Experimental Study of Effects of Flue Gas Recirculation Technique on Maximum Flame Temperature and the NOx Emission of Gasoil and Biodiesel Combustion

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Abstract

The object of this study is to investigate experimentally the effects of Flue Gas Recirculation technique on exhaust gases temperature and also the NOx levels of gasoil and biodiesel (made of sunflower oil) combustion. The tests were carried out for different levels of FGR ranged from 0 to 30% and for three inlet air flow rates i.e.: 3.5, 4.5 and 5.5 m3.min-1. Experimental results indicate that in the case of oil and B20 and B40 fuels, increasing the rate of recirculated gases up to 30% decreases maximum flame temperature and NOx emission. Moreover in the case of biodiesel fuels, increasing the volume percent of biodiesel fuel in the mixed fuel from 0% to 40%, increases exhaust gases temperature and NOx emission. Comparison among the obtained results and similar experiments of other researchers, indicates a great qualitative compliance

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Energy Engineering and Management
Volume 2, Issue 3
November 2012
Pages 38-45

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