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Effect of spirulina microalgae biodiesel enriched with diesel fuel on performance and emission characteristics of CI engine

机译：螺旋藻微藻生物柴油富含柴油燃料对CI发动机性能和排放特性的影响

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摘要

This research, the effects of the spirulina microalgae biodiesel (SMB) blends containing 20, 40, 60 and 80% in volume based were investigated in a naturally aspirated diesel engine at various loads. The performance, combustion and emission analyses showed that of the injection timings (23.0 degrees b TDC) with higher injection pressure of 220 bar. The results show that SMB1 (20% of spirulina microalgae biodiesel and 80% diesel) produces lower exhaust emission and cylinder pressures, brake thermal efficiency (BTE), exhaust temperature and maximum rise pressure rates as compared to diesel fuel. Specific fuel consumption and ignition delay period results increased up to 3.3%, 8.2% and BTE reduced up to 3.03% when the spirulina microalgae blend was increased to 20% at the higher load. The SMB blends also resulted in lower nitrogen oxides (NOX) emission by 4.9%, particulate matter (PM) emission by 20.7% as well as lower smoke by 5.4%, but CO2 emissions increased for all loads. The results showed that addition spirulina microalgae produced a lower of brake thermal efficiency and exhaust temperature, the CO2 emission were improved. Hence, spirulina microalgae can be used in diesel engine.
机译：该研究，在各种载荷的天然吸气的柴油发动机中研究了含有20,40,60和80％的体积体积的螺旋藻微藻生物柴油（SMB）共混物的影响。性能，燃烧和排放分析表明，注射定时（23.0摄氏度），具有较高喷射压力的220巴。结果表明，与柴油燃料相比，SMB1（20％的螺旋藻微藻生物柴油和80％柴油）产生较低的排气和气缸压力，制动热效率（BTE），排气效率（BTE），排气温度和最大上升压力率。当螺旋藻微藻混合物在较高载荷下升高至20％时，特定燃料消耗和点火延迟期结果高达3.3％，8.2％和BTE减少了3.03％。 SMB共混物还导致氮氧化物（NOx）发射降低4.9％，颗粒物质（PM）发射20.7％，较低的烟雾加5.4％，但所有载荷增加了二氧化碳排放量。结果表明，螺旋藻微血脂产生的制动热效率和排气温度较低，改善了CO 2排放。因此，螺旋藻微藻可用于柴油发动机。

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