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Simulation of Two-Phase Flow and Syngas Generation in Biomass Gasifier Based on Two-Fluid Model

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  • Haochuang Wu

    (School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
    School of Primary Education, Chongqing Normal University, Chongqing 400070, China)

  • Chen Yang

    (School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
    Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Chongqing University, Chongqing 400044, China)

  • Zonglong Zhang

    (School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
    Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Chongqing University, Chongqing 400044, China)

  • Qiang Zhang

    (School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
    Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Chongqing University, Chongqing 400044, China)

Abstract

The efficient use of renewable energy is receiving more and more attention in the context of “carbon neutrality” and “carbon peaking”. For a long time, biomass has been used less efficiently as a renewable energy source, but with the development of fluidized biomass gasification technology, it can play an increasing role in industrial production. A fluidized bed biomass gasifier has a strong nonstationary process due to its complex energy–mass exchange, and analysis of its complex reaction process and products has relied on experiments for a long time. This paper uses a Euler–Euler two-fluid model to establish a three-dimensional CFD model of the fluidized bed biomass gasifier, on which factors affecting syngas generation are analyzed. The simulation shows that increasing the initial bed temperature can effectively improve syngas production, while increasing the air equivalent is not beneficial for syngas production.

Suggested Citation

  • Haochuang Wu & Chen Yang & Zonglong Zhang & Qiang Zhang, 2022. "Simulation of Two-Phase Flow and Syngas Generation in Biomass Gasifier Based on Two-Fluid Model," Energies, MDPI, vol. 15(13), pages 1-15, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:13:p:4800-:d:852610
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    References listed on IDEAS

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    Cited by:

    1. Zepeng Sun & Yazhuo Wang & Jing Gu & Haoran Yuan & Zejian Liu & Leilei Cheng & Xiang Li & Xian Li, 2023. "CFD Simulation and Experimental Study on a Thermal Energy Storage–Updraft Solid Waste Gasification Device," Energies, MDPI, vol. 16(12), pages 1-33, June.
    2. Maksim A. Pakhomov & Viktor I. Terekhov, 2022. "Modeling of Turbulent Heat-Transfer Augmentation in Gas-Droplet Non-Boiling Flow in Diverging and Converging Axisymmetric Ducts with Sudden Expansion," Energies, MDPI, vol. 15(16), pages 1-12, August.

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