Abstract
The aims of lowering the exhaust emissions and improving the engine performance of diesel and producer gas (PG) dual fuel engine have been continuously developed. Diesel blended with 20% palm oil methyl ester (PME20) is examined as an alternative fuel to replace conventional diesel. In this research study, a generator-loaded non-modified diesel engine fueled by PME20 pre-mixed with PG with the air flow rates increasing from 8.92 to 16.21 kg/h was examined. They were investigated at 3000 rpm under load variation, compared with PME20 and regular diesel. PG was generated by a downdraft gasifier by coconut shell and was added by 9.74 kg/h to replace PME20 injection. As a result, PME20 mixed with the high PG flow rate led to the reduction of engine performance and the escalation of exhaust emissions, except nitrogen oxide, compared with PME20 and regular diesel. The increase of air flow rates blending with PG resulted in the improvement of engine performance and the abatement of exhaust emissions, rather than the PG mixed with limiting air. PME20 saving was improved by 51% over the non-modified engine.
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Acknowledgments
This work was supported by the Faculty of Engineering, Burapha University, Thailand (Grant No. 035/2566) is gratefully acknowledged.
Author Contributions
Pisak Chermprayong is the first author who studied the instrument designs and measured the engine parameters. Ekkachai Sutheerasak is the corresponding author who conducted the research work, produced PME20 combined with PG-air flow rates, performed performance and exhaust emissions tests, and analyzed the experimental data of engine characteristics. Worachest Pirompugd studied the methods of PG-air flow measurement. Sathaporn Chuepeng explained the changes of engine characteristics and participated in research design, data analysis, as well as conclusion and recommendation. Surachai Sanitjai generated PG and reported the changes of fuel properties.
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Chermprayong, P., Sutheerasak, E., Pirompugd, W., Chuepeng, S., Sanitjai, S. (2024). Increasing Flow Rates of Air and Coconut Shell Producer Gas Mixed with PME20 for a Diesel Engine Generator. In: Chen, L. (eds) Advances in Clean Energy Systems and Technologies. Green Energy and Technology. Springer, Cham. https://doi.org/10.1007/978-3-031-49787-2_26
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DOI: https://doi.org/10.1007/978-3-031-49787-2_26
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