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An experimental study on energy-exergy analysis and sustainability index in a diesel engine with direct injection diesel-biodiesel-butanol fuel blends

机译：直喷式柴油机 - 生物柴油 - 丁醇燃料混合物柴油发动机能源出版物能源 - 出发动机能量分析与可持续性指标的实验研究

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摘要

The aim of this study was to investigate the effects of biodiesel and butanol properties on energetic-exergetic efficiencies of the engine performance and assessment of sustainability. In this study, energy and exergy analyses were performed in a direct-injected (DI) diesel engine operating with various diesel-biodiesel-butanol fuel blends. The experiments were conducted with a single-cylinder, naturally aspirated, water-cooled, a DI diesel engine at the maximum torque (1400 rpm) and power (2800 rpm) condition. According to obtained results, it was found that biodiesel energetic-exergetic efficiencies and sustainability index (SI) of biodiesel were higher than euro diesel. The maximum energy-exergy efficiencies and SI of the diesel engine were 32.49%, 30.25%, and 1.434, respectively and were obtained using B100 fuel at 1400 rpm. However, low butanol ratio blends had considerably similar energetic-exergetic performance and SI trends compared to euro diesel, while these values decreased by increasing the butanol ratio. Thus, D75B20But5 can be accepted as fuel that has the best fuel ratio according to the performance of the energy-exergy and SI. It could be concluded that the properties of the biodiesel and butanol have substantially affected the energy-exergy analysis and SI value of a direct-injected diesel engine.
机译：本研究的目的是探讨生物柴油和丁醇特性对发动机绩效的能量 - 前进效率和可持续性评估的影响。在本研究中，在与各种柴油机 - 生物柴油 - 丁醇燃料共混物操作的直接注射（DI）柴油发动机中进行能量和漏洞分析。通过单缸，自然吸气，水冷，在最大扭矩（1400rpm）和功率（2800rpm）条件下进行实验。根据获得的结果，发现生物柴油的生物柴油能量 - 前进效率和生物柴油的可持续性指数（SI）高于欧元柴油。柴油发动机的最大能量效率和Si分别为32.49％，30.25％和1.434，并在1400rpm下使用B100燃料获得。然而，与欧洲柴油相比，低丁醇比混合物具有相当类似的能量 - 前进性能和SI趋势，而这些值通过增加丁醇比例降低。因此，根据能量驱动和Si的性能，可以接受D75b20but5作为具有最佳燃料比的燃料。可以得出结论，生物柴油和丁醇的性质基本上影响了直接注射柴油发动机的能量驱动分析和Si值。

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