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Experimental investigations on effect of different compression ratios on enhancement of maximum hydrogen energy share in a compression ignition engine under dual-fuel mode

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  • Chintala, V.
  • Subramanian, K.A.

Abstract

The study deals the effect of different compression ratios on maximum hydrogen energy share, thermal efficiency, and emissions in a 7.4 kW direct injection CI (compression ignition) engine under dual-fuel mode. Experimental tests were conducted on the engine with three different compression ratios (19.5:1 base (CR1), 16.5:1 (CR2), and 15.4:1 (CR3)) using hydrogen as main fuel and diesel as pilot fuel at 100% load and constant speed of 1500 rpm. Knock limited maximum hydrogen energy share enhanced significantly from 19% with CR1 to 59% and 63% with CR2 and CR3. The percentage reductions of NOx emission in the engine with CR2 and CR3 are about 43% and 48% respectively. HC (Hydrocarbon) and CO (carbon monoxide) emissions reached to zero level with the hydrogen addition at all compression ratios. The optimum compression ratio is 16.5:1 in view of higher thermal efficiency and lower emissions (HC, CO, smoke, and NOx). A notable conclusion emerged from the study is that the reduction in compression ratio of the engine is a promising option for the improvement in hydrogen energy share and thermal efficiency along with benefits of lower emissions.

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  • Chintala, V. & Subramanian, K.A., 2015. "Experimental investigations on effect of different compression ratios on enhancement of maximum hydrogen energy share in a compression ignition engine under dual-fuel mode," Energy, Elsevier, vol. 87(C), pages 448-462.
    • Handle: RePEc:eee:energy:v:87:y:2015:i:c:p:448-462
    DOI: 10.1016/j.energy.2015.05.014
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    Cited by:

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    2. Krishnamoorthi, M. & Malayalamurthi, R. & Sakthivel, R., 2019. "Optimization of compression ignition engine fueled with diesel - chaulmoogra oil - diethyl ether blend with engine parameters and exhaust gas recirculation," Renewable Energy, Elsevier, vol. 134(C), pages 579-602.
    3. Chintala, Venkateswarlu & Subramanian, K.A., 2016. "CFD analysis on effect of localized in-cylinder temperature on nitric oxide (NO) emission in a compression ignition engine under hydrogen-diesel dual-fuel mode," Energy, Elsevier, vol. 116(P1), pages 470-488.
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    5. Corzo Santamaría, Teresa & Martin-Bujack, Karin & Portela, Jose & Sáenz-Diez, Rocio, 2022. "Early market efficiency testing among hydrogen players," International Review of Economics & Finance, Elsevier, vol. 82(C), pages 723-742.
    6. Amit Kumar Sharma & Pankaj Kumar Sharma & Venkateswarlu Chintala & Narayan Khatri & Alok Patel, 2020. "Environment-Friendly Biodiesel/Diesel Blends for Improving the Exhaust Emission and Engine Performance to Reduce the Pollutants Emitted from Transportation Fleets," IJERPH, MDPI, vol. 17(11), pages 1-18, May.
    7. Rosha, Pali & Dhir, Amit & Mohapatra, Saroj Kumar, 2018. "Influence of gaseous fuel induction on the various engine characteristics of a dual fuel compression ignition engine: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 3333-3349.
    8. Chintala, Venkateswarlu & Subramanian, K.A., 2017. "A comprehensive review on utilization of hydrogen in a compression ignition engine under dual fuel mode," Renewable and Sustainable Energy Reviews, Elsevier, vol. 70(C), pages 472-491.
    9. Alçelik, Necdet & Sarıdemir, Suat & Polat, Fikret & Ağbulut, Ümit, 2024. "Role of hydrogen-enrichment for in-direct diesel engine behaviours fuelled with the diesel-waste biodiesel blends," Energy, Elsevier, vol. 302(C).
    10. Chintala, V. & Subramanian, K.A., 2017. "Experimental investigation of autoignition of hydrogen-air charge in a compression ignition engine under dual-fuel mode," Energy, Elsevier, vol. 138(C), pages 197-209.
    11. Muthukumar, K. & Kasiraman, G., 2024. "Utilization of fuel energy from single-use Low-density polyethylene plastic waste on CI engine with hydrogen enrichment – An experimental study," Energy, Elsevier, vol. 289(C).
    12. Gao, Jianbing & Tian, Guohong & Jenner, Phil & Burgess, Max & Emhardt, Simon, 2020. "Preliminary explorations of the performance of a novel small scale opposed rotary piston engine," Energy, Elsevier, vol. 190(C).
    13. Benbellil, Messaoud Abdelalli & Lounici, Mohand Said & Loubar, Khaled & Tazerout, Mohand, 2022. "Investigation of natural gas enrichment with high hydrogen participation in dual fuel diesel engine," Energy, Elsevier, vol. 243(C).
    14. Yilmaz, I.T. & Gumus, M., 2018. "Effects of hydrogen addition to the intake air on performance and emissions of common rail diesel engine," Energy, Elsevier, vol. 142(C), pages 1104-1113.
    15. Serrano, J. & Jiménez-Espadafor, F.J. & López, A., 2019. "Analysis of the effect of the hydrogen as main fuel on the performance of a modified compression ignition engine with water injection," Energy, Elsevier, vol. 173(C), pages 911-925.
    16. Juan Marquez Gomez & Marley Vanegas Chamorro & Daniel Mendoza Caceres, 2022. "Trends in Research Focused on Hydrogen Production Based on the Web of Science," International Journal of Energy Economics and Policy, Econjournals, vol. 12(4), pages 117-121, July.
    17. Su, Teng & Ji, Changwei & Wang, Shuofeng & Shi, Lei & Yang, Jinxin & Cong, Xiaoyu, 2017. "Investigation on performance of a hydrogen-gasoline rotary engine at part load and lean conditions," Applied Energy, Elsevier, vol. 205(C), pages 683-691.
    18. Wang, Ying & Liu, Hong & Huang, Zhiyong & Liu, Zhensheng, 2016. "Study on combustion and emission of a dimethyl ether-diesel dual-fuel premixed charge compression ignition combustion engine with LPG (liquefied petroleum gas) as ignition inhibitor," Energy, Elsevier, vol. 96(C), pages 278-285.
    19. Jemni, Mohamed Ali & Kassem, Sahar Hadj & Driss, Zied & Abid, Mohamed Salah, 2018. "Effects of hydrogen enrichment and injection location on in-cylinder flow characteristics, performance and emissions of gaseous LPG engine," Energy, Elsevier, vol. 150(C), pages 92-108.
    20. Krishnamoorthi, M. & Malayalamurthi, R., 2017. "Experimental investigation on performance, emission behavior and exergy analysis of a variable compression ratio engine fueled with diesel - aegle marmelos oil - diethyl ether blends," Energy, Elsevier, vol. 128(C), pages 312-328.
    21. M Krishnamoorthi & R Malayalamurthi, 2018. "Effect of exhaust gas recirculation and charge inlet temperature on performance, combustion, and emission characteristics of diesel engine with bael oil blends," Energy & Environment, , vol. 29(3), pages 372-391, May.

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