基于移动气流口的新型储热填充床动态特性分析

张艳; 王亮; 林曦鹏; 林霖; 葛志伟; 张双; 李文博; 王珩沅; 陈海生

doi:10.19799/j.cnki.2095-4239.2026.0301

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基于移动气流口的新型储热填充床动态特性分析

储能材料与器件 | 更新时间：2026-08-26

- 基于移动气流口的新型储热填充床动态特性分析
- Dynamic characteristics analysis of a novel thermal energy storage packed bed based on a moving airflow inlet and outlet
- 储能科学与技术 2026年15卷第8期页码：3042-3053
- 作者机构：
  
  1.中国科学院工程热物理研究所，北京 100190
  2.中国科学院大学，北京 100049
  3.长时规模储能重点实验室（中国科学院），北京 100190
  4.“压缩空气储能”北京市重点实验室，北京 100190
- 作者简介：
  
  张艳（2002—），女，硕士研究生，研究方向为填充床储热技术，E-mail：zhangyan@iet.cn；
  王亮，研究员，研究方向为大规模储热储冷的基础研究及关键技术研发，E-mail：wangliang@iet.cn
  陈海生，研究员，研究方向为新型大规模储能技术，E-mail：chen_hs@mail.etp.ac.cn。
- 基金信息：
  
  国家自然科学基金（The National Natural ScienceFoundation of China）(U25B6014);中国科学院与美国联邦科研机构合作项目(117GJHZ2023009MI)
- DOI：10.19799/j.cnki.2095-4239.2026.0301
  中图分类号： TK 121
- 收稿：2026-04-09，
  
  修回：2026-04-29，
  
  网络首发：2026-08-26，
  
  纸质出版：2026-08-28
- 稿件说明：
移动端阅览
张艳, 王亮, 林曦鹏, 等. 基于移动气流口的新型储热填充床动态特性分析[J]. 储能科学与技术, 2026, 15(8): 3042-3053.

ZHANG Yan, WANG Liang, LIN Xipeng, et al. Dynamic characteristics analysis of a novel thermal energy storage packed bed based on a moving airflow inlet and outlet[J]. Energy Storage Science and Technology, 2026, 15(8): 3042-3053.
张艳, 王亮, 林曦鹏, 等. 基于移动气流口的新型储热填充床动态特性分析[J]. 储能科学与技术, 2026, 15(8): 3042-3053. DOI： 10.19799/j.cnki.2095-4239.2026.0301.

ZHANG Yan, WANG Liang, LIN Xipeng, et al. Dynamic characteristics analysis of a novel thermal energy storage packed bed based on a moving airflow inlet and outlet[J]. Energy Storage Science and Technology, 2026, 15(8): 3042-3053. DOI： 10.19799/j.cnki.2095-4239.2026.0301.

摘要

为解决传统填充床储热系统出口温度非稳态波动问题，本研究提出一种基于移动气流口的新型储热填充床。该结构通过驱动气流进出口沿填充床纵向动态移动，实现了传热斜温层的准稳定推移，在高效率的同时使得储/释热过程中温度波动分别降低至38.61%和28.66%，提高了出口气流能量品质与系统运行稳定性。针对该新型进出口移动式结构，本研究建立了新型填充床的非稳态换热模型，开展了连续储释热工况的三维动态数值仿真，探究了气流口移动方式、运行条件、材料等因素对新型填充床储热动态特性的作用机制。结果显示，本研究的填充床在长宽比为4∶1时可平衡效率与稳定性；减小填充球粒径能提高效率，但不利于稳定性；对于本研究采用的长宽高比为4∶1∶15、总体积0.06 m

的填充床，在质量流量0.007 kg/s、储/释热时间6250 s的运行条件下可满足热效率95.76%的稳定循环运行；93%的进出口移动范围可改善温度“滞后”现象，提升填充床循环性能，使其以较低波动长期循环运行。本研究为大规模高温储热提供了新的技术路线与解决方案。

Abstract

To address outlet temperature fluctuations in conventional packed-bed thermal energy storage (TES) systems

this study proposes a novel packed bed with moving inlet and outlet. By dynamically moving the inlet and outlet along the longitudinal direction

the system achieves quasi-stable thermocline motion. As a result

temperature fluctuations during the charging and discharging processes are reduced to 38.61% and 28.66%

respectively

improving both outlet airflow quality and system stability. A transient heat transfer model was developed for the new packed bed

and three-dimensional dynamic numerical simulations were carried out under continuous charging and discharging conditions. The effects of inlet/outlet movement mode

operating conditions

and packing materials on dynamic thermal storage characteristics were systematically investigated. The results show that a packed bed with a 4∶1 aspect ratio offers a favorable balance between efficiency and stability. Although reducing particle size improves efficiency

it also reduces system stability. For a packed bed with relative dimensions of 4∶1∶15 (length∶width∶height) and a total volume of 0.06 m

stable cyclic operation with a 95.76% thermal efficiency was achieved at a 0.007 kg/s mass flow rate

and 6250 s charging/discharging times. In addition

the 93% inlet and outlet movement range alleviates the temperature lag effect

enhances cyclic performance

and enables long-term operation with low fluctuations. This study provides a new technical route and theoretical basis for applying moving inlet and outlet packed beds in large-scale high-temperature TES systems.

关键词

Keywords

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