| Zhang Xin(张欣),Li Congxin,Xu Jian.[J].高技术通讯(英文),2011,17(2):202~206 |
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| The experimental study on combustion characteristics and emissions of a CMM fueled engine |
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| DOI： |
| 中文关键词: |
| 英文关键词: coal-mine methane(CMM), engine, combustion characteristic, emission |
| 基金项目: |
| Author Name | Affiliation | | Zhang Xin(张欣) | | | Li Congxin | | | Xu Jian | |
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| 中文摘要: |
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| 英文摘要: |
| In this paper, an experimental study on combustion characteristics and emissions of a single cylinder spark ignition engine fueled with coal-mine methane (CMM) is investigated under various loads. CMM is simulated by the compressed nature gas(CNG)/nitrogen blend fuels. Based on experiment results, it is shown that under 0%～35% nitrogen volume fraction in CNG/nitrogen blends, the maximum cylinder pressure, the maximum rate of pressure rise and the rate of heat release decrease, the flame propagation period increases, the center of heat release curve is closed to the top dead centre(TDC)markedly with the increase of nitrogen volume fraction. Meanwhile, the hydrocarbon (HC), CO emissions increase, the NOX emission decreases apparently with the increase of nitrogen volume fraction. |
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