Avanços em Engenharia Automobilística
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Vibration Analysis of a Diesel Engine Fueled with Sunflower and Canola Biodiesels

Erinç Uludamar

Biodiesel is one of the most popular alternative fuels. The usage of biodiesel is increasing day by day. Therefore, all effects of biodiesel on internal combustion mechanisms must be known. In this study, vibration effect of canola (rapeseed), sunflower biodiesel and their blends with low sulfur diesel fuel was investigated. Fuels were tested in a four cylinder four stroke diesel engine at 1300, 1600, 1900, 2200, 2500 and 2800 rpm engine speed. The results showed that with the use of biodiesel blend with low sulfur diesel fuel up to 40% proportions, vibration values ​​get significantly lower at all engine speed. The least vibration value for most of the fuel was observed with the use of 60% biodiesel blend. The results were also individually interpreted in longitude, vertical and lateral axes.