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    Volume 46, Issue 6 (November 2018)

    Production of Garcinia gummi-gutta Methyl Ester (GGME) as a Potential Alternative Feedstock for Existing Unmodified DI Diesel Engine: Combustion, Performance, and Emission Characteristics

    (Received 28 April 2017; accepted 3 August 2017)

    Published Online: 2018

    CODEN: JTEVAB

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    Abstract

    In the current scenario, the use of fossil fuel is increasing sharply in the global energy store and playing a highly hazardous role in the ecological system, besides contributing to global warming. Biodiesel is one of the most credible keys for addressing this issue. The present experimental study has been done on Kirloskar make TAF-1 model compression ignition (CI) engine, powered by Garcinia gummi-gutta methyl ester (GGME) biodiesel and its blends. Experimental results were correlated with those of mineral diesel. To start with, biodiesel was synthesized from Garcinia gummi-gutta seed oil, assisted by novel Thermomyces lanuginosus lipase (TL) enzyme linked biocatalyst transesterification. Using nanotechnology, ferric oxide (Fe3O4) nanoparticles were prepared using the coprecipitation method. The TL enzymes were covalently linked with magnetic Fe3O4 nanomaterial, powered using the immobilization method and characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), and Fourier-transform infrared spectroscopy (FTIR) analyses. A large quantity of TL functional groups attached with Fe3O4 magnetic nanoparticle in reaction with an active functional group in oils leads to improved efficiency and effective recycling via an external magnetic field. At the end of 74 h of reaction time with confined optimization conditions, the transesterification process yielded 93.08 % GGME. All the physiochemical properties of GGME blends were investigated as per ASTM standards. Raw GGME was blended with mineral diesel in various proportions, namely B10, B20, B30, B40, and B100. The fuel blends were analyzed in terms of combustion, performance, and emission characteristics. Test results revealed B20 (20 % GGME + 80 % diesel) blend as on par with mineral diesel in terms of brake thermal efficiency (BTE), unburned hydrocarbon (UBHC), and carbon dioxide (CO2), followed by nitrogen oxides (NOx) and smoke emissions. At 100 % load, cylinder pressure, the heat release rate (HRR), brake specific energy consumption (BSEC), and carbon monoxide (CO) emissions of B20 were significantly lower than mineral diesel. Overall, B20 was showcased as a reliable alternative fuel for the CI engine.

    Author Information:

    Lingesan, Subramani
    Department of Automobile Engineering, Madras Institute of Technology (MIT) Campus, Anna University, Chromepet, Chennai, Tamil Nadu

    Annamalai, K.
    Department of Automobile Engineering, Madras Institute of Technology (MIT) Campus, Anna University, Chromepet, Chennai, Tamil Nadu

    Parthasarathy, M.
    Department of Automobile Engineering, Veltech Dr. RR & SR University, Avadi, Chennai, Tamil Nadu

    Ramalingam, Krishna Moorthy
    Department of Automobile Engineering, Madras Institute of Technology (MIT) Campus, Anna University, Chromepet, Chennai, Tamil Nadu

    Dhinesh, B.
    Department of Mechanical Engineering, Mepco Schlenk Engineering College, Sivakasi, Virudhunagar, Tamil Nadu

    Lalvani, J. Isaac JoshuaRamesh
    Department of Mechanical Engineering, Arba Minch University,


    Stock #: JTE20170246

    ISSN:0090-3973

    DOI: 10.1520/JTE20170246

    Author
    Title Production of Garcinia gummi-gutta Methyl Ester (GGME) as a Potential Alternative Feedstock for Existing Unmodified DI Diesel Engine: Combustion, Performance, and Emission Characteristics
    Symposium ,
    Committee D02