Effect of Liquid Spray Parameters on Performance of Isothermal Compressed Air Energy Storage System

WANG Ke; CUI Qian; HE Qing

doi:10.19805/j.cnki.jcspe.2025.240208

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Effect of Liquid Spray Parameters on Performance of Isothermal Compressed Air Energy Storage System

更新时间：2025-11-28

- Effect of Liquid Spray Parameters on Performance of Isothermal Compressed Air Energy Storage System
- Chinese Journal of Power Engineering Vol. 45, Issue 6, Pages: 858-866(2025)
- 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：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240208
  CLC：
- Published Online：16 June 2025，
  
  Published：2025
- 稿件说明：
移动端阅览
王珂,崔倩,何青. 液体喷雾参数对等温压缩空气储能系统性能的影响研究动力工程学报, 2025, 45(6): 858-866 https://doi.

org/10.19805/j.cnki.jcspe.2025.240208
王珂,崔倩,何青. 液体喷雾参数对等温压缩空气储能系统性能的影响研究动力工程学报, 2025, 45(6): 858-866 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240208.

org/10.19805/j.cnki.jcspe.2025.240208 DOI：

摘要

等温压缩空气储能技术不需要对热量进行存储

系统结构简单、理论效率高

但是要实现等温压缩和膨胀是非常困难的。通过液体喷雾技术可以有效降低空气温度的变化量

使压缩和膨胀过程更加接近等温过程。为此建立了基于液体喷雾的等温压缩空气储能系统的热力学模型

计算并分析了液体喷雾参数对系统热力学性能的影响规律。结果表明:通过液体喷雾技术可以显著地减小空气温度的变化量

压缩过程的温度变化量由49.58 K降低到9.85 K

膨胀过程的温度变化量由37 K降低到12.03 K;液体活塞内的能量损失由14.32%降低到4.43%;系统的循环效率由62.11%提高到76.60%

储能密度由1.857 MJ/m

提高到3.473 MJ/m

。本文的研究结果为等温压缩空气储能系统的结构和参数优化提供了参考。

Abstract

Isothermal compressed air energy storage (ICAES) technology does not require heat storage

and the system structure is simple and theoretically efficient

but it is very difficult to realize isothermal compression and expansion. The variation of air temperature can be effectively reduced by liquid spray technology

which makes the compression and expansion process closer to the isothermal process. Therefore

the thermodynamic model of an ICAES system based on liquid spray was developed

and the effect of liquid spray parameters on the thermodynamic properties of the system was calculated and analyzed. The results show that the variation of air temperature can be significantly reduced by the liquid spray technolo

with the temperature variation during compression reduced from 49.58 K to 9.85 K

and the temperature variation during expansion reduced from 37 K to 12.03 K. The energy loss in the liquid piston is reduced from 14.32% to 4.43%

the cycle efficiency of the system is increased from 62.11% to 76.60%

and the energy storage density is increased from 1.857 MJ/m

to 3.473 MJ/m

. The results of this paper can provide a reference for the optimization of the structure and parameters of the ICAES system.

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references

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