Abstract
The scarcity and rapid depletion of traditional petroleum supplies, as well as worldwide agreement to stabilize carbon emission concentrations in the atmosphere, have fueled research into alternative fuels for internal combustion engines. Among the many biodiesel resources, Used Frying Oils (UFO) without any other chemical processing have been shown to have the ability to reduce massive import oil expenses while reducing net CO2 gases into the environment However, because to their high viscosity and minimal volatility, UFO fueled engines have been known to have operating and durability issues. This research analyses the potential of using UFO as a biofuel mix in a compression ignition engine with no changes to injection pressure or ignition advance. Experiments were conducted in a 4.4 kW, naturally aspirated, 4-stroke, constant speed, air cooled, direct - injection engine with varied UFO and Jatropha Methyl Ester (JME) mix proportions to study the combustion, pollutant, and performance parameters. The results of UFO bio dual fueling with JME were compared to the results of JME. Various variables such as in-cylinder pressure, emissions, fuel consumption, speed, and so on were examined in order to get crucial parameters such as brake thermal efficiency and brake specific fuel consumption. Engine performance, emission, and combustion characteristics were determined to be similar to JME fuel when using UFO mixes. In summary, the use of UFOs in conjunction with biofuel would be a realistic solution for achieving self-sufficiency in addressing the exponentially expanding oil demand. From the test results, it is found that the performance of UFO blended JME is higher than that of neat JME due to its intrinsic physiochemical properties.
Published Version
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