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Effect of microalgae biodiesel blending on diesel engine characteristics

机译：微藻生物柴油调配对柴油机特性的影响

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The current numerical work investigates the effect of using algae methyl ester (AME) blends with diesel fuel on diesel engine performance, combustion, and emission characteristics. Five volumetric blends of biodiesel drived from spirulina algae (20%, 30%, 50%, 70%, and 100% AME) have been examined numerically with help of Diesel‐RK and compared with diesel fuel. As a result of investigations, the addition of AME blends reduces the cylinder pressure and shifts it closer to Top Dead Center. The heat release rate reduced as the percentage of AME increased, whereas 30% AME reduces the heat release by 9.96%. All blends of AME to diesel decrease brake thermal efficiency (BTE) slightly and increase brake‐specific fuel consumption (BSFC), whereas using 30% AME reduces BTE 1.09% and increases BSFC 5.89% compared with diesel. The shorter delay time is observed by using the proposed AME blends recording reduction in the delay period starting from 18.23% up to 65.77%. Bosch smoke number decreases as a result of AME addition recording a 17.19% reduction in case of 30% AME while it increased after 70% AME. Promising reduction in SO2 emissions compared with diesel observed by an average of 14.08%, 21.78%, 38.41%, 56.28%, and 84.07% when using 20%, 30%, 50%, 70%, and 100% AME, respectively. Slight increase in CO2 emissions within the range of 1.17%–6.22% when using AME blends between 20% and 100%. On the basis of the main findings, the 30% AME biodiesel was noticed as the most excellent mixing proportion. The main contribution focuses on “How spirulina microalgae biodiesel can enhance the characteristics of a diesel engine.” The obtained results are compared with the findings of other studies.
机译：当前数值调查工作的效果利用藻类甲酯(AME)混合柴油在柴油机的性能,燃烧和排放特性。体积的混合生物柴油驱动螺旋藻藻(20%、30%、50%、70%和100%AME)检查数值的帮助柴油RK和与柴油相比。调查的结果,AME混合降低了气缸压力和变化它接近上死点。率降低,因为AME的比例增加,而30% AME减少释放的热量9.96%。热效率(耳背式)略增加制动检测燃油消耗率(BSFC),而使用AME减少耳背式1.09%和30%增加与柴油相比BSFC 5.89%。更短的延迟时间是观察使用提出了AME混合记录减少延迟时间从18.23%上升到65.77%。博世烟数量减少由于AME除了记录的情况减少了17.19%30% AME AME后增加了70%。有前途的相比减少二氧化硫的排放与柴油平均为14.08%,观察到21.78%, 38.41%, 56.28%, 84.07%的人在使用20%, 30%, 50%, 70%,和100% AME。轻微的范围内的二氧化碳排放的增加当使用混合AME 20% 1.17% -6.22%和100%。AME 30%生物柴油最被注意到优秀的混合比例。关注“螺旋藻微藻的贡献生物柴油可以增强的特征柴油发动机。”与其他研究的结果。

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