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Effect of injection pulse width on hydrogen direct-injection oval rotary engine under different oxygen-enriched strategy

Author

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  • Deng, Yutao
  • Ji, Changwei
  • Yang, Jinxin
  • Zambalov, Sergey
  • Kasaev, Dmitry

Abstract

The oval rotary engine(ORE) retains the Wankel rotary engine's smooth rotation and high power density, and features variable compression ratio, fixed combustion chambers, and a simple seal structure. The numerical simulation is used to study the performance of hydrogen direct-injected spark-ignited ORE under an oxygen-enriched strategy, and to investigate the effect of injection pulse width(IPW) on it. The results show that with the impact of intake and rotor wall movement on the flow field, the two vorticity peaks occur in the intake stroke and before top dead center. Minimally oxygen-enrichment solves the problem of slow combustion in atmospheric conditions, but brings higher NOx emissions. As the oxygen concentration(OC) rises, much hydrogen is wrapped in oxygen, leading to a significant decrease in combustion efficiency(CE) and indicated thermal efficiency(ITE). Reduced IPW results in a wider distribution of hydrogen during combustion, promoting combustion and improving CE and ITE, but leading to more NOx emissions. The optimal condition is OC = 24 % with IPW = 12°CA, improving CE and ITE to 99 % and 34.6 %, 6.7 % higher and the same with initial atmospheric condition, but has more NOx emission of 0.3 mg per cylinder per cycle.

Suggested Citation

  • Deng, Yutao & Ji, Changwei & Yang, Jinxin & Zambalov, Sergey & Kasaev, Dmitry, 2025. "Effect of injection pulse width on hydrogen direct-injection oval rotary engine under different oxygen-enriched strategy," Energy, Elsevier, vol. 328(C).
    • Handle: RePEc:eee:energy:v:328:y:2025:i:c:s0360544225022297
    DOI: 10.1016/j.energy.2025.136587
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    as
    1. Shih, Hsiu-Ching & Chiang, Chia-Yun & Lai, Hsin-Chih & Hsiao, Min-Chuan & Chen, Li-Heng & Ma, Hwong-wen, 2023. "Assessing the nexus of electric vehicle and energy policies on health risks," Energy, Elsevier, vol. 282(C).
    2. Gong, Changming & Yi, Lin & Zhang, Zilei & Sun, Jingzhen & Liu, Fenghua, 2020. "Assessment of ultra-lean burn characteristics for a stratified-charge direct-injection spark-ignition methanol engine under different high compression ratios," Applied Energy, Elsevier, vol. 261(C).
    3. Yao, Dasuo & Qin, Jing & Pei, Yiqiang & Wang, Yingbo & Wang, Tongjin, 2024. "Comprehensive influence of rotary speed and intake closing timing on the combustion process of the elliptical rotary engine," Energy, Elsevier, vol. 313(C).
    4. Li, Jinwen & Che, Yunhong & Zhang, Kai & Liu, Hongao & Zhuang, Yi & Liu, Congzhi & Hu, Xiaosong, 2024. "Efficient battery fault monitoring in electric vehicles: Advancing from detection to quantification," Energy, Elsevier, vol. 313(C).
    5. Zou, Run & Li, Liangyu & Yang, Wei & Liu, Jinxiang & Li, Feng & Zhang, Lei, 2024. "Numerical study of effects on combustion characteristics and emissions of an X-type rotary engine by ignition location under wide open throttle conditions," Energy, Elsevier, vol. 312(C).
    6. Lei, Qiming & Feng, Huihua & Liu, Chang & Jia, Boru & Zhang, Zhiyuan & Zuo, Zhengxing, 2024. "Numerical investigation of the impact of dual spark plug coordinated ignition strategy on the combustion process in a free piston engine generator," Energy, Elsevier, vol. 290(C).
    7. Yanqiao Deng & Minda Ma & Nan Zhou & Zhili Ma & Ran Yan & Xin Ma, 2024. "China's plug-in hybrid electric vehicle transition: an operational carbon perspective," Papers 2405.07308, arXiv.org, revised Aug 2024.
    8. Wang, Shuofeng & Sun, Yu & Yang, Jinxin & Wang, Huaiyu, 2024. "Effect of excess air ratio and ignition timing on the combustion and emission characteristics of the ammonia-hydrogen Wankel rotary engine," Energy, Elsevier, vol. 302(C).
    9. Yang, Chen, 2022. "Running battery electric vehicles with extended range: Coupling cost and energy analysis," Applied Energy, Elsevier, vol. 306(PB).
    10. Chang, Ke & Ji, Changwei & Wang, Shuofeng & Yang, Jinxin & Wang, Huaiyu & Xin, Gu & Meng, Hao, 2022. "Numerical investigation of the combined effect of injection angle and injection pressure in a gasoline direct injection rotary engine," Energy, Elsevier, vol. 254(PB).
    11. Yang, Zhenghao & Du, Yang & Gao, Xu & Zhang, Zeqi & Geng, Qi & He, Guangyu, 2024. "Comparative analysis of combustion, thermodynamic and environmental performance of hydrogen-doping X-type rotary engines using single-ignitor and dual-ignitors under high-altitude condition," Energy, Elsevier, vol. 307(C).
    12. Bao, Jianhui & Lei, Jian & Tian, Guohong & Wang, Xiaomeng & Wang, Huaiyu & Shi, Cheng, 2024. "A review of the application development and key technologies of rotary engines under the background of carbon neutrality," Energy, Elsevier, vol. 311(C).
    13. Jingrui Li & Jietuo Wang & Teng Liu & Jingjin Dong & Bo Liu & Chaohui Wu & Ying Ye & Hu Wang & Haifeng Liu, 2019. "An Investigation of the Influence of Gas Injection Rate Shape on High-Pressure Direct-Injection Natural Gas Marine Engines," Energies, MDPI, vol. 12(13), pages 1-18, July.
    14. Zeng, Yonghao & Fan, Baowei & Pan, Jianfeng & He, Ren & Fang, Jia & Salami, Hammed Adeniyi & Wu, Xin, 2022. "Research on the ignition strategy of a methanol/gasoline blends rotary engine using turbulent jet ignition mode," Energy, Elsevier, vol. 261(PA).
    15. Ji, Changwei & Li, Hanlin & Yang, Jinxin & Meng, Hao, 2024. "Numerical investigation on the effect of ignition timing on a low-temperature hydrogen-fueled Wankel rotary engine with passive pre-chamber ignition," Energy, Elsevier, vol. 313(C).
    16. Liang, Zhendong & Xie, Fangxi & Li, Qian & Su, Yan & Wang, Zhongshu & Dou, Huili & Li, Xiaoping, 2024. "Co-optimization and prediction of high-efficiency combustion and zero-carbon emission at part load in the hydrogen direct injection engine based on VVT, split injection and ANN," Energy, Elsevier, vol. 308(C).
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    1. Deng, Yutao & Ji, Changwei & Yang, Jinxin & Zambalov, Sergey & Kasaev, Dmitry, 2026. "Effect of intake valve timing on the hydrogen oval rotary engine with different combustion chamber geometries," Energy, Elsevier, vol. 344(C).
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    3. Sitorus, Tulus Burhanuddin & Nur, Taufiq Bin, 2025. "An integrative review of dual-fuel strategies, Nano-additives, and emission control in compression ignition engines fueled by renewable energy sources," Applied Energy, Elsevier, vol. 400(C).

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