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Understanding the role of low reactivity fuel stratification in a dual fuel RCCI engine – A simulation study

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  • Mikulski, Maciej
  • Bekdemir, Cemil

Abstract

Natural gas - diesel, Reactivity Controlled Compression Ignition (RCCI) is currently one of the most promising combustion strategies for the next generation heavy-duty engines. A major issue to be addressed for this dual fuel concept to become practically applicable is its low combustion efficiency and associated high methane emissions in partial engine loads. Introducing gaseous fuel stratification (by direct injection) is considered to be beneficial for combustion efficiency increase. Yet, the improvement potential of such natural gas stratification in RCCI engines is unknown. Modeling studies are needed to investigate this methane reduction measure because they can provide more insight to the combustion process than measurements alone.

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  • Mikulski, Maciej & Bekdemir, Cemil, 2017. "Understanding the role of low reactivity fuel stratification in a dual fuel RCCI engine – A simulation study," Applied Energy, Elsevier, vol. 191(C), pages 689-708.
    • Handle: RePEc:eee:appene:v:191:y:2017:i:c:p:689-708
    DOI: 10.1016/j.apenergy.2017.01.080
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    References listed on IDEAS

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    2. Jin, Tai & Wu, Yunchao & Wang, Xujiang & Luo, Kai H. & Lu, Tianfeng & Luo, Kun & Fan, Jianren, 2019. "Ignition dynamics of DME/methane-air reactive mixing layer under reactivity controlled compression ignition conditions: Effects of cool flames," Applied Energy, Elsevier, vol. 249(C), pages 343-354.
    3. Li, Jing & Ling, Xiang & Liu, Deng & Yang, Wenming & Zhou, Dezhi, 2018. "Numerical study on double injection techniques in a gasoline and biodiesel fueled RCCI (reactivity controlled compression ignition) engine," Applied Energy, Elsevier, vol. 211(C), pages 382-392.
    4. Li, Zilong & Zhang, Yaoyuan & Huang, Guan & Zhao, Wenbin & He, Zhuoyao & Qian, Yong & Lu, Xingcai, 2020. "Control of intake boundary conditions for enabling clean combustion in variable engine conditions under intelligent charge compression ignition (ICCI) mode," Applied Energy, Elsevier, vol. 274(C).
    5. Liu, Junheng & Liu, Yuan & Ji, Qian & Sun, Ping & Zhang, Xuchao & Wang, Xidong & Ma, Hongjie, 2023. "Effects of split injection strategy on combustion stability and GHG emissions characteristics of natural gas/diesel RCCI engine under high load," Energy, Elsevier, vol. 266(C).
    6. Shim, Euijoon & Park, Hyunwook & Bae, Choongsik, 2018. "Intake air strategy for low HC and CO emissions in dual-fuel (CNG-diesel) premixed charge compression ignition engine," Applied Energy, Elsevier, vol. 225(C), pages 1068-1077.
    7. Pachiannan, Tamilselvan & Zhong, Wenjun & Rajkumar, Sundararajan & He, Zhixia & Leng, Xianying & Wang, Qian, 2019. "A literature review of fuel effects on performance and emission characteristics of low-temperature combustion strategies," Applied Energy, Elsevier, vol. 251(C), pages 1-1.
    8. Hunicz, Jacek & Mikulski, Maciej & Geca, Michal S. & Rybak, Arkadiusz, 2020. "An applicable approach to mitigate pressure rise rate in an HCCI engine with negative valve overlap," Applied Energy, Elsevier, vol. 257(C).
    9. Zheng, Zunqing & Xia, Mingtao & Liu, Haifeng & Wang, Xiaofeng & Yao, Mingfa, 2018. "Experimental study on combustion and emissions of dual fuel RCCI mode fueled with biodiesel/n-butanol, biodiesel/2,5-dimethylfuran and biodiesel/ethanol," Energy, Elsevier, vol. 148(C), pages 824-838.
    10. Han, Weiqiang & Li, Bolun & Pan, Suozhu & Lu, Yao & Li, Xin, 2018. "Combined effect of inlet pressure, total cycle energy, and start of injection on low load reactivity controlled compression ignition combustion and emission characteristics in a multi-cylinder heavy-d," Energy, Elsevier, vol. 165(PB), pages 846-858.
    11. Mikulski, Maciej & Balakrishnan, Praveen Ramanujam & Hunicz, Jacek, 2019. "Natural gas-diesel reactivity controlled compression ignition with negative valve overlap and in-cylinder fuel reforming," Applied Energy, Elsevier, vol. 254(C).

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