To identify the impact of molecular structure in biodiesel fuel combustion, more research on single fatty acid methyl ester molecules is required. The easiest way for studying complicated spray combustion processes in compression ignition engines is isolated single droplet combustion. The heating, evaporation, ignition, and combustion steps of droplet combustion were studied. The influence of carbon chain length variations on droplet combustion properties of saturated fatty acid methyl ester compounds as biodiesel ingredients is investigated in this study. The natural convection effect of lower gas density from higher temperature of droplet combustion causes long carbon chain molecules to produce a low bright flame and a larger flame dimension. A lengthy carbon chain with a greater viscosity and boiling point, on the other hand, results in a longer igniting delay. The higher the oxygen content in short carbon chain molecules, the faster the combustion, the higher the burning rate, and the shorter the flame dimension.

Author(s) Details:

Ibrahim Ahmad Ibadurrohman,
Department of Mechanical Engineering, Brawijaya University, Indonesia.

Nurkholis Hamidi,
Department of Mechanical Engineering, Brawijaya University, Indonesia.

Lilis Yuliati,
Department of Mechanical Engineering, Brawijaya University, Indonesia.

Please see the link here: https://stm.bookpi.org/RACMS-V1/article/view/7084