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Title: Performance and Emissions Study on Variable Compression Ratio Engine fuelled with Babassu and Sal Oil Methyl Ester and its Blends with Diesel Fuel
Authors: Bector, Rishi
Supervisor: Kumar, Satish
Ragit, S. S.
Keywords: Diesel Fuel;Babassu and Sal Oil;transesterification;biodiesel;Emissions
Issue Date: 23-Jul-2018
Abstract: Due to rapid industrialisation and urbanisation, demand for energy has sky rocketed. Amongst all the primary sources of energy, fossil fuels still tops the list. Around 88.6% of global energy demand is met by fossil fuels. In current investigation, transesterification of babassu and sal oil is employed using KOH as catalyst and CH3OH as alcohol and optimised it with mathematical model like Taguchi method. Optimum parameters for babassu biodiesel were found to be 6:1 molar ratio, 0.5g KOH amount, 75 minutes and reaction temp of 60 0C and the yield obtained at optimised parameters was 98.18%. Similarly, for sal biodiesel optimisation, optimised parameters were found to be 8:1 molar ratio, 1g KOH, 75 minutes and the yield obtained at optimised parameters was 96.39%. Fuel properties of optimised biodiesel were calculated and observed to be with standard methods. In the present study, mixes of 10%, 20% and 30% of streamlined BOME and SOME each are set up as test energizes and test examination is improved the situation the assessment of execution parameters and discharge attributes of a four stroke variable pressure proportion motor having single barrel at steady rpm of 1500 at 0kg, 2kg, 4kg, 6kg, 8kg and 10kg loads and the tests were carried out using test fuels and diesel separately at compression ratios of 18, 16 and 14. BP was more or less same. Higher Exhaust Gas Temperature and mechanical efficiency for blended fuels were observed with SB30 showing maximum in comparison to other blends. Emissions of blended test fuels were observed to be lesser as compared to petro diesel. BB10 showed least rise in NOx emissions as compared to other blends. Experimentations also revealed that HC emissions increased for BB10 and BB20 and SB30 but reduces for SB10, SB20 and BB30. CO emissions for SB30 were found to be the least and BB20 the largest. It can be inferred from the experimentations that biodiesel blends lower down emission levels. It is found from the research that overall performance of SOME blended fuel was greater as compared to BOME blended fuel.
Appears in Collections:Masters Theses@MED

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