KAJIAN PRESTASI PENGGUNAAN BAHAN API ENVO-DIESEL DALAM SISTEM PEMBAKARAN

Mohammad Nazri Mohd Jaafar, Muhammad Roslan Rahim, Mohd Naqiuddin Mohd Salleh

Abstract


This paper presents an investigation on the combustion performance of an oil burner system utilising various Envo-diesel blends. Fuel used in this study is the blend of diesel with palm oil called Envo-Diesel. The experiment was conducted using E5, E10, E15, E20 and E25 as fuel. All fuel blends were investigated using two different types of nozzle with different fuel mass flow rates. The combustion performance of burner system using Envo-Diesel was based on its wall temperature profiles and emissions generated such as nitric oxide (NOx) and carbon monoxide (CO). The result for NOx at equivalent ratio 0.9 indicates that when the volume of palm oil increases in the blend compared to diesel, the emission decreased around 13% for E5. For CO emission at equivalent ratio 1.4, the percentage increment of palm oil volume in the blends compared to diesel caused decrease in CO emission of around 3% for E5. Results also show that the high content of palm oil in the blends increase the viscosity, surface tension and density, hence lower concentrations of emission.


Keywords


Envo-Diesel, Oil Burner, NOx Emission, CO Emission, Wall Temperature

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References


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DOI: http://dx.doi.org/10.11113/jt.v79.10166

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