考虑空气压缩因子变化影响的地下储气库热力学过程分析

doi:10.12028/j.issn.2095-4239.2018.0041

储能科学与技术 ›› 2018, Vol. 7 ›› Issue (5): 902-907.doi: 10.12028/j.issn.2095-4239.2018.0041

考虑空气压缩因子变化影响的地下储气库热力学过程分析

蒋中明^1,2, 刘澧源¹, 胡炜¹, 梅松华³, 李鹏³

1 长沙理工大学水利工程学院, 湖南长沙 410114;
2 水沙科学与水灾害防治湖南省重点实验室, 湖南长沙 410114;
3 中国电建中南勘测设计研究院有限公司, 湖南长沙 410014

收稿日期:2018-03-22 修回日期:2018-06-25 出版日期:2018-09-01 发布日期:2018-06-26
通讯作者: 蒋中明(1969-),男,教授,主要从事能源地下存储与开发方面的科研工作,E-mail:zzmmjiang@163.com
作者简介:蒋中明(1969-),男,教授,主要从事能源地下存储与开发方面的科研工作,E-mail:zzmmjiang@163.com。
基金资助:
国家自然科学基金项目（51778070），中国电力建设集团科技计划项目（GW-KJ-2012-26）。

Thermodynamic analysis of compressed air storage in a underground rock cavern considering the influence of compression factor

JIANG Zhongming^1,2, LIU Liyuan¹, HU Wei¹, MEI Songhua³, LI Peng³

1 School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China;
2 Key Laboratory of Water-Sediment Sciences and Water Disaster prevention of Hunan Province, Changsha 410114, Hunan, China;
3 PowerChina Zhongnan Engineering Corporation Limited, Changsha 410014, Hunan, China

Received:2018-03-22 Revised:2018-06-25 Online:2018-09-01 Published:2018-06-26
Contact: 10.12028/j.issn.2095-4239.2018.0041

摘要/Abstract

摘要： 为了解空气压缩因子变化对压气储能电站地下储气库热力学过程的影响，研究了考虑压缩因子变化条件下的压缩空气热力学过程的计算方法，利用实测数据论证了4种压缩因子计算方法的合理性，结合工程算例，研究了循环充放气状态下地下储气库压缩空气温度及压力变化规律。研究表明，空气压缩因子变化对压缩空气温度和压力计算值有显著影响；循环充放气条件下空气压缩因子、温度和压力均随充放气次数的增加呈现出增大趋势，并逐渐趋于稳定；压缩空气温度计算值对压缩因子的敏感程度大于压缩空气压力计算值。将压缩空气假定为理想气体对储气库温度的估计将产生较大影响，因此，考虑压缩因子的影响是必要的。

关键词: 压气储能, 地下储气库, 热力学过程, 压缩因子

Abstract: Thermodynamic analyses are performed to investigate the influence of varying air compression factor on compressed air storage in a underground rock cavern. Experimental data are used to validate four compression factor calculation methods. The results indicate that the temperature and pressure of compressed air are significantly influenced by the variation of the compression factor. Under cyclic charging and discharging processes, the compression factor, the temperature and the pressure of compressed air increase with increasing charging and discharging times, and eventually show a stablised trend. The calculated compressed air temperature is more sensitive than that of compressed air pressure when the compression factor is considered. The ideal gas assumption can lead to a large errors.

Key words: compressed air energy storage, underground rock cavern, thermodynamic process, compression factor

中图分类号:

TU311.3

蒋中明, 刘澧源, 胡炜, 梅松华, 李鹏. 考虑空气压缩因子变化影响的地下储气库热力学过程分析[J]. 储能科学与技术, 2018, 7(5): 902-907.

JIANG Zhongming, LIU Liyuan, HU Wei, MEI Songhua, LI Peng. Thermodynamic analysis of compressed air storage in a underground rock cavern considering the influence of compression factor[J]. Energy Storage Science and Technology, 2018, 7(5): 902-907.

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考虑空气压缩因子变化影响的地下储气库热力学过程分析

Thermodynamic analysis of compressed air storage in a underground rock cavern considering the influence of compression factor

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