Enhancing Performance and Emission Control of a VCR Engine using Diethyl Ether, Nanoparticles and Hydrogen Additives in Algae Blends
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Abstract
This study analyses the increase in performance, combustion and emission characteristics of a Variable Compression Ratio (VCR) diesel engine by adding Diethyl Ether (DEE), Cerium Oxide (CeO2) nanoparticles and hydrogen on injector open time(ms). The experiment investigated the impact of various additions on B20 algae blends under full load conditions. Notable improvements were observed, Brake Thermal Efficiency (BTE) reached up to 35.79% with a 5% DEE mixture, while Brake-Specific Fuel Consumption (BSFC) reduced to 0.24 kp/kg-hr. Hydrocarbon (HC) emissions varied from 32 ppm to 41 ppm, while Carbon Monoxide (CO) emissions were controlled at 0.06%. The use of DEE at concentrations of 1%, 3% and 5% revealed a considerable reduction in emissions and better combustion efficiency, notably with 5% DEE, where the lowest Carbon Dioxide (CO2) emissions of 4.1% were observed, suggesting optimal combustion. These findings underline the possibility of employing DEE, CeO2 nanoparticles and hydrogen to increase diesel engine efficiency while limiting environmental concerns.
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