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An Experimental Study on Optimal Control for Improvement of Combustion Characteristic of 1.4 L T-GDI Bi-fuel Engine with 800 kPa CNG Injector
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800kPa급 CNG 인젝터가 적용된 1.4L T-GDI Bi-fuel 엔진의 연소 특성 향상을 위한 최적제어에 관한 실험적 연구

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Type
Academic journal
Author
Jun Sang Yoo (국민대학교) Yong Seok Cho (국민대학교) Min Gi Cho (국민대학교) Tae Yong Lee (국민대학교) Ho Gil Lee (자동차부품연구원) Choong Woo Nam (자동차부품연구원) Jae Kwang Kim (모토닉) Wan Jae Jeon (모토닉)
Journal
The Korean Society of Mechanical Engineers Transactions of the Korean Society of Mechanical Engineers - B Vol.43 No.11(Wn.410) KCI Accredited Journals SCOPUS
Published
2019.11
Pages
757 - 763 (7page)
DOI
10.3795/KSME-B.2019.43.11.757

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An Experimental Study on Optimal Control for Improvement of Combustion Characteristic of 1.4 L T-GDI Bi-fuel Engine with 800 kPa CNG Injector
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Research history (2)

2021

An Experimental Study on Gas Jet Behavior Analysis and Engine Applicability of 800 kPa High Pressure CNG Injector
유준상 2021.01 Thesis

2019

An Experimental Study on Optimal Control for Improvement of Combustion Characteristic of 1.4 L T-GDI Bi-fuel Engine with 800 kPa CNG Injector
Jun Sang Yoo ,  Yong Seok Cho ,  Min Gi Cho and others 5 Transactions of the Korean Society of Mechanical Engineers - B 2019.11 Academic journal
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Abstract· Keywords

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The ongoing pursuit of low CO₂ vehicle is driving natural gas vehicles into production around the world. Natural gas, which is mainly composed of methane (CH₄), is attracting attention as an environmentally friendly fuel capable of replacing existing fossil fuels. In this paper, we developed a gasoline/CNG bi-fuel system using CNG injectors of 800 kPa for high flow and high precision control in a 1.4 L T-GDI engine. This study is about the optimization of combustion characteristics of CNG fuel according to spark timing change. Experimental results show that the optimal spark timing of CNG fuel is different from the optimal spark timing of gasoline fuel. Optimization of the spark timing of CNG fuel resulted in improved torque, BSFC and BTE. This is because the spark timing optimization based on the high octane number of CNG increased the combustion speed of CNG.
#CNG(천연가스) #Injector(인젝터) #Bi-fuel(이중연료) #Spark Timing(점화 시기)

Contents

초록
Abstract
1. 서론
2. 실험 장치 및 조건
3. 실험 결과
4. 결론
참고문헌(References)

References (8)

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Automotive Environmental Center, 2000, Automotive Environmental Engineering, Munundang, Seoul, Korea, pp. 8~17. google schola Ko, D. G., 2013, “An Experimental Study on the Combustion and Emission Characteristics of HLPG in a Constant Volume Chamber,” M. S. Dissertation, Kookmin University, Seoul, pp. 12~45. google schola Han, G., 2012, “Domestic and Overseas Natural Gas Vehicle Industry Status and Market Forecast,” KONETIC Special Issues, Vol. 81, pp. 9~10. google schola Kim, H. J. and Lee, H. K., 2015, “Experimental Study of Emission Characteristics for CNG Passenger Car,” KIGAS, Vol. 19, No. 6, pp. 34~39. google schola Lee, H. K., 2015, “Future Strategies of Natural Gas as Transportation Fuel,” KIGAS Conference, pp. 221~224. google schola

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