This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Combustion and Emission Characteristics of Heavy Duty SI Engine Fueled with Synthetic Natural Gas (SNG)
Technical Paper
2013-01-0026
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
Natural gas produced from coal or biomass is known as synthetic natural gas (SNG), which is expected to replace compressed natural gas (CNG). In this study, we used an 11-l heavy-duty CNG engine in a feasibility study of SNG. SNG, which is composed of 90.95% methane, 6.05% propane, and 3% hydrogen, was produced for the experiment and used as fuel to estimate its effects on combustion and emission characteristics. The torque, fuel flow rate, efficiency, fuel consumption, combustion stability, combustion phase, and emissions characteristics obtained using SNG were compared to those obtained using CNG in an engine speed range of 1,000-2,100 rpm under full load conditions. In addition, an engine fueled with SNG was given an overall evaluation using the World Harmonized Stationary Cycle (WHSC) emission test. The engine's knock characteristic was analyzed at 1,260 rpm under a full load condition. The results showed that there was no difference in power output. The combustion produced using SNG was more stable than that obtained using CNG because of the hydrogen contained in SNG. CO₂ emission was decreased using SNG because of the low fuel consumption and high H/C ratio. However, the nitrogen oxides (NOx) emission of SNG appeared slightly higher than that of CNG. The engine fueled with SNG produced greater knock prevention. Thus, SNG is an attractive fuel for a conventional CNG engine, without the need for any large change in the engine's operating parameters or structure.
Recommended Content
Authors
Topic
Citation
Lim, G., Lee, S., Park, C., Kim, C. et al., "Combustion and Emission Characteristics of Heavy Duty SI Engine Fueled with Synthetic Natural Gas (SNG)," SAE Technical Paper 2013-01-0026, 2013, https://doi.org/10.4271/2013-01-0026.Also In
References
- Jan , K. , Tilman , J. S. , and Serge M.A. B. Production of synthetic natural gas (SNG) from coal and dry biomass - A technology review from 1950 to 2009 Fuel 89 8 1763 1783 2010 10.1016/j.fuel.2010.01.027
- Suhyun , K. , Youngdon , Y. , Munhyun , K. , Narang , K. et al. The study of SNG (Substitute Natural Gas) production process using synthesis gas from gasification KOSEE Fall conference 2007 Korea November 2007
- Remo , F. , and Roberto , D. Evaluation of ecological impacts of synthetic natural gas from wood used in current heating and car systems Biomass and Bioenergy 31 6 403 415 2007 10.1016/j.biombioe.2006.08.005
- Steubing , B. , Zah , R. , and Ludwig , C. Life cycle assessment of SNG from wood for heating, electricity, and transportation Biomass and Bioenergy 35 7 2950 2960 2011 10.1016/j.biombioe.2011.03.036
- Heywood , J. B. Internal Combustion Engine Fundamentals McGraw-Hill 0-07-100499-8 656 657 1998
- Jahirul , M.I. , Masjuki , H.H. , Saidur , R. , Kalam , M.A. et al. Comparative engine performance and emission analysis of CNG and gasoline in a retrofitted car engine Applied Thermal Engineering 30 14-15 2219 2226 2010 10.1016/j.applthermaleng.2010.05.037
- Fanhua , M. , Shangfen , D. , Yu , W. , Yefu , W. et al. Study on combustion behaviors and cycle-by-cycle variations in a turbocharged lean burn natural gas S.I. engine with hydrogen enrichment Int. J. of Hydrogen Energy 33 23 7246 7255 2008 10.1016/j.ijhydene.2008.09.016
- Mustafi , N. N. , Miraglia , Y. C. , Raine , R. R. , Bansal , P. K. et al. Spark-ignition engine performance with ‘Powergas’ fuel (mixture of CO/H 2 ): A comparison with gasoline and natural gas Fuel 85 12-13 1605 1612 2006 10.1016/j.fuel.2006.02.017
- Jeong , C. Y. , Kim , T. S. , Lee , K. T. , Song , S. H. et al. Generating efficiency and emissions of a spark-ignition gas engine generator fuelled with biogas-hydrogen blends Int. J. of Hydrogen Energy 34 23 9620 9627 2009 10.1016/j.ijhydene.2009.09.099
- Park , C. W. , Park , S. H. , Lee , Y. G. , Kim , C. G. et al. Performance and emission characteristics of a SI engine fueled by low calorific biogas blended with hydrogen Int. J. of Hydrogen Energy 36 16 10080 10088 2011 10.1016/j.ijhydene.2011.05.018
- Global Registry Test Procedure for Compression- Ignition (C.I.) Engines and Positive-Ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission to the Emission of Pollutants Global Technical Regulation (GTR) No.4 Nov. 2006
- Stephen R. T. Introduction to Combustion 2/E McGraw-Hill 0-07-230096-5 158 167 2000
- Valtadoros , T. , Wong , V. , and Heywood , J. Engine Knock Characteristics at the Audible Level SAE Technical Paper 910567 1991 10.4271/910567