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Effects of oxyhydrogen on the CI engine fueled with the biodiesel blends: A performance, combustion and emission characteristics study.

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Title: Effects of oxyhydrogen on the CI engine fueled with the biodiesel blends: A performance, combustion and emission characteristics study.
Authors: Kanimozhi, B.1 (AUTHOR), kumar, Govind2 (AUTHOR), Alsehli, Mishal3 (AUTHOR), Elfasakhany, Ashraf3 (AUTHOR), Veeman, Dhinakaran4 (AUTHOR), Balaji, Santhosh1 (AUTHOR), thiran, Thanu1 (AUTHOR), Praveen Kumar, T.R.5 (AUTHOR), Sekar, Manigandan1,6 (AUTHOR) Manisek87@gmail.com
Source: International Journal of Hydrogen Energy. Oct2022, Vol. 47 Issue 88, p37668-37676. 9p.
Subjects: Biodiesel fuels, Combustion, Energy consumption, Moringa oleifera, Gas flow, Fossil fuels
Abstract: The main purpose of this study is to analyse the effects of oxy hydrogen (HHO) along with the Moringa oleifera biodiesel blend on engine performance, combustion and emission characteristics. HHO gases were generated using the typical electrolysis process using the potassium hydroxide solution. The experiments were performed under various engine loads of 25%, 50%, 75%, and 100% in a constant speed engine. Biodiesel from the M. oleifera was prepared by the transesterification process. Further, the procured biodiesel blends mixed with neat diesel at the concentration of 20% (B20) and 40% (B40). In addition to above, the HHO gas flow rate to the engine chamber maintained at the flow rate of 0.5 L-1. The use of the 20% and 40% blends with HHO reported less BTE compared to the neat diesel. However, B20 reported marginal rise in the BTE due to the addition of the HHO gas. On the other hand, addition of HHO gas to the blends significantly dropped the brake specific fuel consumption. With regard to the emissions, addition of the biodiesel blends reduced the concentration of the CO, HC, and CO 2. Nevertheless, no reduction reported in the formation of the NO. However, adding the HHO to the biodiesel reduced the average NOx by 6%, which is a substantial effect. Overall, HHO enriching biodiesel blends are the potential replacement for the existing fossil fuels for its superior fuel properties compared to the conventional diesel. • Moringa oleifera blends were tested in the CI engine at 20% and 40%. • Biodiesel blends tested with presence of the oxyhydrogen. • HHO enriched fuel reported reduced BSFC than convention blends. • NOx significantly reduced at low biodiesel blends concentration enriched with HHO. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:The main purpose of this study is to analyse the effects of oxy hydrogen (HHO) along with the Moringa oleifera biodiesel blend on engine performance, combustion and emission characteristics. HHO gases were generated using the typical electrolysis process using the potassium hydroxide solution. The experiments were performed under various engine loads of 25%, 50%, 75%, and 100% in a constant speed engine. Biodiesel from the M. oleifera was prepared by the transesterification process. Further, the procured biodiesel blends mixed with neat diesel at the concentration of 20% (B20) and 40% (B40). In addition to above, the HHO gas flow rate to the engine chamber maintained at the flow rate of 0.5 L-1. The use of the 20% and 40% blends with HHO reported less BTE compared to the neat diesel. However, B20 reported marginal rise in the BTE due to the addition of the HHO gas. On the other hand, addition of HHO gas to the blends significantly dropped the brake specific fuel consumption. With regard to the emissions, addition of the biodiesel blends reduced the concentration of the CO, HC, and CO 2. Nevertheless, no reduction reported in the formation of the NO. However, adding the HHO to the biodiesel reduced the average NOx by 6%, which is a substantial effect. Overall, HHO enriching biodiesel blends are the potential replacement for the existing fossil fuels for its superior fuel properties compared to the conventional diesel. • Moringa oleifera blends were tested in the CI engine at 20% and 40%. • Biodiesel blends tested with presence of the oxyhydrogen. • HHO enriched fuel reported reduced BSFC than convention blends. • NOx significantly reduced at low biodiesel blends concentration enriched with HHO. [ABSTRACT FROM AUTHOR]
ISSN:03603199
DOI:10.1016/j.ijhydene.2021.08.054