Department of Mechanical Engineering, Mepco Schlenk Engineering College, Sivakasi, Tamilnadu, India.
Department of Mechanical Engineering, Sree Vidyanikethan Engineering College, Tirupati, Andhra Pradesh, India.
Environ Sci Pollut Res Int. 2019 Jun;26(16):16493-16502. doi: 10.1007/s11356-019-04826-7. Epub 2019 Apr 13.
The current investigation has been aimed at the effective utilization of the alternative renewable feedstock towards propelling the diesel engine. A novel alternative feedstock, which is abundantly present in the south of India, Mimusops elengi was identified for this present investigation. The study was initiated with 20% of Mimusops elengi and methyl ester (B) was blended with fossil diesel fuel on a volume basis. Moreover, it was observed that on the trade-off between the performance characteristics; the emission quantity was marginally higher. Concentrating on the environmental pollution caused by the diesel engine, an oxygenated nano additive, titanium oxide, was doped with the base fuel at different mass fractions of 25, 50, 75, and 100 parts per million (ppm). The result observed states that B with 25 ppm of titanium oxide nanoparticle (B + 25 ppm) established a 3.60% improvement in BTE (brake thermal efficiency) as equated with B; furthermore, it resulted in 14.2% and 17.4% reduction in hydrocarbon and smoke emission, respectively, though it resulted in a marginal penalty of 14.72% in NO.
本研究旨在有效利用替代可再生原料推动柴油发动机。为此，我们选择了一种在印度南部广泛存在的新型替代原料——印度榕（Mimusops elengi）。研究首先将 20%的印度榕与甲酯（B）按体积混合，然后与化石柴油燃料混合。此外，我们还发现，在权衡性能特征时，排放量略有升高。针对柴油发动机造成的环境污染问题，我们在基础燃料中掺杂了纳米添加剂——氧化钛，掺杂比例分别为 25、50、75 和 100 百万分率（ppm）。结果表明，与 B 相比，掺有 25 ppm 氧化钛纳米颗粒的 B（B+25 ppm）可将制动热效率（BTE）提高 3.60%，同时将碳氢化合物和烟尘排放量分别降低 14.2%和 17.4%，尽管氮氧化物（NO）排放略有增加 14.72%。
