Abstract
The depletion of fossil fuels as well as the rises of greenhouse gases had caused most government worldwide to follow the international energy policies for the use of biodiesel. One of the economical sources for biodiesel production is waste cooking oil. The use of waste cooking oil is more sustainable if they can perform similarly to conventional diesel fuel. This paper deals with the experimental study carried out to evaluate the engine performance and exhaust emission of diesel engine operated by biodiesel from waste cooking oil at various engine speed. The biodiesel used are known as B5, which contains of 5% of waste cooking oil and 95% of diesel fuel. The other one is B20, which contains of 20% of waste cooking oil plus 80% of diesel. Diesel was used as a comparison purposes. The results show that power and torque for B5 give the closest trend to diesel. In terms of heat release, diesel still dominates the highest value compared to B5 and B20. For exhaust emission, B5 and B20 showed improvement in the reduction of NOx and PM.
Highlights
The extensive usage of diesel engines has led to an increase in demand for diesel fuel, causing the decrease of petroleum fuel stocks
Two types of biodiesel which produced from waste cooking oil were used to evaluate the diesel engine performance and exhaust emissions
International Integrated Engineering Summit 2014 and 95% diesel fuel, and B20 contains of 20% waste cooking oil and 80% diesel fuel.The measurement of the fuel properties was conducted in order to ensure that all biodiesel is complied with ASTM biodiesel standard
Summary
The extensive usage of diesel engines has led to an increase in demand for diesel fuel, causing the decrease of petroleum fuel stocks. The consumption of diesel fuel gives negative effect to the environment by the rises of greenhouse gases At this point, attention has been given towards the production of biodiesel as an alternative fuel. In order to overcome these problems, most researchers used a small percentage of waste cooking oil to be blended with diesel fuel and tested for engine compatibility. In this present study, two types of biodiesel which produced from waste cooking oil were used to evaluate the diesel engine performance and exhaust emissions. Two types of biodiesel which produced from waste cooking oil were used to evaluate the diesel engine performance and exhaust emissions These test fuels were compared with ordinary diesel fuel. The emission parameters such as CO, CO2, NOx and PM were measured during the engine performance test
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