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NOx Reduction in Diesel-Hydrogen Engines Using Different Strategies of Ammonia Injection

Author

Listed:
  • M. I. Lamas

    (Nautical Sciences and Marine Engineering Department, Universidade da Coruña, 15403 Ferrol, Spain)

  • C. G. Rodriguez

    (Norplan Engineering S.L., 15570 Naron, Spain)

Abstract

In order to reduce NO x emissions in internal combustion engines, the present work analyzes a measurement which consists of injecting ammonia directly into the combustion chamber. A commercial compression ignition engine fueled with a hydrogen-diesel blend was studied numerically. It was verified that the flow rate shape in which the ammonia was injected, particularly rectangular, triangular, or parabolic, as well as the injection duration had an important influence on NO x reduction. A 11.4% improvement in NO x reduction, corresponding to an overall reduction of 78.2% in NO x , was found for parabolic injection shape and 1º injection duration. The effect on carbon dioxide, carbon monoxide, and hydrocarbon emissions, as well as brake-specific consumption, was negligible.

Suggested Citation

  • M. I. Lamas & C. G. Rodriguez, 2019. "NOx Reduction in Diesel-Hydrogen Engines Using Different Strategies of Ammonia Injection," Energies, MDPI, vol. 12(7), pages 1-13, April.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:7:p:1255-:d:219063
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    References listed on IDEAS

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    1. Marisol Cervantes-Bobadilla & Ricardo Fabricio Escobar-Jiménez & José Francisco Gómez-Aguilar & Jarniel García-Morales & Víctor Hugo Olivares-Peregrino, 2018. "Experimental Study on the Performance of Controllers for the Hydrogen Gas Production Demanded by an Internal Combustion Engine," Energies, MDPI, vol. 11(8), pages 1-15, August.
    2. Israel Reyes-Ramírez & Santiago D. Martínez-Boggio & Pedro L. Curto-Risso & Alejandro Medina & Antonio Calvo Hernández & Lev Guzmán-Vargas, 2018. "Symbolic Analysis of the Cycle-to-Cycle Variability of a Gasoline–Hydrogen Fueled Spark Engine Model," Energies, MDPI, vol. 11(4), pages 1-19, April.
    3. Ahmed Adeeb Abdulwahid & Rong Situ & Richard J. Brown, 2018. "Underground Diesel Exhaust Wet Scrubbers: Current Status and Future Prospects," Energies, MDPI, vol. 11(11), pages 1-22, November.
    4. Cheolwoong Park & Wonah Park & Yongrae Kim & Young Choi & Byeungjun Lim, 2019. "Effect of Valve Timing and Excess Air Ratio on Torque in Hydrogen-Fueled Internal Combustion Engine for UAV," Energies, MDPI, vol. 12(5), pages 1-14, February.
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    Cited by:

    1. Pham, Quangkhai & Park, Sungwook & Agarwal, Avinash Kumar & Park, Suhan, 2022. "Review of dual-fuel combustion in the compression-ignition engine: Spray, combustion, and emission," Energy, Elsevier, vol. 250(C).
    2. Ali Cemal Benim & Björn Pfeiffelmann, 2019. "Comparison of Combustion Models for Lifted Hydrogen Flames within RANS Framework," Energies, MDPI, vol. 13(1), pages 1-24, December.
    3. María Isabel Lamas Galdo & Javier Telmo Miranda & José Manuel Rebollido Lorenzo & Claudio Giovanni Caccia, 2021. "Internal Modifications to Optimize Pollution and Emissions of Internal Combustion Engines through Multiple-Criteria Decision-Making and Artificial Neural Networks," IJERPH, MDPI, vol. 18(23), pages 1-11, December.
    4. Ruifeng Shi & Xiaoxi Chen & Jiajun Qin & Ping Wu & Limin Jia, 2022. "The State-of-the-Art Progress on the Forms and Modes of Hydrogen and Ammonia Energy Utilization in Road Transportation," Sustainability, MDPI, vol. 14(19), pages 1-25, September.
    5. Intarat Naruemon & Long Liu & Qihao Mei & Xiuzhen Ma, 2019. "Investigation on an Injection Strategy Optimization for Diesel Engines Using a One-Dimensional Spray Model," Energies, MDPI, vol. 12(21), pages 1-19, November.

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    More about this item

    Keywords

    CFD; NO x ; hydrogen; ammonia; engine;
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