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Numerical analysis of spray characteristics of dimethyl ether and diethyl ether fuel

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  • Mohan, Balaji
  • Yang, Wenming
  • Yu, Wenbin
  • Tay, Kun Lin

Abstract

In this work, the spray characteristics of ether fuels such as dimethyl ether (DME) and diethyl ether (DEE) have been numerically investigated using KIVA-4 CFD code. A new hybrid spray model developed by coupling the standard KHRT model to cavitation sub model was used. The detailed thermo-physical properties of ether fuels have been predicted and validated with experimental results available from literature. The cavitation inception inside the injector nozzle hole has been studied for ether fuels in comparison with diesel fuel. It was found that ether fuels cavitates higher compared to that of conventional diesel fuel because of its low viscosity. The spray tip penetration of diesel fuel was longer than that of ether fuels due to high viscosity and density of diesel fuel. Ether fuels characterized by low Ohnesorge number and high Reynolds number showed better atomization behavior compared to that of the diesel fuel.

Suggested Citation

  • Mohan, Balaji & Yang, Wenming & Yu, Wenbin & Tay, Kun Lin, 2017. "Numerical analysis of spray characteristics of dimethyl ether and diethyl ether fuel," Applied Energy, Elsevier, vol. 185(P2), pages 1403-1410.
    • Handle: RePEc:eee:appene:v:185:y:2017:i:p2:p:1403-1410
    DOI: 10.1016/j.apenergy.2016.01.128
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    2. Ludovic Lamoot & Brady Manescau & Khaled Chetehouna & Nicolas Gascoin, 2021. "Review on the Effect of the Phenomenon of Cavitation in Combustion Efficiency and the Role of Biofuels as a Solution against Cavitation," Energies, MDPI, vol. 14(21), pages 1-35, November.
    3. M.H.H. Ishak & Farzad Ismail & Sharzali Che Mat & M.Z. Abdullah & M.S. Abdul Aziz & M.Y. Idroas, 2019. "Numerical Analysis of Nozzle Flow and Spray Characteristics from Different Nozzles Using Diesel and Biofuel Blends," Energies, MDPI, vol. 12(2), pages 1-25, January.
    4. He, Wei & Luo, Zhen-bing & Deng, Xiong & Peng, Can & Liu, Qiang & Gao, Tian-xiang & Cheng, Pan & Zhou, Yan & Peng, Wen-qiang, 2023. "Numerical study on the atomization mechanism and energy characteristics of synthetic jet/dual synthetic jets," Applied Energy, Elsevier, vol. 346(C).
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    6. Bakhtyari, Ali & Bardool, Roghayeh & Rahimpour, Mohammad Reza & Iulianelli, Adolfo, 2021. "Dehydration of bio-alcohols in an enhanced membrane-assisted reactor: A rigorous sensitivity analysis and multi-objective optimization," Renewable Energy, Elsevier, vol. 177(C), pages 519-543.

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