MULTI-FIELD COUPLING MODELING AND COOPERATIVE OPTIMIZATION OF SOLAR THERMAL CHEMICAL REACTOR

Wang Pei; Li Jiabao; Zhou Ling; Liu Deyou

doi:10.19912/j.0254-0096.tynxb.2022-0952

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (9) : 527-534. DOI: 10.19912/j.0254-0096.tynxb.2022-0952

MULTI-FIELD COUPLING MODELING AND COOPERATIVE OPTIMIZATION OF SOLAR THERMAL CHEMICAL REACTOR

Wang Pei^1,2, Li Jiabao^2,3, Zhou Ling³, Liu Deyou³

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Abstract

A multi-physical field model of the solar reactor was established for a two-step thermochemical cycle of methane-reducing cerium oxide and water splitting. Model accuracy was verified by comparison with the experimental results. The coupling mechanism between various fields and its effect on improving the efficiency of solar fuel conversion were studied, and a cooperative optimization method among photothermal-chemical processes in the solar reactor was proposed. Results show that the temperature fluctuates due to the interaction between methane oxidation heat release and cerium oxide reduction heat absorption. Parameter sensitivity analysis shows that the yield of the reaction product can be improved with the increase of the reactor scale. The maximum solar-to-chemical efficiency can reach 38.75% under the condition of the optimal power and composition flow rate. This paper can provide a theoretical reference for the study of solar reactor mechanisms and amplification.

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solar energy / thermochemistry / reactor / numerical modeling / multi-field coupling

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Wang Pei, Li Jiabao, Zhou Ling, Liu Deyou. MULTI-FIELD COUPLING MODELING AND COOPERATIVE OPTIMIZATION OF SOLAR THERMAL CHEMICAL REACTOR[J]. Acta Energiae Solaris Sinica. 2022, 43(9): 527-534 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0952

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