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직접 분사식 가솔린 엔진의 분사시기에 따른 희박 연소 특성에 관한 연구A Study on the Characteristics of Lean burn Combustion according to Injection Timing in DISI Engine
- Other Titles
- A Study on the Characteristics of Lean burn Combustion according to Injection Timing in DISI Engine
- Issue Date
- Oct-2007
- Publisher
- 대한기계학회
- Keywords
- Direct Injection Spark Ignition(직접 분사식 가솔린 엔진); Injection Timing(분사시기); Lean Burn Combustion(희박연소); Emissions(배출가스); Stratified Combustion(희박연소)
- Citation
- 대한기계학회 춘추학술대회, pp.12 - 18
- Indexed
- OTHER
- Journal Title
- 대한기계학회 춘추학술대회
- Start Page
- 12
- End Page
- 18
- Abstract
- Recently, the important issues of gasoline engine are fuel consumption and emission. So, many researchers are studying these problems. One approach to favorably these issues is to achieve homogeneous charge combustion and stratified charge combustion with various injection timing. The combustion and emission characteristics of DISI engine according to injection strategy were examined. The effect of injection timing on lean limit A/F were investigated using DISI single cylinder, and compared with the PFI engine’s characteristics. The results show the engine operation region of DISI engine is larger than PFI type engine. Especially, late injection extended the operation region more than early injection in DISI engine. However the emission of NOx was slightly increases than early injection case.
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Related Researcher
- LEE, KI HYUNG
- ERICA 공학대학 (DEPARTMENT OF MECHANICAL ENGINEERING)