Overview of Sensible Heat Energy Storage Technology for Particle Packed Bed
Sensible heat energy storage technology of particle packed bed has the advantages of simple system structure,low construction and operation costs,and wide operating temperature range.It has huge application potential in new energy consumption,industrial waste heat utilization,and clean heating.This article first introduces sensible heat energy storage technology of particle packed bed from two aspects:energy storage materials and energy storage containers,and summarizes the latest research progress in this field.It summarizes and analyzes the influence of various design parameters on the airflow resistance characteristics,heat storage characteristics,and thermal stratification characteristics of the packed bed.The techno-economic viability analysis of recyclable solid waste as a new type of energy storage material is conducted,aiming to provide reference for the optimization design of particle packed bed sensible heat storage systems.The research results indicate that the heat capacity of the bed is the most critical factor affecting the energy storage characteristics of the packed bed.Compared with existing energy storage materials,recycling and reusing solid waste into packed energy storage materials has significant relative advantages.
particle packed bedsensible heat energy storageheat storage characteristicsairflow resistancethermal stratification
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