Synthesis, testing, and evaluation of efficiency and emissions properties of tamarind-based biodiesel with magnetite nanoparticles

IF 3 3区工程技术 Q2 CHEMISTRY, ANALYTICAL Journal of Thermal Analysis and Calorimetry Pub Date : 2024-08-26 DOI:10.1007/s10973-024-13570-1

M. Srinivasarao, Ch. Srinivasarao, A. Swarna Kumari

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Abstract

The growing need for renewable and sustainable energy sources has prompted researchers to explore alternative fuels for engines traditionally powered by gasoline or diesel. Biodiesel derived from tamarind oil shows great potential as a sustainable fuel due to its renewable and eco-friendly nature. This investigation emphasizes the efficiency, emissions, and combustion characteristics of tamarind seed-based biodiesel blends with magnetite (Fe₃O₄) nanoparticles in a direct ignition engine. The magnetite nanoparticles in concentrations of 50 and 100 ppm are added to tamarind biodiesel blends with the help of an ultrasonicator. The prepared fuels were tested in a single-cylinder, four-stroke, vertical compression ignition engine. The experimental results revealed that the TME20M100 blend exhibits an increase in brake thermal efficiency by 5.85%, and SFC decreased by 6.18% with the maximum values of HRR and cylinder pressure are 44.5 J/°CA and 69.58 bar, respectively. Additionally, the TME20M100 blend exhibited a significant reduction of 27.32% in CO emissions, 7.93% in HC emissions, 4.05% in NOx emissions, and 3.23% in smoke emissions, as compared to the TME20. This study presents a promising approach to producing high-performance, eco-friendly biodiesel, contributing to the broader adoption of renewable energy sources.

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含磁铁矿纳米颗粒的罗望子基生物柴油的合成、测试和效率及排放性能评估

对可再生和可持续能源的需求日益增长，促使研究人员探索传统汽油或柴油发动机的替代燃料。从罗望子油中提取的生物柴油因其可再生性和生态友好性而显示出作为可持续燃料的巨大潜力。这项研究强调了罗望子种子基生物柴油与磁铁矿（Fe3O4）纳米颗粒混合物在直接点火发动机中的效率、排放和燃烧特性。在超声波发生器的帮助下，将浓度分别为 50 和 100 ppm 的磁铁矿纳米颗粒添加到罗望子生物柴油混合物中。制备的燃料在单缸四冲程立式压燃发动机中进行了测试。实验结果表明，TME20M100 混合燃料的制动热效率提高了 5.85%，SFC 降低了 6.18%，HRR 和气缸压力的最大值分别为 44.5 J/°CA 和 69.58 巴。此外，与 TME20 相比，TME20M100 混合气显著减少了 27.32% 的 CO 排放、7.93% 的 HC 排放、4.05% 的 NOx 排放和 3.23% 的烟雾排放。这项研究提出了一种生产高性能、生态友好型生物柴油的可行方法，有助于更广泛地采用可再生能源。

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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.