Effect of Exhaust Gas Recirculation on the Emission and Performance of Hydrogen Fueled Spark- ignition Engine

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Dr. Zuhdi Salhab
Dr. Zuhdi Salhab
1 Palestine Polytechnic University

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Exhaust gas recirculation (EGR) is a designed widely used system to reduce the exhaust emissions, particularly nitrogen oxides (NOx). At high temperatures, the nitrogen and oxygen in the engine combustion chamber can chemically combine to form NOx, which, when combined with hydrocarbons and the presence of sunlight, produce an ugly haze known commonly as smog. The EGR system recirculates a fraction of exhaust gases into the intake manifold where it mixes with the fresh incoming charge. By diluting the air-fuel charge, peak combustion temperatures and pressures are reduced resulting in a reduction of NOx concentration. In this paper, an experimental study was conducted to observe the effect of different quantities of EGR on emission and performance of four-stroke single cylinder hydrogen fueled spark-ignition engine with different excess-air ratio. Experiments were carried out for mass flow measuring of EGR with simplifying adjustment (manual designed EGR system) on the engine.

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References

  1. A Mozafari (1994). Exhaust gas recirculation in sparkignition engine.
  2. M Lapuerta,J Hernandez,F Gimenez (2000). Evaluation of exhaust gas recirculation as a technique for reducing diesel engine NO<sub><i>x</i></sub> emissions.
  3. Eran Sher (1998). Hand Book of Air Pollution from Internal Combustion Engines-Pollutant Formation and Control.
  4. Ladommatos Abdelhalim,S Zhao,H Hu,Z (1998). Effect of EGR on heat release in diesel combustion.
  5. T Jacobs,Assnis Fillipi,Z (2003). The impact of exhaust gas recirculation on performance and emissions of a heavy-duty diesel engine.
  6. R Engell (2000). The influence of EGR on heat release rate and No formation in a DI diesl engine.
  7. B Nitu,I Singth,L Zhong,K Badreshany,N Henien,W Bryzik (2002). Effect of EGR on autoignition, combustion, regulated emissions, and aldehdes in DI diesel engines.
  8. Mpb Musculus (2004). On the Correlation between NOx Emissions and the Diesel Premixed Burn.
  9. Motor Toyota,Sales (2006). Emission Sub Systems, Exhaust Gas Recirculation.
  10. Z Salhab (2001). Termodynamic and emission parameters of spark-ignition engines powered by gaseous fuels.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

Dr. Zuhdi Salhab. 2012. \u201cEffect of Exhaust Gas Recirculation on the Emission and Performance of Hydrogen Fueled Spark- ignition Engine\u201d. Global Journal of Research in Engineering - B: Automotive Engineering GJRE-B Volume 12 (GJRE Volume 12 Issue B2): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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v1.2

Issue date

August 25, 2012

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English

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Exhaust gas recirculation (EGR) is a designed widely used system to reduce the exhaust emissions, particularly nitrogen oxides (NOx). At high temperatures, the nitrogen and oxygen in the engine combustion chamber can chemically combine to form NOx, which, when combined with hydrocarbons and the presence of sunlight, produce an ugly haze known commonly as smog. The EGR system recirculates a fraction of exhaust gases into the intake manifold where it mixes with the fresh incoming charge. By diluting the air-fuel charge, peak combustion temperatures and pressures are reduced resulting in a reduction of NOx concentration. In this paper, an experimental study was conducted to observe the effect of different quantities of EGR on emission and performance of four-stroke single cylinder hydrogen fueled spark-ignition engine with different excess-air ratio. Experiments were carried out for mass flow measuring of EGR with simplifying adjustment (manual designed EGR system) on the engine.

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Effect of Exhaust Gas Recirculation on the Emission and Performance of Hydrogen Fueled Spark- ignition Engine

Dr. Zuhdi Salhab
Dr. Zuhdi Salhab Palestine Polytechnic University

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