Optimum design method for zeolite heat storage reactors
Zeolite adsorption heat storage technology offers several advantages,such as high energy storage density,low operating temperatures,and minimal heat loss during long-term storage,making it a promising solution for thermal energy applications in buildings.The thermal output performance of the reactor,a critical component of adsorption heat storage systems,is significantly influenced by its structural dimensions and operating conditions.However,the influence of the reactor design variables(structural parameters and operating conditions)on thermal output performance remains unclear,limiting effective optimization.In this study,a numerical model of an adsorption heat storage reactor was developed,and the thermal output optimization objectives were proposed.Sensitivity analysis was performed to evaluate the effects of the key design variables on the optimization objectives.The findings revealed that inlet air temperature and humidity significantly influenced outlet temperature,with absolute humidity being the main factor affecting heat release per unit volume.The airflow rate primarily affects the response time of the thermal output.Based on these findings,this study further examines the relationships between the design variables and optimization objectives,establishing the priority of the reactor's design variables.Therefore,a comprehensive design approach and process for heat storage reactors was proposed.
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