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논문 기본 정보

자료유형
학술저널
저자정보
배명환 (경상대학교) 구영진 (경상대학교) 박희성 (경상대학교)
저널정보
한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제24권 제5호
발행연도
2016.9
수록면
538 - 548 (11page)

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이 논문의 연구 히스토리 (9)

초록· 키워드

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The purpose of this study is to identify the possibility of effective tuning works, understand the characteristics of tuning engine, and analyse the basic data of engine tuning inspection corresponding to the safe operation and environment of a driving gasoline car. The effects of tuning on the characteristics of performance and exhaust emissions under a wide range of engine speeds are experimentally investigated by the actual driving car with a four-cycle, four-cylinder DOHC, turbo-intercooler, water-cooled gasoline engine operating at four types of non-tuning, tuning 1, 2 and 3. The tuning parts in the gasoline engine are the intake manifold, intake pipe and air filter. In the experiment, the output, torque and air-fuel ratio of the five-speed automatic transmission vehicles were measured at the chassis dynamometer(Dynojet 224xLC) with one person on board. The exhaust emissions of NO<SUB>X</SUB>, THC, CO, O₂ and CO₂, and excess air ratio(λ) at the other chassis dynamometer(DASAN-MD-ASM-97-KR-HD) were also measured by the idle/ constant-speed mode(ASM2525 mode) test method. It is found that the actual air-fuel ratios of non-tuning and tuning engines were shown to be lower than the stoichiometric air-fuel ratio with increasing engine speed, and the actual air-fuel ratio of non-tuning engine was slightly higher than those of tuning engines when the engine speed is more than 4000 rpm. The output was significantly increased by the tuning whereby the maximum output of tuning engine was more increased to approximately 117.64% than that of non-tuning engine. In addition, CO, THC and NOX emissions of non-tuning and tuning engines measured by the constant-speed test mode were all satisfied with the inspection standards. CO emission was increased, while THC and NO<SUB>X</SUB> emissions were reduced by tuning.

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Abstract
1. 서론
2. 실험 장치 및 방법
3. 실험 결과 및 고찰
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2017-556-000985162