Burning velocity of methane/diluent mixture with reformer gas addition |
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Authors: | Panfeng Han |
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Affiliation: | Department of Mechanical Engineering, University of Alberta, Edmonton, Canada T6G 2G8 |
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Abstract: | The motivation of this study is to explore the feasibility of extending the EGR (exhaust gas recirculation) diluent tolerance for methane/air mixtures with reformer gas (CO and H2). A preheated cylindrical combustion chamber was used to measure the laminar burning velocity of methane/air mixture with variations of EGR diluent, reformer gas, temperature and pressure. The experiments were carried out at the range of initial temperature from 298 K to 498 K and initial pressure from 1 atm to 5 atm. The maximum EGR fraction is 40%. Reformer gas was introduced to raise the burning velocity of methane/EGR mixture to the undiluted level. Results indicate that the reformer gas has potential to improve the burning velocity while reducing the nitric oxide emission. |
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Keywords: | Exhaust-gas-recirculation Reformer-gas NOx |
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