Abstract
This present work focused on investigating the thermal behavior and emission level of sapodilla oil mixed with diesel to an internal combustion (IC) engine. The behavior of the engine is measured via brake thermal efficiency (BTE), brake-specific energy consumption (BSEC), heat release rate (HRR), cylinder pressure, and cumulative heat release rate (CHRR). The test results were evaluated with diesel fuel. Carbon deposits were low in sapodilla seed oil with slight variation of calorific value than standard diesel fuel. BTE value for case B20 is found to equal diesel fuel. For lower and higher blends, the cylinder pressures are lower than the diesel fuel. HRR decreased as increased of the blend ratio. Inferior blends of sapodilla are emitted lower HC and CO. The BTE of B100 works 88.13% efficiently, similar to diesel for low load conditions. When compared to diesel, a maximum NOx reduction of up to 30% was achieved while using the sapodilla blend. It is found that the oil derived from the sapodilla seed kernels will be the promising additive for fossil fuels for a greener environment.
Highlights
The world towards the substitute renewable ecological resource fuels from natural resources due to global oil supply production will be attained [1]
The brake thermal efficiency (BTE) of B100 works 88.13% efficiently, similar to diesel for low load conditions
The maximum NOx reduction up to 30% was achieved while using sapodilla blend
Summary
The world towards the substitute renewable ecological resource fuels from natural resources due to global oil supply production will be attained [1]. Researchers from several countries have conducted numerous experiments in an internal combustion (IC) engine using vegetable oils. They found the thermal efficiency of different oil cerates is considerably experienced with the mineral diesel. The particulate emissions are higher, and the CO, NOx, PAH, and SOx values are lesser when compared with diesel. The minor variation in the fuel system, vegetable oil is suitable as a substitute for conventional fuel. The imperfect combustion effect, the minor atomization, and the lower volatility lead to higher emission formation and the gum deposit in the cylinder cavity. Pure vegetable oil has inefficient effectiveness while using fuel in IC engines [2]
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