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Hydrogen supplement co-combustion with diesel in compression ignition engine

Author

Listed:
  • Hamdan, Mohammad O.
  • Selim, Mohamed Y.E.
  • Al-Omari, Salah-A.B.
  • Elnajjar, Emad

Abstract

The present work investigates experimentally the behavior of compression ignition engine while boosting the combustion by enriching air-intake manifold with hydrogen supplement at the atmospheric condition. The study reports the engine thermal efficiency, NOx emissions and engine exhaust temperature while varying hydrogen content, engine speed and ignition timing. The results show that thermal efficiency of the compression ignition engine increases as hydrogen content increases in the air-intake manifold for the same diesel mass flow rate. The effect of hydrogen supplement on engine efficiency is more pronounced at low engine speed and part-load. The hydrogen supplement causes an increase in NOx emissions which is attributed to the increase in the combustion temperature and as a result, lower smoke opacity numbers are attained.

Suggested Citation

  • Hamdan, Mohammad O. & Selim, Mohamed Y.E. & Al-Omari, Salah-A.B. & Elnajjar, Emad, 2015. "Hydrogen supplement co-combustion with diesel in compression ignition engine," Renewable Energy, Elsevier, vol. 82(C), pages 54-60.
    • Handle: RePEc:eee:renene:v:82:y:2015:i:c:p:54-60
    DOI: 10.1016/j.renene.2014.08.019
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    References listed on IDEAS

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    1. Elnajjar, Emad & Hamdan, Mohammad O. & Selim, Mohamed Y.E., 2013. "Experimental investigation of dual engine performance using variable LPG composition fuel," Renewable Energy, Elsevier, vol. 56(C), pages 110-116.
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    Cited by:

    1. Han, Guopeng & Yao, Anren & Yao, Chunde & Wu, Taoyang & Wang, Bin & Wei, Hongyuan, 2017. "Mechanism analysis on controllable methanol quick combustion," Applied Energy, Elsevier, vol. 206(C), pages 558-567.
    2. 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.
    3. Hosseini, S. Mohammad & Ahmadi, Rouhollah, 2017. "Performance and emissions characteristics in the combustion of co-fuel diesel-hydrogen in a heavy duty engine," Applied Energy, Elsevier, vol. 205(C), pages 911-925.
    4. Andrzej Soboń & Daniel Słyś & Mariusz Ruszel & Alicja Wiącek, 2021. "Prospects for the Use of Hydrogen in the Armed Forces," Energies, MDPI, vol. 14(21), pages 1-12, October.
    5. Al Omari, Salah A.B. & Hamdan, Mohammad O. & Selim, Mohamed YE. & Elnajjar, Emad, 2019. "Combustion of jojoba-oil/diesel blends in a small scale furnace," Renewable Energy, Elsevier, vol. 131(C), pages 678-688.

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