Abstract
The present work is mapped to scrutinize the consequence of biodiesel and gaseous fuel properties, and their impact on compression-ignition (CI) engine combustion and emission characteristics in single and dual fuel operation. Biodiesel prepared from non-edible oil source derived from Thevetia peruviana belonging to the plant family of Apocynaceaeis. The fuel has been referred as methyl ester of Thevetia peruviana (METP) and adopted as pilot fuel for the effective combustion of compressed gaseous fuel of hydrogen. This investigation is an effort to augment the engine performance of a biodiesel-gaseous fueled diesel engine operated under varied engine parameters. Subsequently, consequences of gas flow rate, injection timing, gas entry type, and manifold gas injection on the modified dual-fuel engine using conventional mechanical fuel injections (CMFIS) for optimum engine performance were investigated. Fuel consumption, CO, UHC, and smoke formations are spotted to be less besides higher NOx emissions compared to CMFIS operation. The fuel burning features such as ignition delay, burning interval, and variation of pressure and heat release rates with crank angle are scrutinized and compared with base fuel. Sustained research in this direction can convey practical engine technology, concerning fuel combinations in the dual fuel mode, paving the way to alternatives which counter the continued fossil fuel utilization that has detrimental impacts on the climate.
Highlights
Brake thermal efficiency, fuel consumption, power, consistency, and robustness of compression ignition (CI) engines are more than their counterpart petrol engines
The biodiesel obtained from Thevetia peruviana belongs to the family of Apocynaceae, which is plentifully accessible in India
The salient salientresults results obtained through the extensive experimental observations been with respect to consequences of various start of injection (SOI)
Summary
Fuel consumption, power, consistency, and robustness of compression ignition (CI) engines are more than their counterpart petrol engines. When part of the gas was admitted to the engine through the intake manifold, it replaces the equal amount of intake exhaust gas was admitted to the engine through the intake manifold, it replaces the equal amount of air This leads to decreased air-fuel ration and chemical kinetics and affects the dual-fuel engine intake air. This leads to decreased air-fuel ration and chemical kinetics and affects the dual-fuel combustion negatively Further these results into decreased BTE due to reduced volumetric efficiency
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