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Thermodynamic modeling and performance analysis for micro adiabatic compressed air energy storage system
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Mengjie ZHANG1, Qiang LIU2, Tonghe ZHANG1, Yongxing SONG1, Linhua ZHANG1
Thermal Power Generation | 2024, 53(9) : 39 - 47
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Thermal Power Generation | 2024, 53(9): 39-47
• Compressed air energy storage technology •
Thermodynamic modeling and performance analysis for micro adiabatic compressed air energy storage system
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Mengjie ZHANG1, Qiang LIU2, Tonghe ZHANG1, Yongxing SONG1, Linhua ZHANG1
Affiliations
  • 1.School of Thermal Energy Engineering, Shandong Jianzhu University, Jinan 250000, China
  • 2.Jinan Special Equipment Inspection and Research Institute, Jinan 250101, China
Published: 2024-09-25 doi: 10.19666/j.rlfd.202404070
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The arrangement of micro adiabatic compressed air energy storage (A-CAES) system is flexible and suitable for typical distributed energy systems. By accurately modelling a typical device of the miniature A-CAES system based on pneumatic motors, a thermodynamic model that can reflect its system performance is constructed. The experimental bench of the A-CAES system is built, and the average error rate between the simulation model and the experiment is around 5.38%, which verifies the reliability of the model. The round-trip efficiency and comprehensive efficiency of the system are 4.81% and 27.23%, respectively, verifying the necessity of the existence of thermal energy storage devices in the A-CAES system. The effects of compression level and compression ratio on the system performance are analyzed by using this model. The results show that, as the compression level increases, the round-trip efficiency and comprehensive efficiency of the system both increase, and the optimal efficiency of the system can reach 6.10% and 35.81%, respectively. Taking the combination of compression ratios of 2, 3, and 5 as an example, reasonable distribution of compression ratios can improve the round-trip efficiency and overall efficiency of the system by 1.27% and 4.38%, respectively.

micro  /  adiabatic compressed air energy storage  /  thermodynamic modeling  /  efficiency
Mengjie ZHANG, Qiang LIU, Tonghe ZHANG, Yongxing SONG, Linhua ZHANG. Thermodynamic modeling and performance analysis for micro adiabatic compressed air energy storage system[J]. Thermal Power Generation, 2024 , 53 (9) : 39 -47 . DOI: 10.19666/j.rlfd.202404070
Funding
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  • Open Fund Project of State Key Laboratory of Compressor Technology (Anhui Provincial Laboratory of Compressor Technology)(SKL-YSJ202108)
  • Shandong Provincial Natural Science Foundation(ZR2021QE157)
Appendix
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Year 2024 volume 53 Issue 9
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106
47
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Article Info
doi: 10.19666/j.rlfd.202404070
  • Receive Date：2024-04-12
  • Online Date：2026-03-06
  • Published：2024-09-25
Article Data
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  • Received：2024-04-12
Funding
Open Fund Project of State Key Laboratory of Compressor Technology (Anhui Provincial Laboratory of Compressor Technology)(SKL-YSJ202108)
Shandong Provincial Natural Science Foundation(ZR2021QE157)
Affiliations
    1.School of Thermal Energy Engineering, Shandong Jianzhu University, Jinan 250000, China
    2.Jinan Special Equipment Inspection and Research Institute, Jinan 250101, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202404070
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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