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首页> 外文期刊>RSC Advances >Production, characterization, engine performance and emission characteristics of Croton megalocarpus and Ceiba pentandra complementary blends in a single-cylinder diesel engine
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Production, characterization, engine performance and emission characteristics of Croton megalocarpus and Ceiba pentandra complementary blends in a single-cylinder diesel engine

机译：Croton Megalocarpus和Ceiba Pentandra互补混合在单缸柴油发动机中的生产，表征，发动机性能和排放特性

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Compounding energy demand and environmental issues necessitate suitable alternative or partial replacement of fossil fuels. Among the possible sources, biodiesel from non-edible vegetable oil sources is more economically feasible and possesses characteristics close to those of petroleum diesel. Two potential non-edible biodiesel feedstocks “ Croton megalocarpus ” and “ Ceiba pentandra ” were used for biodiesel production through esterification and transesterification process on a laboratory scale. Biodiesel characterization, engine performance and emission characteristics were investigated in an unmodified direct injection, naturally aspirated, single-cylinder diesel engine. 20% (v/v) of each of C. megalocarpus (CM), C. pentandra (CP) and their combined blends (CMB20, CPB20, CMB15CPB05, CMB10CPB10, and CMB05CPB15) were tested under varying engine speeds ranging from 1000 rpm to 2400 rpm at full load conditions. CMB20 and CPB20 reduced the brake power (BP) by 2.63% and 3.70%, brake thermal efficiency (BTE) by 5.97% and 3.72%, carbon monoxide (CO) emission by 1.09% and 2.39%, hydrocarbon (HC) emission by 1.48% and 4.62% and smoke emission by 12.35% and 17.13%, respectively compared to petroleum diesel. On the other hand, CMB20 and CPB20 increased the brake specific fuel consumption (BSFC) by 9.74% and 7.63%, NO _(X) emission by 13.19% and 15.45%, respectively. A mixture of 10% of both biodiesels with diesels (CMB10CPB10) provides better performance and emission characteristics. CMB10CPB10 reduced BP, BTE, CO, HC and smoke by 0.53%, 0.50%, 5.21%, 8.38% and 20.71%, respectively and increased BSFC and NO _(X) by 3.90% and 18.66%, respectively compared to conventional diesel. A combined blend of CM and CP could be a sustainable substitute for fossil diesel in the context of performance and emission.
机译：配合能源需求和环境问题需要适当的替代或部分替代化石燃料。在可能的来源中，来自不可食用的植物油来源的生物柴油更经济地是可行的，并且具有与石油柴油的特性接近。两种潜在的不可食用的生物柴油原料“巴豆巨头”和“Ceiba Pentandra”用于通过实验室规模的酯化和酯交换过程生产生物柴油。生物柴油表征，在未修改的直接注射，自然吸气的单缸柴油发动机中研究了发动机性能和发射特性。在不同的发动机速度范围为1000 rpm至下，在1000rpm范围内的不同发动机速度下测试20％（CM），C.Pentandra（CP）及其组合共混物（CMB20，CPB20，CMB15CPB05，CMB10CPB10和CMB05CPB15）的20％（v / v）。满载条件下的2400 rpm。 CMB20和CPB20将制动功率（BP）降低2.63％和3.70％，制动热效率（BTE）递别5.97％和3.72％，一氧化碳（CO）排放1.09％和2.39％，烃（HC）排放1.48与石油柴油相比，％和4.62％和烟雾发射分别为12.35％和17.13％。另一方面，CMB20和CPB20分别将制动器特异性燃料消耗（BSFC）增加了9.74％和7.63％，不得分别为13.19％和15.45％的_（x）发射。将10％的生物柴油与柴油机（CMB10CPB10）的混合物提供更好的性能和排放特性。与常规柴油相比，CMB10CPB10分别将BP，BTE，CO，HC和烟雾减少0.53％，0.50％，5.21％，8.38％和20.71％，并将其_（x）增加3.90％和18.66％。在性能和排放的背景下，CM和CP的组合混合物可以是化石柴油的可持续替代品。

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