An experimental investigation on a CI engine with magnesium- doped zinc oxide nano-additives in fish oil biodiesel blends

IF 3 3区工程技术 Q2 CHEMISTRY, ANALYTICAL

Journal of Thermal Analysis and Calorimetry Pub Date : 2024-09-21 DOI:10.1007/s10973-024-13538-1

Udhayakumar Natarajan, Ramesh Babu Subramaniam

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引用次数: 0

Abstract

Increases in fossil fuel consumption and the effect of engine emissions on the environment lead researchers to work on alternate methods to control this situation. This present work focuses on evaluating the performance, combustion, and emission characteristics of fish oil (FO)–diesel blends in a mono-cylinder compression ignition engine with Magnesium (Mg)-doped zinc oxide (ZnO) nanoparticles added at a concentration of 25 ppm, 50 ppm, and 75 ppm. The results were compared with conventional compression ignition engines with diesel for varying loads at a constant speed of 1500 RPM. An investigation revealed that adding Mg-doped ZnO nanoparticles to FO–diesel blends enhanced the performance and combustion characteristics of CI engines because of the higher surface-to-volume ratio and thermal conductivity of the nano-additives. In addition, Mg-doped ZnO nanoparticles improved brake thermal efficiency (BTE) for biodiesel–diesel blends and lowered brake specific fuel consumption (BSFC) by 2.8% and 14%, respectively, for a B30 Mg-ZnO 75 ppm fuel blend than B100 at full load condition. On the other hand, emissions such as HC, CO, and smoke were reduced by 29%, 31%, and 23%, respectively, for the B30 Mg-ZnO 75 ppm fuel blend at full load condition. Overall, the B30 Mg-ZnO 75 ppm fuel blend was best compared with other blends for improved combustion, performance, and lower exhaust emissions.

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关于在鱼油生物柴油混合物中使用掺镁纳米氧化锌添加剂的 CI 发动机的实验研究

化石燃料消耗量的增加以及发动机排放物对环境的影响，促使研究人员研究控制这种情况的替代方法。本研究的重点是评估鱼油（FO）-柴油混合物在单缸压燃式发动机中的性能、燃烧和排放特性，其中添加了掺杂镁（Mg）的纳米氧化锌（ZnO）颗粒，浓度分别为 25 ppm、50 ppm 和 75 ppm。在转速为 1500 RPM 的恒定条件下，将结果与传统柴油压燃发动机在不同负荷下的结果进行了比较。研究表明，由于纳米添加剂具有更高的表面体积比和导热性，因此在掺镁氧化锌柴油混合物中添加纳米添加剂可提高 CI 发动机的性能和燃烧特性。此外，掺镁氧化锌纳米粒子提高了生物柴油-柴油混合物的制动热效率（BTE），并降低了制动比油耗（BSFC），在满负荷条件下，掺镁氧化锌 75 ppm 的 B30 燃料比掺镁氧化锌 75 ppm 的 B100 燃料的制动比油耗分别降低了 2.8% 和 14%。另一方面，在满负荷条件下，B30 镁-氧化锌 75 ppm 混合燃料的 HC、CO 和烟雾排放量分别减少了 29%、31% 和 23%。总体而言，与其他混合燃料相比，B30 Mg-ZnO 75 ppm 混合燃料在改善燃烧、性能和降低废气排放方面表现最佳。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Thermal Analysis and Calorimetry 化学-分析化学

CiteScore

8.50

自引率

9.10%

发文量

577

审稿时长

3.8 months

期刊介绍： Journal of Thermal Analysis and Calorimetry is a fully peer reviewed journal publishing high quality papers covering all aspects of thermal analysis, calorimetry, and experimental thermodynamics. The journal publishes regular and special issues in twelve issues every year. The following types of papers are published: Original Research Papers, Short Communications, Reviews, Modern Instruments, Events and Book reviews. The subjects covered are: thermogravimetry, derivative thermogravimetry, differential thermal analysis, thermodilatometry, differential scanning calorimetry of all types, non-scanning calorimetry of all types, thermometry, evolved gas analysis, thermomechanical analysis, emanation thermal analysis, thermal conductivity, multiple techniques, and miscellaneous thermal methods (including the combination of the thermal method with various instrumental techniques), theory and instrumentation for thermal analysis and calorimetry.