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A comparative study on methanol/diesel and methanol/PODE dual fuel RCCI combustion in an automotive diesel engine

Author

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  • Duraisamy, Ganesh
  • Rangasamy, Murugan
  • Govindan, Nagarajan

Abstract

In the present work, an attempt was made to study and compare the effect of Methanol/Diesel and Methanol/PODE RCCI combustion in a 3-cylinder, turbocharged, CRDI, diesel engine. The test engine was suitably modified to use dual fuels by incorporating methanol port fuel injection system and an open electronic control unit. Experiments have been conducted at 3.4 bar BMEP and 1500 rpm by varying methanol premixed mass fraction at a constant CA50 of about 10°CA aTDC. The results show that increasing methanol mass fraction prolonged the ignition delay, decreased the in-cylinder pressure for both Methanol/Diesel and Methanol/PODE RCCI operation. At a premixed mass fraction of 80%, the maximum brake thermal efficiency of both Methanol/Diesel and Methanol/PODE is about 31% which is 3.5% higher than the conventional diesel combustion. Brake specific oxides of nitrogen and soot emissions are significantly reduced for both dual fuel RCCI combustion with increased methanol mass fraction. However, Brake specific hydrocarbon and carbon monoxide emissions are slightly increased. At a constant premixed mass fraction, Methanol/PODE dual fuel RCCI combustion resulted in more BSNO emission than Methanol/Diesel RCCI combustion. However, lower BSHC, BSCO and soot emissions are observed with Methanol/PODE dual fuel RCCI combustion compared to Methanol/Diesel RCCI combustion.

Suggested Citation

  • Duraisamy, Ganesh & Rangasamy, Murugan & Govindan, Nagarajan, 2020. "A comparative study on methanol/diesel and methanol/PODE dual fuel RCCI combustion in an automotive diesel engine," Renewable Energy, Elsevier, vol. 145(C), pages 542-556.
    • Handle: RePEc:eee:renene:v:145:y:2020:i:c:p:542-556
    DOI: 10.1016/j.renene.2019.06.044
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    Cited by:

    1. Siva Krishna Reddy Dwarshala & Siva Subramaniam Rajakumar & Obula Reddy Kummitha & Elumalai Perumal Venkatesan & Ibham Veza & Olusegun David Samuel, 2023. "A Review on Recent Developments of RCCI Engines Operated with Alternative Fuels," Energies, MDPI, vol. 16(7), pages 1-27, April.
    2. Kakati, Dipankar & Biswas, Srijit & Banerjee, Rahul, 2021. "Parametric sensitivity analysis of split injection coupled varying methanol induced reactivity strategies on the exergy efficiency enhancement and emission reductions objectives in a biodiesel fuelled," Energy, Elsevier, vol. 225(C).
    3. Li, Jing & Yu, Xiao & Xie, Jingcheng & Yang, Wenming, 2020. "Mitigation of high pressure rise rate by varying IVC timing and EGR rate in an RCCI engine with high premixed fuel ratio," Energy, Elsevier, vol. 192(C).
    4. Yin, Xiaojun & Yue, Guangzhao & Liu, Junlong & Duan, Hao & Duan, Qimeng & Kou, Hailiang & Wang, Ying & Yang, Bo & Zeng, Ke, 2023. "Investigation into the operating range of a dual-direct injection engine fueled with methanol and diesel," Energy, Elsevier, vol. 267(C).
    5. Chakrapani Nagappan Kowthaman & S. M. Ashrafur Rahman & I. M. R. Fattah, 2023. "Exploring the Potential of Lignocellulosic Biomass-Derived Polyoxymethylene Dimethyl Ether as a Sustainable Fuel for Internal Combustion Engines," Energies, MDPI, vol. 16(12), pages 1-18, June.
    6. Liu, Xinlei & Wang, Hu & Zheng, Zunqing & Yao, Mingfa, 2021. "Development of a reduced primary reference fuel-PODE3-methanol-ethanol-n-butanol mechanism for dual-fuel engine simulations," Energy, Elsevier, vol. 235(C).
    7. Zareei, Javad & Rohani, Abbas & Mazari, Farhad & Mikkhailova, Maria Vladimirovna, 2021. "Numerical investigation of the effect of two-step injection (direct and port injection) of hydrogen blending and natural gas on engine performance and exhaust gas emissions," Energy, Elsevier, vol. 231(C).
    8. Pan, Suozhu & Cai, Kai & Cai, Min & Du, Chenbo & Li, Xin & Han, Weiqiang & Wang, Xin & Liu, Daming & Wei, Jiangjun & Fang, Jia & Bao, Xiuchao, 2021. "Experimental study on the cyclic variations of ethanol/diesel reactivity controlled compression ignition (RCCI) combustion in a heavy-duty diesel engine," Energy, Elsevier, vol. 237(C).
    9. Oleg Bazaluk & Valerii Havrysh & Vitalii Nitsenko & Tomas Baležentis & Dalia Streimikiene & Elena A. Tarkhanova, 2020. "Assessment of Green Methanol Production Potential and Related Economic and Environmental Benefits: The Case of China," Energies, MDPI, vol. 13(12), pages 1-25, June.
    10. Chao Jin & Tianyun Sun & Teng Xu & Xueli Jiang & Min Wang & Zhao Zhang & Yangyi Wu & Xiaoteng Zhang & Haifeng Liu, 2022. "Influence of Glycerol on Methanol Fuel Characteristics and Engine Combustion Performance," Energies, MDPI, vol. 15(18), pages 1-14, September.
    11. Harari, P.A. & Banapurmath, N.R. & Yaliwal, V.S. & Khan, T.M. Yunus & Soudagar, Manzoore Elahi M. & Sajjan, A.M., 2020. "Experimental studies on performance and emission characteristics of reactivity controlled compression ignition (RCCI) engine operated with gasoline and Thevetia Peruviana biodiesel," Renewable Energy, Elsevier, vol. 160(C), pages 865-875.
    12. Wojciech Tutak & Arkadiusz Jamrozik & Karol Grab-Rogaliński, 2023. "Evaluation of Combustion Stability and Exhaust Emissions of a Stationary Compression Ignition Engine Powered by Diesel/n-Butanol and RME Biodiesel/n-Butanol Blends," Energies, MDPI, vol. 16(4), pages 1-29, February.
    13. Liu, Junheng & Ma, Haoran & Liang, Wenwen & Yang, Jun & Sun, Ping & Wang, Xidong & Wang, Yongxu & Wang, Pan, 2022. "Experimental investigation on combustion characteristics and influencing factors of PODE/methanol dual-fuel engine," Energy, Elsevier, vol. 260(C).

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