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Experimental study of the effect of high temperature on vaporization spray characteristics under GCI engine conditions

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  • Ho Xuan Duy, Nguyen
  • Agameru, Putra I Komang Gede Tryas
  • Quang Khai, Tran
  • Lim, Ocktaeck

Abstract

This paper presents an experimental investigation into the vaporization spray process to examine spray characteristics in the CVCC system under simulated gasoline compression ignition (GCI) engine conditions. The study focuses on understanding the impact of high ambient temperatures on the spray behavior. Vaporization characteristics of a single-hole injector were analyzed across a range of injection pressures (50-80-110 MPa) and utilizing two fuel types, GB20 and GB40. High-speed Schlieren photography captured images of the spray, revealing distinct liquid and vapor phases. Notably, the distinction between liquid and vapor phases becomes more pronounced at elevated temperatures of 800 K and 1000 K, with a constant oxygen concentration of 0 %. Liquid penetration length decreases with rising temperatures across all injection pressure levels. Experimental observations demonstrate rapid expansion of the vaporization zone as temperature increases from 600 K to 1000 K. GB40 images show broader liquid distribution compared to GB20, suggesting more intricate fuel dispersion in the vapor phase. These findings provide crucial insights for theoretical and phenomenological investigations into air-fuel mixing conditions in GCI engine operation, laying a foundation for future research in this domain.

Suggested Citation

  • Ho Xuan Duy, Nguyen & Agameru, Putra I Komang Gede Tryas & Quang Khai, Tran & Lim, Ocktaeck, 2024. "Experimental study of the effect of high temperature on vaporization spray characteristics under GCI engine conditions," Energy, Elsevier, vol. 311(C).
    • Handle: RePEc:eee:energy:v:311:y:2024:i:c:s0360544224031335
    DOI: 10.1016/j.energy.2024.133357
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    References listed on IDEAS

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    1. Zhou, Lei & Hua, Jianxiong & Liu, Feng & Liu, Fengnian & Feng, Dengquan & Wei, Haiqiao, 2018. "Effect of internal exhaust gas recirculation on the combustion characteristics of gasoline compression ignition engine under low to idle conditions," Energy, Elsevier, vol. 164(C), pages 306-315.
    2. Jeon, Kyung-Won & Gong, Ji-Hyeon & Kim, Min-Ju & Shim, Jae-Oh & Jang, Won-Jun & Roh, Hyun-Seog, 2024. "Review on the production of renewable biofuel: Solvent-free deoxygenation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 195(C).
    3. Wei, Jianan & Liu, Haifeng & Zhu, Hongyan & Cai, Yuqing & Wang, Hu & Yao, Mingfa, 2023. "Energy analysis and optimization of iso-octane and n-heptane combustion process," Energy, Elsevier, vol. 262(PB).
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