Browse Publications Technical Papers 2007-32-0064
2007-10-30

Investigations on Low Heat Rejection Diesel Engine with Carbureted Methanol and Crude Jatropha oil as Alternate Fuels 2007-32-0064

Investigations have been carried out on low heat rejection engine(LHR) consisting of 3.2mm air gap insulated piston with superni(a low thermal conductivity nickel alloy material) crown and 3.2mm air gap insulated liner with superni insert by using alternate fuels viz. carbureted methanol and crude jatropha oil at varied injection pressured. Methanol is inducted through variable carburetor jet at different percentages of diesel flow rate by mass basis, installed at the inlet manifold of the engine during suction stroke and vegetable oil is injected through injector. LHR engine with carbureted methanol and crude jatropha oil showed improved performance and decreased pollution levels in comparison with conventional engine with pure diesel fuel and the performance is further improved with the increase of injection pressure with dual fuel operation.

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