液态二氧化碳储能系统蓄冷堆积床循环性能的数值模拟

白云斗; 范世岩; 张千旭; 何青; 李红

doi:10.19805/j.cnki.jcspe.2026.240654

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液态二氧化碳储能系统蓄冷堆积床循环性能的数值模拟

新能源与储能 | 更新时间：2026-10-10

- 液态二氧化碳储能系统蓄冷堆积床循环性能的数值模拟
- Numerical Simulation on Cycle Performance of Cold Storage Packed Bed in Liquefied Carbon Dioxide Energy Storage System
- 动力工程学报 2026年46卷第1期页码：103-111
- 作者机构：
  
  华北电力大学能源动力与机械工程学院,北京,102206
- 作者简介：
  
  白云斗(2000—),男,陕西宝鸡人,硕士,研究方向为液态气体储能
  李红(通信作者),女,博士,副教授,E-mail:bjlh@ncepu.edu.cn
- 基金信息：
  
  国家重点研发计划资助项目(2020YFB0905902)
- DOI：10.19805/j.cnki.jcspe.2026.240654
  中图分类号：
- 网络首发：2026-01-15，
  
  纸质出版：2026-01-15
- 稿件说明：
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白云斗,范世岩,张千旭,何青,李红. 液态二氧化碳储能系统蓄冷堆积床循环性能的数值模拟动力工程学报, 2026, 46(1): 103-111 https://doi.

org/10.19805/j.cnki.jcspe.2026.240654
白云斗,范世岩,张千旭,何青,李红. 液态二氧化碳储能系统蓄冷堆积床循环性能的数值模拟动力工程学报, 2026, 46(1): 103-111 https://doi. DOI： 10.19805/j.cnki.jcspe.2026.240654.

org/10.19805/j.cnki.jcspe.2026.240654 DOI：

摘要

蓄冷堆积床的性能将直接影响液态二氧化碳储能系统效率。为研究蓄冷堆积床运行的动态特性

首先与实验对比进行了模型验证

随后使用有限元仿真的方法研究运行工况对局部热非平衡模型蓄冷堆积床的影响。结果表明:可以通过选择合适的蓄冷停止温度提高总效率;首次循环和常规循环中蓄/释冷利用率均随蓄冷停止温度的升高而降低

在2种循环工况下最高总效率分别达到74.17%和90.96%。但是

总效率与蓄/释冷利用率随蓄冷停止温度变化的改变趋势不一致

因此在选择高蓄冷停止温度提升总效率时应考虑蓄/释冷利用率下降的影响。

Abstract

The efficiency of the liquefied carbon dioxide energy storage system is directly affected by the performance of the cold storage packed bed. To investigate the dynamic characteristics of the cold storage packed bed during operation

a model validation was firstly conducted through comparison with experimental data. Subsequently

finite element simulations were utilized to examine the impact of operating conditions on the local thermal non-equilibrium model of the cold storage packed bed. Results indicate that total efficiency can be improved by selecting an appropriate cold storage termination temperature. In both of initial and routine cycles

the utilization rates for cold storage and cold release decrease as the cold storage termination temperature increases

with the maximum overall efficiencies reaching 74.17% and 90.96% in the two operational scenarios

respectively. However

the trends in total efficiencies and utilization rates of cold storage and cold release in relation to the cold storage termination temperature are inconsistent. Therefore

when choosing a higher cold storage termination temperature to enhance the overall efficiency

the corresponding influence of decline in utilization rates for cold storage and cold release should be taken into account.

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references

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