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Effects of compression ratio on the combustion and emission of a hydrogen enriched natural gas engine under different excess air ratio

Author

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  • Zhao, Jianbiao
  • Ma, Fanhua
  • Xiong, Xingwang
  • Deng, Jiao
  • Wang, Lijun
  • Naeve, Nashay
  • Zhao, Shuli

Abstract

An experimental study on the effects of compression ratio (i.e. 10:1, 12:1) on the combustion and emission of a hydrogen enriched natural gas engine under different excess air ratio is reported. The experimental data are compiled on a turbocharged spark-ignition engine using 55% (volumetric ratio) HCNG (hydrogen enriched natural gas) fuel under MAP (manifold absolute pressure) of 50 kPa, spark-timing of 16° CA (crankshaft angle) and engine speed of 1200 rpm. The results show that the increase of compression ratio can improve the engine's combustion condition, fuel economy and power performance within the normal operation range (lambda less than 1.8) instead of the extremely lean operation. However, the lean limit cannot be broadened with the high compression ratio. It is also found that the THC (Total Hydrocarbon) emission and the NOx (Nitrogen Oxide) emission increase with the compression ratio.

Suggested Citation

  • Zhao, Jianbiao & Ma, Fanhua & Xiong, Xingwang & Deng, Jiao & Wang, Lijun & Naeve, Nashay & Zhao, Shuli, 2013. "Effects of compression ratio on the combustion and emission of a hydrogen enriched natural gas engine under different excess air ratio," Energy, Elsevier, vol. 59(C), pages 658-665.
    • Handle: RePEc:eee:energy:v:59:y:2013:i:c:p:658-665
    DOI: 10.1016/j.energy.2013.07.033
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    References listed on IDEAS

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    1. Poompipatpong, Chedthawut & Cheenkachorn, Kraipat, 2011. "A modified diesel engine for natural gas operation: Performance and emission tests," Energy, Elsevier, vol. 36(12), pages 6862-6866.
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    2. Colmenar-Santos, Antonio & Zarzuelo-Puch, Gloria & Borge-Diez, David & García-Diéguez, Concepción, 2016. "Thermodynamic and exergoeconomic analysis of energy recovery system of biogas from a wastewater treatment plant and use in a Stirling engine," Renewable Energy, Elsevier, vol. 88(C), pages 171-184.
    3. 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.
    4. Bum Youl Park & Ki-Hyung Lee & Jungsoo Park, 2020. "Conceptual Approach on Feasible Hydrogen Contents for Retrofit of CNG to HCNG under Heavy-Duty Spark Ignition Engine at Low-to-Middle Speed Ranges," Energies, MDPI, vol. 13(15), pages 1-16, July.
    5. 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.
    6. Kumar, T. Sathish & Ashok, B., 2021. "Critical review on combustion phenomena of low carbon alcohols in SI engine with its challenges and future directions," Renewable and Sustainable Energy Reviews, Elsevier, vol. 152(C).
    7. Mehra, Roopesh Kumar & Duan, Hao & Juknelevičius, Romualdas & Ma, Fanhua & Li, Junyin, 2017. "Progress in hydrogen enriched compressed natural gas (HCNG) internal combustion engines - A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 1458-1498.
    8. Wang, Shuofeng & Ji, Changwei & Zhang, Bo & Cong, Xiaoyu & Liu, Xiaolong, 2016. "Effect of CO2 dilution on combustion and emissions characteristics of the hydrogen-enriched gasoline engine," Energy, Elsevier, vol. 96(C), pages 118-126.
    9. Chen, Zheng & Zhang, Fan & Xu, Boya & Zhang, Quanchang & Liu, Jingping, 2017. "Influence of methane content on a LNG heavy-duty engine with high compression ratio," Energy, Elsevier, vol. 128(C), pages 329-336.
    10. Gong, Changming & Li, Zhaohui & Sun, Jingzhen & Liu, Fenghua, 2020. "Evaluation on combustion and lean-burn limitof a medium compression ratio hydrogen/methanol dual-injection spark-ignition engine under methanol late-injection," Applied Energy, Elsevier, vol. 277(C).
    11. Duan, Xiongbo & Li, Yangyang & Liu, Jingping & Guo, Genmiao & Fu, Jianqin & Zhang, Quanchang & Zhang, Shiheng & Liu, Weiqiang, 2019. "Experimental study the effects of various compression ratios and spark timing on performance and emission of a lean-burn heavy-duty spark ignition engine fueled with methane gas and hydrogen blends," Energy, Elsevier, vol. 169(C), pages 558-571.
    12. Gong, Changming & Yi, Lin & Zhang, Zilei & Sun, Jingzhen & Liu, Fenghua, 2020. "Assessment of ultra-lean burn characteristics for a stratified-charge direct-injection spark-ignition methanol engine under different high compression ratios," Applied Energy, Elsevier, vol. 261(C).
    13. Pandey, Jayashish Kumar & Kumar, G.N., 2022. "Effect of variable compression ratio and equivalence ratio on performance, combustion and emission of hydrogen port injection SI engine," Energy, Elsevier, vol. 239(PE).
    14. Di Iorio, Silvana & Sementa, Paolo & Vaglieco, Bianca Maria, 2016. "Analysis of combustion of methane and hydrogen–methane blends in small DI SI (direct injection spark ignition) engine using advanced diagnostics," Energy, Elsevier, vol. 108(C), pages 99-107.
    15. Tan, Dongli & Meng, Yujun & Tian, Jie & Zhang, Chengtao & Zhang, Zhiqing & Yang, Guanhua & Cui, Shuwan & Hu, Jingyi & Zhao, Ziheng, 2023. "Utilization of renewable and sustainable diesel/methanol/n-butanol (DMB) blends for reducing the engine emissions in a diesel engine with different pre-injection strategies," Energy, Elsevier, vol. 269(C).

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