19권 4호 16-23 2011 [한국자동차공학회 논문집 ]
| 제목 | 분사기 형상 변경을 통한 저온 디젤 연소의 배기 배출물 저감 |
|---|---|
| 분야 | 엔진 및 연소 |
| 언어 | Korean |
| 저자 | 정용진(한국과학기술원), 배충식(한국과학기술원), 장진영(두산인프라코어), 김득상(두산인프라코어), 박정서(한국과학기술원) |
| Key Words | LTC(Low Temperature diesel Combustion; 저온디젤 연소), EGR(Exhaust Gas Recirculation; 배기가스 재순환), Narrow injection angle injector(협각 분사기), Nitrogen Oxides(NOx; 질소산화물), Smoke(매연) |
| 초록 |
Low temperature combustion is one of the advanced combustion technology in an internal combustion engine to reduce soot and nitrogen oxides simultaneously. In present experiment three kinds of injector were used to investigate the influence of injection angle and number of nozzle holes on the low temperature combustion in a heavy duty diesel engine. Low temperature diesel combustion is realized from the exhaust gas recirculation rate of 60%. Indicated mean effective pressure of low temperature combustion corresponds to the 70% level of conventional diesel engine combustion. Reduction of hydrocarbon and carbon monoxide, which are produced in low temperature combustion because of the low combustion temperature and a deficit of oxygen, was achieved by using various injector configuration. The result of experiment with 100° injection angle and 8 holes showed that reductions in hydrocarbon and carbon monoxide could be achieved 58% and 27% respectively maintaining the 7% increased indicated mean effective pressure in low temperature diesel combustion compared with conventional injector. |
| 원문(PDF) | 다운로드 |