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A steady, equilibrium mathematical model of the system: natural gas engine and steam-exhaust gas reformer is developed and programmed in Matlab. The modelled process of the reforming is carried out on the nickel/aluminium catalyst Ni/MgAl2O4. Natural gas, exhaust gas from the engine and steam consist substrates i n this process. The main products of the reforming are hydrogen and carbon monoxide. Hydrogen is a very promising fuel for internal combustion engines. Thanks to its high flame speed and low flammability limit, the addition of hydrogen to the conventional fuel results in a considerable reduction of NO, production.The model is used to investigate the influence of temperature and proportions between reagents on the process. The analysed parameters are: the pressure generated in the engine working in the hybrid, NO, production by the engine, reforming products by reformer co-operating with engine.
Słowa kluczowe
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Czasopismo
Rocznik
Tom
Strony
44--52
Opis fizyczny
Bibliogr. 7 poz., rys.
Twórcy
autor
- Warsaw University of Technology, Institute of Heat Engineering, 00-665 Warsaw, Nowowiejska 21/25,Poland tel. (+4822) 660-5277, fax(+4822) 825-0565
autor
- Warsaw University of Technology, Institute of Heat Engineering, 00-665 Warsaw, Nowowiejska 21/25,Poland tel. (+4822) 660-5277, fax(+4822) 825-0565
Bibliografia
- [1] Allenby S., Chang W-C, Magaritis A., Wyszynski M.L. - Hydrogen enrichment: a way to maintain combustion stability in a natural gas fuelled engine with exhaust gas recirculation, the potential of fuel reforming. - Proc. Instn Mech. Engrs Vol. 215 Part D, 2001
- [2] Froment G., Bischoff K- Chemical Reactor Analysis and Design. John Wiley & Sons 1990
- [3] Peucheret S., Wyszynski M.L. -Draft: Exhaust-gas reforming of methane to aid natural gas HCCI combustion: experimental results of open loop hydrogen production and basic thermodynamic analysis, ESDA 2004-58270
- [4J Teodorczyk A., Rychter T.J. - Mathematical Model of nitric oxide formation in an SI piston engine, PWN 1990
- [5] Ufnalski W. - Równowagi Chemiczne, Wydawnictwo Naukowo- Techniczne 1995
- [6] Rychter T., Teodorczyk A. - Modelowanie matematyczne roboczego cyklu silnika tłokowego, PWN 1990
- [7] Xu J., Froment G. - Methane Steam Reforming. Methanation and Water-Gas Shift: 1.Intrinsic Kinetics. AIChE Journal January 1989 Vol. 35, No. 1
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUJ6-0023-0124