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논문 기본 정보

자료유형
학술대회자료
저자정보
저널정보
한국자동차공학회 한국자동차공학회 Workshop 한국자동차공학회 1997년 워크샵(가솔린엔진)
발행연도
1997.7
수록면
71 - 106 (36page)

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초록· 키워드

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Gasoline Direct Injection technology is actually in the focus of intensive development activities, primarily due to the outstanding potential for fuel economy improvement. Direct injection enables a variety of fuel economy-oriented as well as emission-oriented Gasoline engine concepts based on various possible operation modes as homogeneous stoichiometric, homogeneous lean, lean and stratified near stoichiometric operation. Especially the mode of stratified stoichiometric or near stoichiometric operation represents a new approach for ultra low emission concepts.
Current development activities primarily are focused on extremely lean stratified operation. This target can be approached with a variety of combustion systems which can be tailored, at least to a certain extend, towards various base engine configurations. A key component for these combustion systems however, is the injection system with its spray characteristics.
Due to the variety of possible operation modes of a GDI engine, the engine management system and its control algorithms as well as an efficient and durable exhaust gas aftertreatment are playing a major role in meeting future emission legislation and driveability requirements.

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Summary

1.Introduction

2.Gasoline Direct Injection concepts

3.Combustion concepts for Gasoline Direct Injection

4.AVL Gasoline DI combustion systems

5.Operation strategies and exhaust gas aftertreatment

6.Injection systems

7.Summary and outlook

8.References

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