http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
ETC 적용을 통한 천연가스/디젤 혼소엔진 배출가스 특성에 관한 연구
이옥재(OkJae Lee),이상민(Sangmin Lee),심주현(Juhyen Sim),곽용환(Yongwhan Kwak),이창언(Changeun Lee),양순용(Soonyoung Yang) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
In this study, 3.4L mechanical controlled diesel engine is converted into Natural Gas / CRDi dual fuel engine and investigated the emission characteristics of the engine according to restrict air flow by ETC to suppress the performance degradation of emissions due to lean combustion characteristics of the dual fuel engine based on diesel engine(by KC1-8 Mode). As the result, fuel consumption is significant reduction in low load area. THC, CH₄, CO emissions were reduced and PM emissions rapidly decreased to 7.42×10<SUP>-7</SUP> g / kWh from 1.4×10<SUP>-4</SUP> g / kWh. NOx emission increased to 3.12 g / kWh from 2.65 g / kWh, but can be improved through optimization of the ETC.
심주현(Juhyen Sim),고춘식(Chunsik Ko),이상민(Sangmin Lee),이옥재(Okjae Lee),이창언(Chang-Eon Lee) 한국연소학회 2012 KOSCOSYMPOSIUM논문집 Vol.- No.45
An experimental study was performed to provide the effect of PM reduction and the improvement of diesel alternative ratio utilizing diesel-natural gas dual-fuel combustion mode in a retrofit 3.4-liter diesel engine. In order to achieve the same power as the original diesel engine, engine control unit (ECU) of the dual-fuel engine was calibrated. As a result, diesel alternative ratio was found that the maximum value of diesel alternative ratio was about 96%. Finally PM emission experiment was performed in C1-8 mode cycle and it was shown PM emission was extremely reduced down to 7.42*10<SUP>-7</SUP> g/kWh comparing with mechanical diesel engine.