摘要
Experimental research on performance and emission of the CA498 vehicle direct-injection DME engine by means of two kinds of exhaust gas recirculation (EGR) scheme is carried out. Test results indicate that NOx emission decreases with the rise of EGR ratio in two schemes and NOx emission decreases sharply by scheme 2 in which NOx emission decreases about 40% at 20% EGR ratio with less penalty on the brake thermal efficiency of DME engine. CO emission of DME engine drops greatly with oxidation catalytic reactor as the after-treatment at all operating conditions. Experiments prove that it is efficient for controlling NOx emission by EGR and controlling CO emission by oxidation catalytic reactor on DME engine.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 5-7+15 |
| 期刊 | Nongye Jixie Xuebao/Transactions of the Chinese Society of Agricultural Machinery |
| 卷 | 37 |
| 期 | 1 |
| 出版状态 | 已出版 - 1月 2006 |
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