Abstract
The study aims to convert rice bran oil into biodiesel by transesterification and to test the biodiesel–diesel blends in a direct injection compression ignition engine. Methanol (alcohol) and NaOH (catalyst) are used for the process of transesterification. The engine testing was conducted by varying the injection timings at 21°BTDC, 24°BTDC and 27°BTDC with blends of B20, B40, B60, B80 and B100. The engine characteristics (performance, combustion and emission) of ricebran methyl ester are analysed. When comparing the injection timings, the blends B80 and B100 consume more fuel than the other blends. While propelling the injection timing, for example, at 27° BTDC the level of CO emissions is less compared with other injection timings. While retarding the timing for example, at 21° BTDC, the CO emissions are significantly high for diesel, B20 and B40. High NOx values are recorded for all the of biodiesel blends.
Published Version
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