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Kinetic and CFD Modeling of Exhaust Gas Reforming of Natural Gas in a Catalytic Fixed‐Bed Reactor for Spark Ignition Engines

Abdulwahid, Arman and Hagos, F. Y. and Abdul Adam, Abdullah and Abd Rashid, Abd Aziz and R., Mamat and Cheng, C. K. and Vo, Dai-Viet N. (2020) Kinetic and CFD Modeling of Exhaust Gas Reforming of Natural Gas in a Catalytic Fixed‐Bed Reactor for Spark Ignition Engines. Chemical Engineering and Technology, 43 (4). pp. 705-718. ISSN 1521-4125

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Abstract

Fuel reforming is an attractive method for performance enhancement of internal combustion engines fueled by natural gas, since the syngas can be generated inline from the reforming process. In this study, 1D and 2D steady‐state modeling of exhaust gas reforming of natural gas in a catalytic fixed‐bed reactor were conducted under different conditions. With increasing engine speed, methane conversion and hydrogen production increased. Similarly, increasing the fraction of recirculated exhaust gas resulted in higher consumption of methane and generation of H2 and CO. Steam addition enhanced methane conversion. However, when the amount of steam exceeded that of methane, less hydrogen was produced. Increasing the wall temperature increased the methane conversion and reduced the H2/CO ratio.

Item Type: Article
Uncontrolled Keywords: EGR, Exhaust gas reforming, Natural gas, SI engine, Syngas
Subjects: T Technology > TP Chemical technology
T Technology > TS Manufactures
Faculty/Division: Centre of Excellence: Automotive Engineering Centre
Centre of Excellence: Automotive Engineering Centre

Faculty of Chemical and Process Engineering Technology
Faculty of Mechanical and Automotive Engineering Technology
Institute of Postgraduate Studies
Depositing User: Noorul Farina Arifin
Date Deposited: 19 Oct 2020 01:25
Last Modified: 19 Oct 2020 01:43
URI: http://umpir.ump.edu.my/id/eprint/29560
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