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Impact of different shape based hybrid nano additives in emulsion fuel for exergetic, energetic, and sustainability analysis of diesel engine
Energy ( IF 9.0 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.energy.2020.119086
Ranjeet Kumar Rai , Rashmi Rekha Sahoo

Abstract The energy, exergy, and sustainability analysis of a diesel engine with 5% water in diesel emulsion (5%WiDE) based hybrid nano fuel incorporated with various-shaped i.e., 25ppm cylindrical carbon nanotube (CNT) and 25ppm spherical Al2O3 nano-additives were investigated experimentally. The morphological characteristics of 5%WiDE based Al2O3-CNT fuel have been studied through scanning electron microscope (SEM) analysis. The analysis revealed an increase in brake thermal efficiency (BTE), exergy efficiency, engine sustainability, and exergy destruction rate on engine load, and engine speed. However, the 5%WiDE based Al2O3-CNT hybrid nano fuel showed a 2.86% increase in brake thermal efficiency and a 4.16% increase in exergy efficiency than diesel fuel at 1500 rpm engine speed and 5.6kW engine load. Also, the energy, exergy, and sustainability parameters of the engine have been improved. Furthermore, the highest exergy based sustainability of the diesel engine has been observed at full engine load and 2000 rpm engine speed. The exergy destruction rate of the diesel engine with a 5%WiDE based Al2O3-CNT hybrid nano fuel has a 3.14% higher value than the diesel fuel. The experimental results conclude that the application of nano additive in water in diesel emulsion fuel improves the energy, exergy performance parameters, and the sustainability of the engine. Therefore, 5%WiDE based Al2O3-CNT hybrid nano fuel has a high potential to be an alternate conventional fuel for diesel engines without any design modification.

中文翻译:

基于不同形状的混合纳米添加剂在乳化燃料中对柴油机热能、能量和可持续性分析的影响

摘要 含有 5% 水包柴油乳液 (5% WiDE) 的混合纳米燃料混合各种形状的柴油发动机的能量、火用和可持续性分析,即 25ppm 圆柱形碳纳米管 (CNT) 和 25ppm 球形 Al2O3 纳米添加剂进行了实验研究。通过扫描电子显微镜 (SEM) 分析研究了 5%WiDE 基 Al2O3-CNT 燃料的形态特征。分析表明,制动热效率 (BTE)、火用效率、发动机可持续性以及发动机负载和发动机速度的火用破坏率都有所提高。然而,在 1500 rpm 发动机转速和 5.6kW 发动机负载下,基于 5%WiDE 的 Al2O3-CNT 混合纳米燃料的制动热效率提高了 2.86%,火用效率提高了 4.16%。此外,能量、火用、并且改进了发动机的可持续性参数。此外,在全发动机负载和 2000 rpm 发动机转速下观察到柴油发动机基于火用的最高可持续性。5%WiDE基Al2O3-CNT混合纳米燃料的柴油机火用破坏率比柴油高3.14%。实验结果表明,纳米添加剂在柴油乳化燃料水中的应用提高了发动机的能量、火用性能参数和可持续性。因此,基于 5%WiDE 的 Al2O3-CNT 混合纳米燃料具有成为柴油发动机替代传统燃料的巨大潜力,无需任何设计修改。在发动机满负荷和 2000 rpm 发动机转速下观察到柴油发动机基于火用的最高可持续性。5%WiDE基Al2O3-CNT混合纳米燃料的柴油机火用破坏率比柴油高3.14%。实验结果表明,纳米添加剂在柴油乳化燃料水中的应用提高了发动机的能量、火用性能参数和可持续性。因此,基于 5%WiDE 的 Al2O3-CNT 混合纳米燃料具有成为柴油发动机替代传统燃料的巨大潜力,无需任何设计修改。在发动机满负荷和 2000 rpm 发动机转速下观察到柴油发动机基于火用的最高可持续性。5%WiDE基Al2O3-CNT混合纳米燃料的柴油机火用破坏率比柴油高3.14%。实验结果表明,纳米添加剂在柴油乳化燃料水中的应用提高了发动机的能量、火用性能参数和可持续性。因此,基于 5%WiDE 的 Al2O3-CNT 混合纳米燃料具有成为柴油发动机替代传统燃料的巨大潜力,无需任何设计修改。实验结果表明,纳米添加剂在柴油乳化燃料水中的应用提高了发动机的能量、火用性能参数和可持续性。因此,基于 5%WiDE 的 Al2O3-CNT 混合纳米燃料具有成为柴油发动机替代传统燃料的巨大潜力,无需任何设计修改。实验结果表明,纳米添加剂在柴油乳化燃料水中的应用提高了发动机的能量、火用性能参数和可持续性。因此,基于 5%WiDE 的 Al2O3-CNT 混合纳米燃料具有成为柴油发动机替代传统燃料的巨大潜力,无需任何设计修改。
更新日期:2021-01-01
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