating that the supply system economizes appropriately, either in a carburettor or fuel injection system. 46 In the present study is observed that at medium speeds (1500–2000 rpm), there is a minimum in the HC emissions with an average reduction of about 27.7% compared with diesel fuel at any speed rating, Fig. S12 †.…”

A Study the Effect of Biodiesel Blends and the Injection Timing on Performance and Emissions of Common Rail Diesel Engines

“…As the calorific value was lower, the total amount of heat gained during combustion was reduced, and thus the amount of successfully converted heat was reduced. Because of the decrease in combustion delay, due to the higher cetane number of the biodiesel fuel, the mixture ignited faster, and the phenomena of both combustion and compression occurred when using bio-fuel, resulting in reduced power [20][21][22].…”

“…As the calorific value was lower, amount of heat gained during combustion was reduced, and thus the amount cessfully converted heat was reduced. Because of the decrease in combustion de to the higher cetane number of the biodiesel fuel, the mixture ignited faster, phenomena of both combustion and compression occurred when using bio-fuel ing in reduced power [20][21][22]. The results show that, at all load modes, the capacity of B0 was the highest ally decreased when the biodiesel mixing ratio increased, and reached its lowest with B50 fuel.…”