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Effects of injection strategy and coolant temperature on hydrocarbon and particulate emissions from a gasoline direct injection engine with high pressure injection up to 50 MPa

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  • Song, Jingeun
  • Lee, Ziyoung
  • Song, Jaecheon
  • Park, Sungwook

Abstract

The present study investigated the effect of coolant temperature, injection pressure, and injection timing on emissions in a gasoline direct injection (GDI) engine. Two coolant temperatures of 40 °C and 80 °C, and wide range of injection timings from before top dead center (BTDC) 360° to BTDC 210° were tested under injection pressures in the range of 5 MPa–50 MPa. Particle number (PN), soot, total hydrocarbon (THC), and nitrogen oxides (NOx) were measured under the various experimental conditions. In addition, the spray and flame images were used to observe the spray-wall interaction and to identify the existence of a fuel film.

Suggested Citation

  • Song, Jingeun & Lee, Ziyoung & Song, Jaecheon & Park, Sungwook, 2018. "Effects of injection strategy and coolant temperature on hydrocarbon and particulate emissions from a gasoline direct injection engine with high pressure injection up to 50 MPa," Energy, Elsevier, vol. 164(C), pages 512-522.
    • Handle: RePEc:eee:energy:v:164:y:2018:i:c:p:512-522
    DOI: 10.1016/j.energy.2018.09.011
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    References listed on IDEAS

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    Cited by:

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    2. Xiang Li & Xuewen Zhang & Tianya Zhang & Ce Ji & Peiyong Ni & Wanzhong Li & Yiqiang Pei & Zhijun Peng & Raouf Mobasheri, 2024. "Insights into Microscopic Characteristics of Gasoline and Ethanol Spray from a GDI Injector Under Injection Pressure up to 50 MPa," Sustainability, MDPI, vol. 16(21), pages 1-17, October.
    3. Lee, Ziyoung & Park, Sungwook, 2020. "Particulate and gaseous emissions from a direct-injection spark ignition engine fueled with bioethanol and gasoline blends at ultra-high injection pressure," Renewable Energy, Elsevier, vol. 149(C), pages 80-90.
    4. Pu, Tianhao & Wu, Shengqi & Xie, Mingyun & Pang, Yanshuai & Zhang, Chen, 2023. "Breakup characteristics of ultra-high-pressure GDI spray of a single-hole injector under various thermodynamic conditions," Energy, Elsevier, vol. 285(C).
    5. Liu, Chang & Zhang, Zhiyuan & Ren, Peirong & Wei, Yidi & Jia, Boru & Zuo, Zhengxing & Wang, Wei & Feng, Huihua, 2024. "Application of semi-direct fuel injection system to free piston engine generator for better performance: Simulation approach with validation results," Energy, Elsevier, vol. 298(C).
    6. Djati Wibowo Djamari & Muhammad Idris & Permana Andi Paristiawan & Muhammad Mujtaba Abbas & Olusegun David Samuel & Manzoore Elahi M. Soudagar & Safarudin Gazali Herawan & Davannendran Chandran & Abdu, 2022. "Diesel Spray: Development of Spray in Diesel Engine," Sustainability, MDPI, vol. 14(23), pages 1-22, November.
    7. Yuan, Chenheng & Liu, Yang & Han, Cuijie & He, Yituan, 2019. "An investigation of mixture formation characteristics of a free-piston gasoline engine with direct-injection," Energy, Elsevier, vol. 173(C), pages 626-636.
    8. Hossain, Abul K. & Sharma, Vikas & Ahmad, Gulzar & Awotwe, Tabbi, 2023. "Energy outputs and emissions of biodiesels as a function of coolant temperature and composition," Renewable Energy, Elsevier, vol. 215(C).
    9. Yu, Shenghao & Yin, Bifeng & Bi, Qinsheng & Chen, Chen & Jia, Hekun, 2021. "Experimental and numerical investigation on inner flow and spray characteristics of elliptical GDI injectors with large aspect ratio," Energy, Elsevier, vol. 224(C).

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