Domestic Journal


Title전지연, 배충식, “DME 분사시기 조절을 통한 수소-DME 부분 예혼합 압축착화 연소 제어”, 한국연소학회지, vol. 38, No. 1, pp27-33, 2013. 3

전지연, 배충식, “DME 분사시기 조절을 통한 수소-DME 부분 예혼합 압축착화 연소 제어”, 한국연소학회지, vol. 38, No. 1, pp27-33, 2013. 3

Abstract

Hydrogen-dimethy ether (DME) partially premixed compression ignition (PCCI) engine combustion was investigated in a single cylinder compression ignition engine. Hydrogen and DME were used as low carbon alternative fuels to reduce green house gases and pollutant. Hydrogen was injected at the intake manifold with an injection pressure of 0.5 MPa at fixed injection timing, -210°CA aTDC. DME was injected directly into the cylinder through the common-rail injection system at injection pressure of 30 MPa. DME inejction timing was varied to find the optimum PCCI combustion to reduce CO, HC and NOx emissions. When DME was injected early, CO and HC emissions were high while NOx emission was low. As the DME injection was retarded, the CO and HC emissions were decreased due to high combustion efficiency. NOx emissions were increased due to the high in-cylinder temperature. When DME were injected at –30 °CA aTDC, reduction of HC, CO and NOx emissions was possible with high value of IMEP.

Previous오희창, 이민석, 박정서, 배충식, “성층희박연소 운전조건에서 분사시기에 따른 분무유도식 직접분사 가솔린엔진의 분무 및 화염특성”, 대한기계학회 논문집 B권, 제 37권, 제 3호, pp221-228, 2013. 3
Next김기현, 배충식, “압축착화 엔진에서 DME-가솔린 혼소 운전 특성에 관한 연구”, 한국자동차공학회 논문집, vol. 22, No. 1, pp157-164, 2014.
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