Effects of Injection Timing Adjustment of Plastic Pyrolysis Oil Blended with and Diesel Fuel on Performance and Emissions of Diesel Engine
Keywords:Diesel Engine, Plastic Pyrolysis Fuel, Injection Degree Adjustment
Nowadays, different types of alternative energy are introduced to replace oil from petroleum products in order to reduce petroleum imports and utilize waste and reusable materials, in particular, a large amount of plastic waste. Thus, there is some research related to converting plastic waste into plastic pyrolysis oil. It appears that plastic pyrolysis oil has similar properties to diesel and has been tested on various sizes of diesel engines. However, pyrolysis oil has a heating value and Cetane number lower than diesel fuel. Therefore, this article studies the performance and pollution of diesel B7 mixed with pyrolysis oil P100 at a ratio of 50:50 P50. The advance injection timing is customed at 16.5oBTDC to 17.5oBTDC, 1500 rpm, 25%, 50% and 75% of the maximum engine load. The research aimed to compare the performance and pollution that occurred on the tested engine before and after adjusting the injection timing. It was found that when pyrolysis oil P50 was used and the injection timing was adjusted at 16.5oBTDC, the performance of the diesel engine was comparable to diesel B7. The emissions seem to be slightly increased compared with the diesel B7. However, the black smoke emitted from the plastic pyrolysis oil is slightly lower than the diesel oil.
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