https://orcid.org/0000-0002-5453-5137
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ABSTRACT
Trimethyl borate (TMB) is an excellent alternative to alter the combustion of conventional fuels due to the combination of boron, stable methyl groups, and oxygen, which can improve the combustion behavior in many ways compared to alcohols and etheric hydrocarbon structures. In this research, the combustion and energetic phenomena trends of trimethyl borate blends was investigated on a droplet scale. The camera systems were used at the combustion characteristics look at how the size of the droplets, the structure of the flame, and the flame temperature changed over time. The additions of 20%, 40%, 60%, and 80% trimethyl borate fuel to gasoline were tested for their ability to burn. As the amount of TMB increased, high variations in droplet deformation and high breakups from the hemispheric geometry occurred. At this point, changes were observed in droplet shape change independent of mixing ratio. TMB droplet had the highest flame temperature of 600 K and the lowest extinction time of ~ 1270 ms. As the gasoline content of the droplets increased, the droplet flame temperature tended to decrease. Also, the shortest ignition delay time was observed for pure TMB and fuel droplets containing 40%, 60% and 80% TMB (~0.714 ms).
HIGHLIGHTS
The highest combustion rate constant was observed in trimethyl borate
The amount of TMB raised in the blend raised high droplet deformation and breakups.
The droplet deformation amplitude is at the maximum level for 8G2T.
The shortest ignition delay time was noticed for the 20% gasoline − 80% TMB blend.
The high gasoline content in the blends caused micro-explosions were observed.
Disclosure statement
No potential conflict of interest was reported by the author(s).