Volume 6 Issue 4 - March 2016

  • 1. Experimental investigations on performance of a lpg gas-diesel dual fuel c i engine

    Authors : Ajit Kolekar

    Pages : 368 - 372

    Keywords : LPG, Diesel, Emission, Performances

    Abstract :

    The CI engine was modified to run on the dual-fuel mode, using diesel as the pilot fuel and LPG gas as the main fuel. For this purpose, a separate air –LPG gas mixing junction has been incorporated on the intake side of the engine. The quantity of diesel fuel injected is also altered in proportion to LPG gas inducted, for the same power output for given operating conditions of the engine. The experiments have been conducted on the dual-fuel mode with diesel - LPG gas. The experiments conducted to compare the performance and emissions of the dual fuel engine with different combinations of diesel and LPG gas at No Load, 25%, 50%, 75% and Full engine loads. All the experiments have been carried out under the same operating conditions at 1500 rpm speed, keeping the fuel injection timing constant at 280 BTDC. Experimental results indicated that, among the dual fuel combinations considered, the combination of fossil diesel and LPG gas observed to have more brake thermal efficiency at all engine operating conditions and at all fuel injection pressures considered. Dual fuel combination of fossil diesel and LPG gas on the engine observed to have higher exhaust gas temperature at all engine operating conditions. The CO emission level is high in all cases of dual fuel modes of operation. the HC emission is less compared to that of other modes of operation. The dual fuel combination of fossil diesel and LPG gas generates lesser NOx emissions compared to that of all other dual fuel combinations considered at all engine operating conditions. Smoke density is found to be reduced for all dual fuel operations compared to that of fossil diesel mode. It is also found that the smoke density is decreased with for all modes of operation.

    Citing this Journal Article :

    Ajit Kolekar, "Experimental investigations on performance of a lpg gas-diesel dual fuel c i engine", https://www.ijltet.org/journal_details.php?id=899&j_id=2974, Volume 6 Issue 4 - March 2016, 368 - 372, #ijltetorg