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| 天然气发动机动力性恢复研究 |
| Study of Convertion Performance on Natural Gas- gasoline Engine |
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| DOI：10.3969/j.issn.1671-5322.2008.02.002 |
| 中文关键词: 天然气 汽油 燃料转换 节气门开度 排放 |
| 英文关键词: natural gas gasoline convertion valve opening degree emission |
| 基金项目: |
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| 中文摘要: |
| 通过控制装置转换两用燃料来恢复发动机的动力性.在对两种燃料进行了性能对比试验后,分析并确定了转换点对应的节气门开度.然后进行燃料转换试验.研究结果表明:天然气汽油转换发动机运转稳定,最佳的转换位置是50%节气门开度.开度低于50%时,发动机燃用天然气;高于50%后,燃用汽油以恢复动力性要求.转换前后发动机排放分别接近燃用天然气和汽油的排放量. |
| 英文摘要: |
| Convertion is done with control equipment on a gasoline engine. Performance comparison between gasoline and naturalgas is made and valve opening degree of convertion is confirmed. Then the convertion experiment is carried. Results indicate: en-gine works without problems. Valve opening degree of convertion is 50%. When it is lower than 50%, natural gas is used andwhen it is higher than 50%, gasoline is provided to assure the high load. Emssion of convertion experiment lies between naturalgas and gasoline. |
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