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Thermal characteristics prediction of open adsorption thermal energy storage reactor employing reaction wave model

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  • Gao, Shichao
  • Wang, Shugang
  • Song, Wenji
  • Ma, Zhenjun
  • Wang, Jihong

Abstract

Adsorption thermal energy storage (ATES) is one of the most important ways to realize the efficient utilization of solar energy. The adsorption reaction wave model revealed the heat and mass transfer process in the ATES reactor. However, the existing adsorption reaction wave model can only be used to calculate the overall performance of the ATES reactor with a stable output temperature because the reaction wave mechanism is not yet clear. In this paper, the adsorption rate wave transfer equation was developed using the mechanical wave transfer equation as a reference, which could be used to predict the thermal characteristics of reactor, including the overall performance and physical parameter distribution within the reactor. The results indicated that the maximum prediction deviation of the ATES reactor overall performance was only 6.1 % compared with experimental measurement. The evolution of moisture concentration and temperature in the reactor was characterized, and the minimum coefficient of determination of the predicted physical parameter distributions within the reactor reached 0.967. This prediction method bridged the gap that existing reactor performance prediction methods limited to stable output temperatures, while also predicting detailed physical parameter distributions in the reactor.

Suggested Citation

  • Gao, Shichao & Wang, Shugang & Song, Wenji & Ma, Zhenjun & Wang, Jihong, 2026. "Thermal characteristics prediction of open adsorption thermal energy storage reactor employing reaction wave model," Renewable Energy, Elsevier, vol. 256(PC).
    • Handle: RePEc:eee:renene:v:256:y:2026:i:pc:s0960148125018154
    DOI: 10.1016/j.renene.2025.124151
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