Effects of Castor and Corn Biodiesel on Engine Performance and Emissions under Low-Load Conditions

Keunsang Lee and Haeng Muk Cho ()
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Keunsang Lee: Department of Mechanical Engineering, Kongju National University, Cheonan 31080, Republic of Korea
Haeng Muk Cho: Department of Mechanical Engineering, Kongju National University, Cheonan 31080, Republic of Korea

Energies, 2024, vol. 17, issue 13, 1-12

Abstract: Growing concerns over resource depletion and air pollution driven by the rising dependence on fossil fuels necessitate the exploration of alternative energy sources. This study investigates the performance and emission characteristics of a diesel engine fueled by biodiesel blends (B10 and B20) derived from castor and corn feedstocks under low-load conditions (idle and minimal accessory loads). We compare the impact of these biofuels on engine power, fuel consumption, and exhaust emissions relative to conventional diesel, particularly in scenarios mimicking real-world traffic congestion and vehicle stops. The findings suggest that biodiesel offers environmental benefits by reducing harmful pollutants like carbon monoxide (CO) and particulate matter (PM) during engine idling and low-load operation. However, replacing diesel with biodiesel requires further research to address potential drawbacks like increased NO x emissions and lower thermal efficiency. While a higher fuel consumption with biodiesel may occur due to its lower calorific value, the overall benefit of reduced contaminant emissions makes it a promising alternative fuel.

Keywords: biodiesel; castor; corn; emissions; BTE; BFSC (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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