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Heat transfer analysis of 5kWth circulating fluidized bed reactor for solar gasification using concentrated Xe light radiation

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  • Bellan, Selvan
  • Gokon, Nobuyuki
  • Matsubara, Koji
  • Cho, Hyun Seok
  • Kodama, Tatsuya

Abstract

A combined numerical and experimental investigation of hydrodynamics and heat transfer of internally circulating fluidized bed reactor for solar gasification of coal coke to produce syngas is reported. As the main objective of this study is to study the thermal performance of the reactor, chemically inert quartz particles have been used. A numerical model has been developed by the combined approach of computational fluid dynamics and discrete element method (CFD-DEM). The radiation transfer equation has been solved by the discrete ordinate (DO) model. The experimental data have been used for model validation. The thermal performance of the reactor and the spout-annulus flow have been predicted by the model and other hydrodynamic parameters such as internal solid volume fraction, velocity and temperature of the particles are analyzed as a function of superficial gas velocity (gas flow rate) at different initial conditions.

Suggested Citation

  • Bellan, Selvan & Gokon, Nobuyuki & Matsubara, Koji & Cho, Hyun Seok & Kodama, Tatsuya, 2018. "Heat transfer analysis of 5kWth circulating fluidized bed reactor for solar gasification using concentrated Xe light radiation," Energy, Elsevier, vol. 160(C), pages 245-256.
    • Handle: RePEc:eee:energy:v:160:y:2018:i:c:p:245-256
    DOI: 10.1016/j.energy.2018.06.212
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    References listed on IDEAS

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    1. Gokon, Nobuyuki & Izawa, Takuya & Kodama, Tatsuya, 2015. "Steam gasification of coal cokes by internally circulating fluidized-bed reactor by concentrated Xe-light radiation for solar syngas production," Energy, Elsevier, vol. 79(C), pages 264-272.
    2. Zedtwitz, P.v. & Steinfeld, A., 2003. "The solar thermal gasification of coal — energy conversion efficiency and CO2 mitigation potential," Energy, Elsevier, vol. 28(5), pages 441-456.
    3. Nzihou, Ange & Flamant, Gilles & Stanmore, Brian, 2012. "Synthetic fuels from biomass using concentrated solar energy – A review," Energy, Elsevier, vol. 42(1), pages 121-131.
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    Cited by:

    1. Zheng, Hangbin & Liu, Xianglei & Xuan, Yimin & Song, Chao & Liu, Dachuan & Zhu, Qibin & Zhu, Zhonghui & Gao, Ke & Li, Yongliang & Ding, Yulong, 2021. "Thermochemical heat storage performances of fluidized black CaCO3 pellets under direct concentrated solar irradiation," Renewable Energy, Elsevier, vol. 178(C), pages 1353-1369.
    2. Li, Xian & Wei, Liping & Lim, Chia Wei & Chen, Jialing & Chu, Peng & Lipiński, Wojciech & Yan, Ning & Dai, Yanjun & Wang, Chi-Hwa, 2022. "Experimental and numerical study on thermal performance of an indirectly irradiated solar reactor with a clapboard-type internally circulating fluidized bed," Applied Energy, Elsevier, vol. 305(C).
    3. Guene Lougou, Bachirou & Wu, Lianxuan & Ma, Danni & Geng, Boxi & Jiang, Boshu & Han, Donmei & Zhang, Hao & Łapka, Piotr & Shuai, Yong, 2023. "Efficient conversion of solar energy through a macroporous ceramic receiver coupling heat transfer and thermochemical reactions," Energy, Elsevier, vol. 271(C).

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